Document:

Exhibit 10.8

 

Shenzhen House Lease Contract

 

 

 

 

 

 

Prepared by Shenzhen Housing Rental Management
Office

 

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Housing Lease Registration Notice

 

1. The material to be submitted for the
registration of the housing lease:

(I) Real estate rights certificate or other
valid documents proving its property rights (right to use) (providing the original and keeping a copy)

(II) The identity certificate of the lessor
or lessee or legal qualification certificate, including:

1. Individual

Mainland residents: ID card or other valid
identification.

Hong Kong, Macao and Taiwan residents:
Mainland Travel Permit for Hong Kong and Macao Residents, Mainland travel permit for Taiwan residents

Foreigners: Passport (with residence permit
or entry visa).

The above documents must be provided with
the original and keep the photocopy.

2. Unit

Business license (social credit code),
military documents, and legal opening certificate of overseas enterprises (providing the original and keeping a copy). The legal
opening certificate of overseas enterprises shall be accompanied by a Chinese translation, which should be notarized or certified
by the embassy or consulate if it has not been certified by the relevant functional departments in China.

Original certificate of the legal representative.

(3) If the shared house is rented, all
the co-owners shall be required to agree to the proof of the lease.

(IV) Authorization

1. Individual's property right: a valid
identity document (checking the original and retaining a copy) and an original power of attorney shall be issued by a principal
and an entrusted agent. The principal shall specify the matters entrusted and the place of signature in the power of attorney.
If the original identity certificate of the principal cannot be obtained, a copy of the identity card signed by the principal shall
be presented. The power of attorney signed by the party involved abroad shall be notarized and certified as required.

2. Unit's property rights: The agent who
is not a representative or the person in charge shall also issue an original power of attorney of the legal representative or the
person in charge. The principal shall present the entrusted matters and the place of signature in the power of attorney. The power
of attorney signed by the party involved abroad shall be notarized and certified as required.

(V) House lease contract.

 

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House Lease Contract

 

Lessor (Party A): Shenzhen Science
& Industrial Park Group Co., Ltd. 

Type of ID: □Residential ID □Passport
√Uniform Social Credit Code □Other

ID number: 914403001921796142 

House Information Code Card:

Address: 12/F, Building 1, Financial
Base, No. 8 Kefa Road, Nanshan District, Shenzhen

Tel:                                                        

Entrusted agent: Siyi Wang

Type of ID: □Residential ID □Passport
□Uniform Social Credit Code □Other

ID number:                                                        

Address:                                                        

Tel:                                                        

 

Lessee (Party B): Shenzhen CDT Environmental
Technology Co., Ltd.

Type of ID: □Residential ID □Passport
□Uniform Social Credit Code □Other

ID number:                                                        

Address:                                                        

Tel:0735-86567299

Entrusted agent:                                                       

Tel: 13480765015

 

In accordance with the "Contract Law
of People's Republic of China", "Administrative Measures on Commercial Housing Lease" and "Decision of the
Standing Committee of the Shenzhen Municipal People's Congress on Strengthening the Safety Responsibility of House Leasing",
this contract is concluded by consensus between Party A and Party B.

Article 1Basic Information
of the Property

1.1 Party A shall lease the property (hereinafter
referred to as the leased house) of Unit 4B of Financial Service Technology Innovation Base No. 8 Kefa Road, Nanshan District,
Shenzhen to Party B for use.

The leased house has a total area of 348.00
square meters (Usable area:     /     square meters, common area:    /   square meters). Use of leased houses:
factory buildings. House Information Code: 4403050070080700042000005.

1.2 Ownership of the Property:

Property owner or legal user is Shenzhen
Science & Industrial Park Group Co., Ltd. Party A holds (√Real estate rights certificate or other valid documents
proving its property rights/□Property Sales Agreement/□Property Rental Agreement/□Other). Name and number
of real estate rights certificate or other valid documents proving its property rights (right to use): SFDZi No.4000602411.
This property (√is/□is not) under mortgage.

1.3 Interior decoration of the property    /     

1.4 Accessary infrastructure:

□ No accessory infrastructure installed,
is an empty property.

□ Accessory infrastructure installed,
details please refer to Appendix III.

 

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Article 2Leasing Terms

2.1 The term of Party B renting a leased
house shall be from September 1, 2020 to August 31, 2022, collectively 2 years    / months.
(The term stipulated in the preceding paragraph shall not exceed the approved land use period. The term of a single leasing agreement
shall not be less than 1 year.)

2.2 Rent free period:

√Party B is entitled to a rent-free
period (included in the lease term) of 1 month and the specific time is from September 1, 2020 to September 30,
2020. During this period, Party B does not need to pay the rent to Party A, but must bear all costs for water, electricity,
gas, and property management fees other than the rent. When the rent-free period expires, regardless of whether Party B uses the
leased house or not, it shall pay the rent in accordance with the contract.

□Party B does not enjoy the benefits
of a rent free period. The accounting of the rental fee, management fee and other fees starts at the delivery of the property from
Party A.

 

Article 3Rental Fee

3.1 The unit rent of the leased house is
calculated based on the rented area of the house, and the total monthly rent is RMB 36,192 (in words: RMB Thirty-six
thousand one hundred and ninety two).

3.2 Time of payment: monthly payment, Party
B shall pay the rental fee to Party A Before the 10th of each month. Party A shall issue a receipt of payment to Party B
when collecting the rent.

3.3 Payment method: Party B shall make
the payment of the agreed rental fee via □cash/ √wire/□other    /     to Party A

When making the payment via wire, Party
B shall wire the money to the designated bank account of Party A below:

Name of Beneficiary: Shenzhen Science
& Industrial Park Group Co., Ltd.

Bank: China Citic Bank Shenzhen Fuqiang
Branch

Account Number: 8110 3010 1320 0226
468

3.4 During the term of lease, Party A shall
not increase the rental fee without the other party’s consent.

3.5 The two parties agree that the rent
will be □increased/□decreased / % based on the previous year’s rent standard every year starting from
the first year of the lease, as follows:

(1) From / year / month /
day to / year / month / day, the rent standard is RMB/yuan/month (in words: / yuan).

(2) From / year / month /
day to / year / month / day, the rent standard is RMB / yuan /

Month (in words: / yuan).

(3) From / year / month /
day to / year / month / day, the rent standard is RMB / yuan / month (in words: /  yuan).

 

Article 4Deposit

4.1 Within 5 days upon signing this agreement,
Party B shall pay Party A a deposit in the amount of RMB 72384 , in words: RMB Seventy two thousand three hundred and
eighty four, equivalent to the rental fee for 2 months (no longer than 2 months). Party A shall issue a receipt of payment
to Party B when collecting the deposit.

 

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4.2 The deposit paid by Party B is not
the rent or other expenses prepaid by Party B. It is only a guarantee for Party B to fulfill the obligations stipulated in this
contract. Party A shall not detain Party B’s deposit without reason and refuse to return it. Within 5 days after the expiration
of the lease term or the termination of the contract, and when the following conditions are met at the same time, Party A shall,
after deducting the rent, expenses and liquidated damages that Party B shall bear, return the remaining part of the lease deposit
to Party B without interest (if there is a rent balance, it will be returned):

(1) Party B has not caused damage to the
leased house or repaired the damaged house;

(2) Party B shall return the leased house
(including ancillary facilities) to Party A in the manner agreed in this contract;

(3) If Party B uses the address of the
leased house for industrial and commercial registration, it has moved the industrial and commercial registration address and has
completed other procedures required by law and the government.

 

Article 5Other Fees

5.1 During the lease period, Party A shall
be responsible for paying the use fee of the land used for the leased house and the tax arising from the house lease.

5.2 Party B shall pay the water and electricity
fee, sanitation fee, house (building) property management fee for the leased house, / fees and other expenses incurred due
to the use of leased house.

5.3 Party B shall pay the fees in time
as required after receiving the notice of payment or the evidence of fees provided by Party A, otherwise the resulting late fees,
liquidated damages and related legal consequences shall be borne by Party B.

 

Article 6 Delivery and acceptance of
property

6. 1 Party A shall deliver the leased house
to Party B before October 1, 2020, and ensure that the house and its auxiliary facilities are safe and qualified (including
air quality).

6.2 Party B shall inspect the existing
equipment and facilities of the leased house when Party A delivers the leased house, and both parties shall sign the "Confirmation
of House Delivery" (see Annex III) to complete the delivery.

6. 3 Special confirmation by both parties:
If Party B has not signed the "Confirmation of House Delivery" but Party B has entered the site for decoration, it shall
be deemed that the delivery of the leased house has been completed.

 

The use of the leased
house herein shall be consistent with that in the real estate rights certificate, and the use may be arbitrarily changed without
the approval of the relevant department.

Article 7Decoration

7.1 √On the premise of not affecting
the structure of the house, Party A agrees to Party B to decorate the leased house; if it needs to be reported to the relevant
department for approval according to regulations, □Party A/√Party A shall also entrust Party B to report to the relevant
department for approval. After the expiration of the lease term or the termination of the contract, the decorations shall be □removed
by Party B and restored to their original condition/ □discounted and owned by Party A/ √owned by Party A for free/
□Others

 

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□Party A does not agree with Party
B to decorate the leased house.

7. 2 Decoration deposit: In accordance
with the decoration under Article 7.1 of this contract, Party B shall pay a decoration deposit of RMB / yuan (in words:
/ yuan) to Party A or the unit designated by Party A within /  working day before the start of construction. After
the decoration is completed and passed the inspection and acceptance by the fire department, Party A or the unit designated by
Party A shall return the decoration deposit to Party B without interest.

 

Article 8Housing use and
maintenance

8.1 During the lease period, Party B shall
use the leased house and its ancillary facilities in a normal and reasonable manner, use water and electricity safely, and shall
not change the lease purpose without Party A’s consent.

8.2 During the lease period, when Party
B discovers damage or malfunction of the leased house and its auxiliary facilities, it shall promptly notify Party A to repair
it. Party A shall perform repairs within 5 days after receiving Party B’s notice. If it is not possible to notify Party A
or if Party A receives a notice that it will not repair after the expiry date, or if it must be repaired immediately due to an
emergency, Party B has the right to perform repairs on its behalf, and Party A shall bear the cost. If the maintenance of the house
affects the use of Party B, the rent shall be reduced or the lease term shall be extended accordingly.

If Party B deliberately or improperly used
the leased house or ancillary facilities (including Party B’s decoration of the house and added facilities and equipment)
damaged or malfunctioned, Party B shall be responsible for repairs, and Party A shall not be responsible for repairs.

During the lease term, if Party A or Party
B fails to perform the maintenance, maintenance and other obligations stipulated in this contract in a timely manner, causing personal
damage or property loss to the other party or a third party, the responsible party shall be liable for compensation.

 

Article 9

9.1 Sublet

√Party B is not allowed to sublet.

□If the leased house is an industrial
house, and the land supply contract or industrial development supervision agreement related to the leased house permits subletting,
Party A agrees to Party B to sublet according to regulations or agreements, but Party B’s subletting period shall not exceed
the remaining amount agreed in this contract The lease term, and shall be responsible for binding the sub-lessee to perform the
lease obligations, and bear the responsibility for the sub-lessee’s breach of contract, and the sub-lessee shall not sublet
again.

□If the leased house is a house
other than the industrial house, Party A agrees that Party B will sublet the leased house wholly or partly to others, but Party
B’s subletting period shall not exceed the remaining lease period agreed in this contract, and shall be responsible for binding
the sub-tenant to perform Lease obligation, bear responsibility for the breach of contract by the sub-lessee, and the sub-lessee
shall not sublet again.

 

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9.2 Renewal

If the lease term of this contract expires
and Party B needs to continue renting the leased house, it shall submit a written lease renewal application to Party A 30 days
before the expiration of the lease term. If the two parties reach an agreement on the renewal of the lease, they shall re-enter
the lease contract or sign the lease term modification agreement. Under the same conditions, Party B has the priority to renew
the lease.

9.3 Priority

When Party A sells the leased house during
the lease period, it shall notify Party B in advance, and Party B has the first right of purchase under the same conditions of
price and payment method. If Party A sells the whole house including the leased house or the whole house connected with other houses,
Party B does not have the right of first refusal.

 

Article 10 Property Return

10. 1 Within one day from the expiration
of the lease term or the termination of this contract, Party B shall promptly vacate and move out of the leased house, and return
the house and auxiliary facilities to Party A. If Party B fails to empty or move out of the house within the agreed time, and cannot
contact Party B, the parties agree to deal with the following methods:

√Party A has the right to treat all
items left in the leased house as waste.

□Party B provides an emergency contact
person. If the emergency contact person of Party B has not emptied the house within days after receiving the notice, Party A has
the right to treat all items left in the leased house as waste.

□Party A entrusts a third-party
custody company to keep the leftovers on its behalf, and Party B shall bear the cost of custody.

□Party A disposes of the leftovers
by □auction/□sale, and keeps the proceeds on behalf of Party B.

□Other.

10.2 The items left after Party B returns
the house shall be deemed as Party B’s waiver of ownership, and Party A has the right to treat them as waste. Party A has
the right to request Party B to bear the expenses incurred by the disposal of waste left by Party B.

10. 3 When the house is returned, both
parties shall submit the inspection on the use of the house and ancillary items, facilities and equipment, water and electricity,
etc., and sign or seal the "Confirmation of Return of the House" (see Annex IV).

 

Article 11 Termination

11. 1 This contract can be terminated after
mutual agreement by both parties.

11.2 If Party B has one of the following
circumstances, Party A has the right to unilaterally terminate the contract and take back the leased house:

(1) Failure to pay or not pay rent or other
expenses as agreed for 30 days;

(2) On the premise that the leased house
meets the agreed delivery standards, Party B refuses to sign the "Confirmation of House Delivery" without justifiable
reasons;

(3) Unauthorized demolishing and changing
the main structure of the movable house;

(4) Change the purpose of the leased house
without authorization;

(5) Sublet the leased house to a third
party without authorization;

(6) Use rented houses to engage in illegal
activities.

11.3 If Party A has one of the following
circumstances, Party B has the right to unilaterally terminate the contract:

(1) Failure to deliver the leased house
within 7 days according to the agreed time;

 

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(2) Party A has no right to lease the house
or the house delivered does not comply with the contract, which seriously affects the use of Party B or endangers the safety or
health of Party B;

(3) Failure to undertake the agreed maintenance
obligations or non-payment of various expenses that should be borne by Party A caused Party B to be unable to normally use

Use rental housing.

11.4 In any of the following circumstances,
both parties have the right to terminate the contract:

(1)
The leased house has been expropriated, expropriated and demolished due to social public interest or urban construction needs.
[In this case, Party A shall provide reasonable compensation for the losses suffered by Party B due to the unfulfilled contract
(including decoration losses)] ;

(2) Due to force majeure such as earthquakes,
fires, etc., the leased house is damaged or lost or the house is identified as dangerous and cannot be used;

(3) At the time of signing the contract,
Party A has informed Party B that the mortgage has been set before the lease of the house and may be sanctioned during the lease
term, and is now sanctioned.

11. 5 In the case of the above-mentioned
circumstances, this contract shall be terminated when Party A or Party B serves the other party with the "Notice of Cancellation"
(see Appendix 5) in accordance with the 14th treaty of this contract.

 

Article 12 Liability for breach of contract

12. 1 Party A’s liability for breach
of contract

(1) Party A has the circumstances stipulated
in Article 11.3 of this contract. If Party B terminates the contract, Party A shall return the deposit and the balance of rent
collected in advance within 5 days after the termination of the contract, and pay Party B liquidated damages in accordance with
the contract monthly rent amount. If the liquidated damages paid are insufficient to cover the losses of Party B, Party A shall
also be responsible for compensation.

(2) If Party A delivers the house to Party
B overdue or there are circumstances stipulated in Article 11.3 Item 2 and Item 3 of this contract, and Party B does not terminate
the contract, Party A shall pay twice the daily rent amount during the breach of contract. Party B shall pay liquidated damages
(the maximum liquidated damages shall not exceed twice the monthly rent amount).

 

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(3) During the lease period, if Party A
unilaterally terminates the contract without the conditions stipulated in Article 11 of this contract, it shall notify Party B
in writing at least 30 days in advance, refund the deposit and the balance of the rent collected in advance, and pay twice the
contract monthly rent amount Pay liquidated damages to Party B. If the liquidated damages paid are insufficient to cover the losses
of Party B, Party A shall also be liable for expensive compensation.

12.2 Party B's liability for breach of
contract

(1) Party B has the circumstances stipulated
in Article 11.2 of this contract. If Party A terminates the contract, Party B shall pay Party A liquidated damages in accordance
with the standard of the contract monthly rent amount. If the liquidated damages paid are insufficient to cover the losses of Party
A, Party B shall also be responsible for compensation.

(2) If Party B pays rent, deposit or other
expenses overdue, and fails to meet the contract termination conditions or meets the contract termination conditions but Party
A does not terminate the contract, Party B shall pay Party A twice the daily rent amount for every day overdue Liquidated damages.

(3) During the lease period, if Party B
unilaterally terminates the contract without the conditions stipulated in Article 11 of this contract, it shall notify Party A
in writing at least 30 days in advance and pay Party A liquidated damages at twice the contract monthly rent. If the liquidated
damages paid are insufficient to cover the losses of Party A, Party B shall also be responsible for compensation.

(4) When the lease term expires or the
contract is terminated, Party B shall move out and return the house in time. For those who move out or refuse to return after the
deadline, for each day overdue, Party B shall pay Party A a penalty of twice the daily rent.

(5) If Party B renovates, decorates, or
installs facilities and equipment that affect the structure of the leased house without the consent of Party A, it shall restore
the leased house to its original condition and compensate Party A for the losses caused thereby. If the aforementioned actions
of Party B cause personal damage or property loss to Party A or a third party, Party B shall bear all legal liabilities and compensate
for the loss.

 

Article 13 Special Provisions

Party A and Party B responded to the Appendix
7 "Shenzhen Housing Leasing Safety Management Responsibility Letter" (hereinafter referred to as the "Responsibility
Letter") to fully and appropriately perform the safety management responsibilities and obligations stipulated in the "Your
Job Letter". If any party violates the provisions of the "Letter of Responsibility" and causes a safety liability
accident during the lease of the house under this contract or causes personal damage or property loss to others, the responsible
party shall bear all legal liabilities and economic losses.

 

Article 14 Notification and delivery

14.1 Both parties agree to send notifications
via group mail, email, WeChat, and SMS. Both parties confirm that their effective delivery address is as follows:

Party A's delivery address:

√Same as the address on top

□Other addresses □E-mail
□WeChat □Mobile

Party B's delivery address:

√Same as the address on top

□Other addresses □E-mail
□WeChat □Mobile

If there is any change to the above address,
the other party shall be notified in writing, otherwise the above address will still be regarded as a valid address. If a notice
or document from one party to the other party is sent by mail, the date of receipt of the recipient’s reply shall be the
date of service. If the document is returned by mail at the above address, the date of return shall be regarded as the date of
service; by email or WeChat or if it is sent by SMS, the sending date shall be deemed as the delivery date.

14.2 If it cannot be delivered through
the above methods, before Party B withdraws the lease, the notice sent by Party A to the location of the leased house under this
contract shall be deemed to be effectively delivered.

 

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Article 15

15. 1 Disputes arising during the performance
of this contract shall be resolved by both parties through negotiation; if the negotiation fails, the relevant administrative department,
industry association or other third party may be requested to mediate, or:

□Apply to Shenzhen International
Arbitration Court for arbitration.

√File a lawsuit with the people's
court where the leased house is located.

15.2 The clauses related to dispute resolution
of the contract exist independently, and the change, cancellation, termination, invalidity or cancellation of the contract will
not affect its validity.

 

Article 16 Modification

No party shall unilaterally modify the
content of this contract unless the two parties reach an agreement through consultation. Both parties can sign a supplementary
agreement for the change of this contract, which has the same legal effect as this contract.

 

Article 17 Contract signing, registration
and filing

17.1 This contract takes effect from the
date of signing by both parties, in one copy, Party A holds one copy, Party B holds one copy, and the housing leasing management
department holds one copy, with the same legal effect.

17.2 The annex to this contract is a valid
part of the contract and has the same legal effect as this contract.

17.3 Within 10 days after the signing
of this contract, both parties shall go to the housing leasing management department to go through the house leasing registration
and filing procedures in time.

 

Party A (seal and signature): /s/ Shenzhen
Science & Industrial Park Group Co., Ltd.

Legal representative:

Tel:

Bank account:

Entrusted agent (seal and signature)
             August 21, 2020

 

Party B (seal and signature): /s/ Shenzhen
CDT Environmental Technology Co., Ltd.

Legal representative:

Tel:

Bank account:

Entrusted agent (seal and signature): 
           August
21, 2020

 

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(Attached page)

 

 

 

 

 

 

 

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Special Note

 

1. Before signing the contract, both parties
should read the contract carefully. The contents of the contract terms may be added, deleted, selected, supplemented, filled, and
modified after negotiation. After the contract is signed, the unmodified content and the content filled by both parties (confirmed
by signatures or seals of both parties) shall be deemed as the agreed contents of this contract. The selection, supplementation,
filling, and modification of this contract shall give priority to the effectiveness of handwritten items.

2. Before signing the contract, the lessor
shall present the real estate rights certificate or other valid certificate proving the real estate right and proof of the identity
of the lessor or legal qualification to the lessee. If the house is entrusted by others, a power of attorney must be provided;
if the house is rented out by co-owners, proof of consent of all co-owners and letter of authorization must be provided; the lessee
shall present his/her identity certificate or legal qualification certificate to the lessor.

3. The signing and performance of the contract
by both parties shall be carried out in accordance with the law and shall not violate the provisions of relevant legal procedures
or engage in illegal acts.

4. Once this contract is signed, it shall
be legally binding on both parties. Both parties shall perform their obligations in accordance with the agreement of the parties,
and may not change or terminate the contract without authorization or agreement.

5. The contents of the contract filled
out by the parties themselves shall be written with a brush, pen and signature pen using carbon ink or blue-black ink, and confirmed
by signatures or seals.

6. There are blank spaces in the text of
the contract (underlined), which can be agreed by the parties; some provisions can be selected by the parties (marked by □).

7. After signing this contract, both parties
shall timely register or put on record with the competent department of house leasing authority.

8. The parties to the lease may, according
to the actual needs, decide the original number of the contract and carefully check them when signing the contract to ensure that
the contracts are consistent with each other. In any case, both parties shall hold at least one original contract.

9. If the content of this contract is significantly
changed or released, both parties shall go through relevant procedures with the original registration authority in time.

10. Both parties may negotiate how to dispose
of the retained items in the leased house after the lease expires or the contract is terminated, as stipulated in the attached
page.

11. Article 6 herein “Use of Leased
House” shall be filled out as follows: commercial, office, factory, warehouse, comprehensive, and others.

 

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Shenzhen House Leasing Safety Management

 

 

 

 

 

Responsibility Letter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Prepared and printed by the Shenzhen Floating
Population and Rental Housing General Management Office

 

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In order to implement the "Decision
of the Standing Committee of the Shenzhen Municipal People's Congress on Strengthening the Safety Responsibility of House Leasing",
further specify the safety responsibility for house leasing, strengthen the safety management of leased house, and safeguard the
safety of people's lives and property, this responsibility statement is formulated in accordance with relevant laws and regulations.

I. The lessor and lessee of the production
and operation houses (including various commodity markets and their stalls and counters), office buildings, residential property
and other houses in the administrative area of this Municipality are the safety responsible persons.

II. The lessor renting the house shall
have the certificate of house ownership or other documents as stipulated by the municipal government. If the house is rent by an
entrusted person, the owner shall sign a written entrustment agreement with the entrusted person to stipulate their respective
safety responsibilities. The house sub-tenant, other persons who have actual rental behaviors and the house lender should bear
the safety responsibility of the lessor.

III. The lessor shall ensure that the buildings
for leasing and their entrances, exits, fire-fighting, gas, electric power facilities, etc. shall comply with the relevant laws
and regulations and the safety standards stipulated by the relevant administrative departments. Where it is required by laws and
regulations to obtain relevant licenses or approval documents before leasing house, the lessor shall obtain such licenses.

IV. If the lessee uses the leased house
for production and operation activities, the lessor shall require the lessee to show the relevant certificate of the fire protection
formalities and the business license for industry and commerce or the business license before starting business.

V. The lessor shall check and make a written
record of the safe use and use nature of the leased house at least once a quarter, and the lessee shall cooperate and sign the
record. If the lessor is unable to check personally due to objective reasons, he/she shall entrust others to check.

VI. The lessor shall report to the Rental
Housing General Management Office or other relevant administrative department when the lessor checks and discovers potential safety
hazards in the leased house and the lessee's changing the use nature of the house without permission.

VII. The lessee shall use the house safely
and reasonably in accordance with the provisions of laws and regulations and the lease contract, and shall not change the structure
and use nature of the house without permission. In case of discovering the potential safety hazard in the leased house, the lessee
shall immediately notify the lessor and report it to the Rental Housing General Management Office or other relevant administrative
departments.

VIII. The lessee shall not change the function
of the leased house without permission, use the house to engage in business activities such as hotels, restaurants, entertainment,
Internet cafes and workshops which must comply with relevant regulations;

It is forbidden to use the leased houses
for criminal offenses such as gambling, drug trafficking, prostitution and whoring, making and selling pornography, forging document,
printing illegal publications, manufacturing counterfeit and shoddy goods, harboring criminals, harboring and selling stolen goods;

It is forbidden to use the house for pyramid
selling or pyramid selling in disguised forms, operating without a license, starting business without a license, illegal medical
practice, recycling of renewable resources and other illegal activities.

 

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It is forbidden to use the house for fraudulent
activities such as unlicensed outplacement, matchmaking service, training, real estate intermediary agent, etc.

It is forbidden to use the leased house
to produce, store and operate dangerous articles such as flammable, explosive, toxic and radioactive materials.

IX. The leasing parties shall assist and
cooperate with the Rental Housing General Management Office to conduct safety inspection and management of the leased houses, and
shall truthfully provide relevant materials and information.

X. If the lessor and the lessee fail to
perform the safety responsibility according to law, resulting in any damage to a person or his/her property, the affected party
may require the lessor or the lessee to bear the corresponding liability for compensation according to law.

 

	
        Lessor: (seal and signature) xxx

         
	
        Lessee: (seal and signature) xxxx

         

	Entrusted agent, manager: (seal and signature)	Tel:
	Tel:	 

 

October 1, 2018

 

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Supplementary Agreement for the House
Lease Contract (I)

 

Lessor (Party A): Shenzhen Science &
Industrial Park Group Co., Ltd.

Lessee (Party B): Shenzhen CDT Environmental
Technology Co., Ltd.

I. Lease fee: Party B shall pay the full
amount of the house rental fee for the month before the 10th of each month (including 10th day) and no any deduction shall be made.
Party B may choose to pay by cash, cheque or bank transfer. If the transfer method is chosen, Party B shall inform Party A of the
transfer bill. Party A shall issue an official invoice to Party B within 15 days after receiving the rental fee paid by Party B.

II. Settlement of back rent: If Party B
fails to pay the full amount of the house rental fee for the month within the limit time, Party A shall have the right to charge
Party B for overdue payment at the late payment multiplied by 3% of the total monthly rental fee. If it is overdue for a month,
it shall be dealt with in accordance with Article 6 of this Supplemental Agreement.

III. Property management fees, utilities
and other expenses: Party A has transferred the house to a professional property management company for management, and Party B
agrees to sign a property management agreement and pay relevant fees as required.

IV. Compensation for damages: Party B will
be fully responsible for any defect or damage to certain parts of the house due to the negligence of Party B, directly or indirectly
causing property damage or damage to Party A or others, and making compensation by payment or otherwise. Party B shall compensate
Party A for the losses incurred in relation to claims, requests or litigation or legal procedures adopted for settlement by any
person against Party A due to the above-mentioned damage incident.

V. Safety and environmental management:
Party B shall bear all responsibility for the production and fire safety in the leased house, and compensate for all losses. Party
B shall ensure that the pollution caused by the production, research and development, operation and other environmental pollution
is within the scope of the government's policy. Otherwise, Party A has the right to request Party B to rectify. If the rectification
fails to meet the standard, Party A shall have the right to unilaterally cancel the lease and lease deposit paid by Party B shall
not be returned, and Party B shall be responsible for the losses caused thereby. Party A's staff shall have the right to enter
the office and living places rented by Party B for security inspection, and Party B shall cooperate.

VI. Settlement of breaching contract: In
one of the following circumstances, Party B shall agree that Party A and the property company stop all service items (including
water cuts, power cuts, etc.), and the losses caused thereby shall be borne by Party B:

(1) Party B is in arrears with the rental
fee for one month, or Party B is in arrears with all the fees except the rental fees amounting to RMB three thousand;

(2) Without the written consent of Party
A, Party B changes the structure or use of the premises as agreed herein

(3) Party B uses the house to engage in
unlawful and illegal activities;

(4) Without the written consent of Party
A, Party B sublet or sublease the leased house to others;

(5) Party B decorates or rebuilds the leased
house without the written consent of Party A.

Party A shall have the right to request
Party B to rectify according to any of the above circumstances. If Party B fails to rectify within the prescribed time limit, or
owes the rental fee more than two months, Party A shall have the right to unilaterally terminate the lease and dispose of the items
in the leased house and recover the house in accordance with legal means, and deduct the deposit from lease as Party B's compensation
for breach of contract. Party A may terminate the contract by express mail or notify Party B in a newspaper. The date of publication
shall be deemed as service. If Party B has one of the above defaults, Party B shall no longer enjoy the priority of the lease when
the contract expires, and Party A shall have the right to refuse to sign the contract with Party B who has no objection, and the
losses caused thereby shall be borne by Party B.

 

    16

     

    

 

VII. Party B shall not interfere with the
normal business activities of Party A in the public spaces whose rights of operation and profit are owned by Party A, including
the basement, facade, roof, lobby, elevator hall, inside elevator, signboard and advertising space of the building of the leased
house and the ground outside.

VIII. Air-conditioning facilities and equipment:
The indoor and outdoor air-conditioners in the leased area shall be handed over to Party B by Party A without charge. During the
lease period, the air-conditioner indoor unit shall be maintained by Party B. When Party B withholds the lease, it shall ensure
that the transferred facilities and equipment are in good condition. Otherwise, Party A shall have the right to deduct the corresponding
amount of deposit from lease or claim damages from Party B.

IX: Execution and entry into force of the
contract: This supplementary agreement is an attachment to the "House Lease Contract (No.: ), which shall come into force
on the date of signing and have the same legal effect as the "House Lease Contract". In case of any conflict with the
relevant provisions of the House Lease Contract, this supplementary agreement shall prevail. Through consultation, both parties
agree to abide by the supplementary agreement.

 

	
        Party A: Shenzhen Science & Industrial
        Park Group Co., Ltd.

         
	Party B: Shenzhen CDT Environmental Technology Co., Ltd.
	
        Legal representative: xx

         
	Legal representative: xx
	Date: October 1, 2018	
        Date: October 1, 2018

         

 

    17

     

    

 

Supplementary Agreement for the House
Lease Contract (II)

 

Lessor (Party A): Shenzhen Science &
Industrial Park Group Co., Ltd.

Lessee (Party B): Shenzhen CDT Environmental
Technology Co., Ltd.

Party B rents the house of Party A, located
in Unit 4C of Financial Service Technology Innovation Base No. 8 Kefa Road, Nanshan District, Shenzhen, with a total area
of 319.56 Sq.m, and sign the "House Lease Contract" (Hereinafter referred to as "Lease Contract").After
negotiation, both parties reach the supplement agreement on "use of supporting facilities, service fee, and other related
matters of the house, for binding both parties.

1. During the lease contract, Party B shall
pay Party A the separate payment of the housing supporting facilities and service fee (hereinafter referred to as "support
fee") to Party A in addition to the rent of ¥60 per square meter every month (in words: RMB sixty ) to Party
A according to the Lease Contract. The total monthly rental fee is the sum of the rent of the house and the support fee. The two
are paid at the same time on a monthly basis, and Party A shall issue an invoice together.

2. The total monthly rental expenses during
the lease period are as follows:

From October 01, 2018 to September
30, 2020, the rent and support fees for the house are as follows:

 

	Lease period	Unit rental fee (RMB/m2 • month)	Total monthly rental fee (RMB)
	From October 1, 2018 to September 30, 2020	125	39945

 

3. Party B has checked and confirmed the
above-mentioned supporting facilities of the house, and does not hold any objection to Party A's collection of housing support
fees.

4. When Party B pays the first rent of
the house according to Article 3 of the Lease Contract, it shall pay Party A the first-phase support fee at the same time, in total
amounts of ¥39,945 (in words: RMB thirty nine thousand nine hundred and forty five).

5. When Party A collects the deposit from
lease of the house according to Article 9 of the Lease Contract, it also collects the support fee deposit from the Party B for
the support amount of two month, in the total amounts of ¥79,890 (in words: RMB seventy nine thousand eight hundred
and ninety), and Party A shall issue a receipt (the paid deposit is subject to the receipt issued by Party A).The “return
conditions” and “non-refundable conditions” of the support fee deposit are the same as that of the deposit from
release (see Article 9 of the Lease Contract for details).

6. In the "Shenzhen House Lease Contract"
signed by Party A and Party B and the "Supplementary Agreement" , the "house rental fee" and "support
fee" are all including VAT (hereinafter referred to as "tax-included price"), at a tax rate of 5%.During the lease
period, if the value-added tax rate of Party A changes due to national policy reasons, both parties agree to adjust the original
tax-included price (tax rate of 5%) at the new tax rate from the date of change of the tax rate. The calculation formula is: New
tax-included price = [original tax price / (1+5%)] * (1+new tax rate).

7. If Party B needs Party A to issue a
special VAT invoice, it shall provide accurate billing information as required, which are shown in the attached table. In case
of any loss due to the incorrect information mentioned above by Party B, the relevant responsibility shall be borne by Party B.
If Party B is changed from a small-scale taxpayer to a general taxpayer, Party B shall promptly provide Party A with the special
value-added tax invoice information. Party A shall issue a special VAT invoice for Party B from the next month after the receipt
of the billing information.

 

    18

     

    

 

8. Party b shall designate a special person
to sign the VAT invoice issued by Party A for Party B and certify it with the tax authority within the valid period stipulated
by the state as soon as possible. Party B shall bear the relevant responsibilities for failure to certify the invoice due to losing
invoice or expiration for Party B's reasons.

9. Lessee evaluation system

Both parties have agreed to improve the
contents of "Priority Lease Right" in article 12 of the House Lease Contract, and the priority lease right shall be implemented
according to the lessee evaluation system, that Party A shall evaluate the performance of contract by Party B every six months.
In case of any of the classification conditions, Party B shall voluntarily accept the settlement method according to the corresponding
evaluation application:

 

	Customer classification	Condition	Evaluation application
	A	Normal performance of the contract	Enjoy the priority rights under the same conditions when renewing rent
	B	Arrears of rental fee (or management fees)    There are potential safety hazards and Party B refuses to rectify	Not enjoy the priority rights under the same conditions when renewing rent
	C	
        Arrears of rent (or management fees) for
        more than one month

        The actual annual rent paid lower than
        the contract amount of the current year.

        Many potential safety hazards and Party
        B refusing to rectify

        Other violations of the terms of the contract
	
        No longer renew a contract after the contract
        expires

        Does not qualify for re-leasing other properties
        of Party A

	D	
        Many potential safety hazards

        Subletting the house without consent

        Constituting other serious defaults according
        to the terms of the contract
	
        Release the contract as agreed in the contract

        Call to account when necessary

        Does not qualify for re-leasing other properties
        of Party A

 

10. Waive the priority purchasing right

Party B hereby expressly waives the priority
purchasing right to the leased house during the lease term. Party A is not required to notify the Party B of selling the leased
house and Party B shall not raise any objection or claim to Party A in any case due to the issue of the priority purchasing right
of the leased house.

This supplementary agreement is an attachment
to the "House Lease Contract (No.: ), which shall come into force on the date of signing and have the same legal effect as
the "House Lease Contract". In case of any conflict with the relevant provisions of the House Lease Contract, this supplementary
agreement shall prevail.

 

    19

     

    

 

	Party A: Shenzhen Science & Industrial Park Group Co., Ltd.	Party B: Shenzhen CDT Environmental Technology Co., Ltd.
	Legal representative: xx	Legal representative: xx
	Date: October, 1, 2018	Date: October 1, 2018

 

    20

     

    

 

 

Shenzhen House Lease Contract

 

 

 

 

 

 

Prepared by Shenzhen Housing Rental Management
Office

 

    1

     

    

 

Housing Lease Registration Notice

 

1. The material to be submitted for the
registration of the housing lease:

(I) Real estate rights certificate or other
valid documents proving its property rights (right to use) (providing the original and keeping a copy)

(II) The identity certificate of the lessor
or lessee or legal qualification certificate, including:

1. Individual

Mainland residents: ID card or other valid
identification.

Hong Kong, Macao and Taiwan residents:
Mainland Travel Permit for Hong Kong and Macao Residents, Mainland travel permit for Taiwan residents

Foreigners: Passport (with residence permit
or entry visa).

The above documents must be provided with
the original and keep the photocopy.

2. Unit

Business license (social credit code),
military documents, and legal opening certificate of overseas enterprises (providing the original and keeping a copy). The legal
opening certificate of overseas enterprises shall be accompanied by a Chinese translation, which should be notarized or certified
by the embassy or consulate if it has not been certified by the relevant functional departments in China.

Original certificate of the legal representative.

(3) If the shared house is rented, all
the co-owners shall be required to agree to the proof of the lease.

(IV) Authorization

1. Individual's property right: a valid
identity document (checking the original and retaining a copy) and an original power of attorney shall be issued by a principal
and an entrusted agent. The principal shall specify the matters entrusted and the place of signature in the power of attorney.
If the original identity certificate of the principal cannot be obtained, a copy of the identity card signed by the principal shall
be presented. The power of attorney signed by the party involved abroad shall be notarized and certified as required.

2. Unit's property rights: The agent who
is not a representative or the person in charge shall also issue an original power of attorney of the legal representative or the
person in charge. The principal shall present the entrusted matters and the place of signature in the power of attorney. The power
of attorney signed by the party involved abroad shall be notarized and certified as required.

(V) House lease contract.

 

    2

     

    

 

House Lease Contract

 

Lessor (Party A): Shenzhen Science
& Industrial Park Group Co., Ltd. 

Type of ID: □Residential ID □Passport
√Uniform Social Credit Code □Other

ID number: 914403001921796142 

House Information Code Card:

Address: 12/F, Building 1, Financial
Base, No. 8 Kefa Road, Nanshan District, Shenzhen

Tel:                                                        

Entrusted agent: Siyi Wang

Type of ID: □Residential ID □Passport
□Uniform Social Credit Code □Other

ID number:                                                        

Address:                                                        

Tel:                                                        

 

Lessee (Party B): Shenzhen CDT Environmental
Technology Co., Ltd.

Type
of ID: □Residential
ID □Passport √Uniform
Social Credit Code □Other

ID number: 914403000527833426

Address: 4C,
Building 1, Financial Service Technology Innovation Base, No. 8 Kefa Road, Nanshan District, Shenzhen

Tel:0735-86567299

Entrusted agent:                                                       

Tel: 13480765015

 

In accordance with the "Contract Law
of People's Republic of China", "Administrative Measures on Commercial Housing Lease" and "Decision of the
Standing Committee of the Shenzhen Municipal People's Congress on Strengthening the Safety Responsibility of House Leasing",
this contract is concluded by consensus between Party A and Party B.

Article 1Basic Information
of the Property

1.1 Party A shall lease the property (hereinafter
referred to as the leased house) of Unit 4C of Financial Service Technology Innovation Base No. 8 Kefa Road, Nanshan District,
Shenzhen to Party B for use.

The leased house has a total area of 319.56 square meters
(Usable area:    /  square meters, common area:    /   square
meters). Use of leased houses: factory buildings. House Information Code: 4403050070080700042000005.

1.2 Ownership of the Property:

Property owner or legal user is Shenzhen
Science & Industrial Park Group Co., Ltd. Party A holds (√Real estate rights certificate or other valid documents
proving its property rights/□Property Sales Agreement/□Property Rental Agreement/□Other). Name and number
of real estate rights certificate or other valid documents proving its property rights (right to use): SFDZi No.4000602411.
This property (√is/□is not) under mortgage.

1.3 Interior decoration of the property    /     

1.4 Accessary infrastructure:

□ No accessory infrastructure installed,
is an empty property.

□ Accessory infrastructure installed,
details please refer to Appendix III.

 

    3

     

    

 

Article 2Leasing Terms

2.1 The term of Party B renting a leased
house shall be from October 1, 2020 to September 30, 2022, collectively 2 years / months. (The term
stipulated in the preceding paragraph shall not exceed the approved land use period. The term of a single leasing agreement shall
not be less than 1 year.)

2.2 Rent free period:

□Party
B is entitled to a rent-free period (included in the lease term) of / /year /month /day,
and the specific time is from /year /month /day to /year /month
/day. During this period, Party B does not need to pay the rent to Party A, but must bear all costs for water, electricity,
gas, and property management fees other than the rent. When the rent-free period expires, regardless of whether Party B uses the
leased house or not, it shall pay the rent in accordance with the contract.

√Party
B does not enjoy the benefits of a rent free period. The accounting of the rental fee, management fee and other fees starts at
the delivery of the property from Party A.

 

Article 3Rental Fee

3.1 The unit rent of the leased house is
calculated based on the rented area of the house, and the total monthly rent is RMB 38,027.64 (in words: RMB Thirty-eight
thousand and twenty-seven, and sixty-four cents).

3.2 Time of payment: monthly payment, Party
B shall pay the rental fee to Party A Before the 10th of each month. Party A shall issue a receipt of payment to Party B
when collecting the rent.

3.3
Payment method: Party B shall make the payment of the agreed rental fee via □cash/
√wire/□other
/ to Party A

When making the payment via wire, Party
B shall wire the money to the designated bank account of Party A below:

Name of Beneficiary: Shenzhen Science
& Industrial Park Group Co., Ltd.

Bank: China Citic Bank Shenzhen Fuqiang
Branch

Account Number: 8110 3010 1320 0226
468

3.4 During the term of lease, Party A shall
not increase the rental fee without the other party’s consent.

3.5
The two parties agree that the rent will be □increased/□decreased
/ % based on the previous year’s rent standard every year starting from the first year of the lease, as follows:

(1) From / year / month /
day to / year / month / day, the rent standard is RMB/yuan/month (in words: / yuan).

(2) From / year / month /
day to / year / month / day, the rent standard is RMB / yuan /

Month (in words: / yuan).

(3) From / year / month /
day to / year / month / day, the rent standard is RMB / yuan / month (in words: /  yuan).

 

Article 4Deposit

4.1 Within 5 days upon signing this agreement,
Party B shall pay Party A a deposit in the amount of RMB 76056 , in words: RMB Seventy six thousand and fifty six, equivalent
to the rental fee for 2 months (no longer than 2 months). Party A shall issue a receipt of payment to Party B when collecting
the deposit.

 

    4

     

    

 

4.2 The deposit paid by Party B is not
the rent or other expenses prepaid by Party B. It is only a guarantee for Party B to fulfill the obligations stipulated in this
contract. Party A shall not detain Party B’s deposit without reason and refuse to return it. Within 5 days after the expiration
of the lease term or the termination of the contract, and when the following conditions are met at the same time, Party A shall,
after deducting the rent, expenses and liquidated damages that Party B shall bear, return the remaining part of the lease deposit
to Party B without interest (if there is a rent balance, it will be returned):

(1) Party B has not caused damage to the
leased house or repaired the damaged house;

(2) Party B shall return the leased house
(including ancillary facilities) to Party A in the manner agreed in this contract;

(3) If Party B uses the address of the
leased house for industrial and commercial registration, it has moved the industrial and commercial registration address and has
completed other procedures required by law and the government.

 

Article 5Other Fees

5.1 During the lease period, Party A shall
be responsible for paying the use fee of the land used for the leased house and the tax arising from the house lease.

5.2 Party B shall pay the water and electricity
fee, sanitation fee, house (building) property management fee for the leased house, / fees and other expenses incurred due
to the use of leased house.

5.3 Party B shall pay the fees in time
as required after receiving the notice of payment or the evidence of fees provided by Party A, otherwise the resulting late fees,
liquidated damages and related legal consequences shall be borne by Party B.

 

Article 6 Delivery and acceptance of
property

6. 1 Party A shall deliver the leased house
to Party B before October 1, 2020, and ensure that the house and its auxiliary facilities are safe and qualified (including
air quality).

6.2 Party B shall inspect the existing
equipment and facilities of the leased house when Party A delivers the leased house, and both parties shall sign the "Confirmation
of House Delivery" (see Annex III) to complete the delivery.

6. 3 Special confirmation by both parties:
If Party B has not signed the "Confirmation of House Delivery" but Party B has entered the site for decoration, it shall
be deemed that the delivery of the leased house has been completed.

 

The use of the leased
house herein shall be consistent with that in the real estate rights certificate, and the use may be arbitrarily changed without
the approval of the relevant department.

Article 7Decoration

7.1 √On the premise of not affecting
the structure of the house, Party A agrees to Party B to decorate the leased house; if it needs to be reported to the relevant
department for approval according to regulations, □Party A/√Party A shall also entrust Party B to report to the relevant
department for approval. After the expiration of the lease term or the termination of the contract, the decorations shall be □removed
by Party B and restored to their original condition/ □discounted and owned by Party A/ √owned by Party A for free/
□Others

 

    5

     

    

 

□Party A does not agree with Party
B to decorate the leased house.

7. 2 Decoration deposit: In accordance
with the decoration under Article 7.1 of this contract, Party B shall pay a decoration deposit of RMB / yuan (in words:
/ yuan) to Party A or the unit designated by Party A within /  working day before the start of construction. After
the decoration is completed and passed the inspection and acceptance by the fire department, Party A or the unit designated by
Party A shall return the decoration deposit to Party B without interest.

 

Article 8Housing use and
maintenance

8.1 During the lease period, Party B shall
use the leased house and its ancillary facilities in a normal and reasonable manner, use water and electricity safely, and shall
not change the lease purpose without Party A’s consent.

8.2 During the lease period, when Party
B discovers damage or malfunction of the leased house and its auxiliary facilities, it shall promptly notify Party A to repair
it. Party A shall perform repairs within 5 days after receiving Party B’s notice. If it is not possible to notify Party A
or if Party A receives a notice that it will not repair after the expiry date, or if it must be repaired immediately due to an
emergency, Party B has the right to perform repairs on its behalf, and Party A shall bear the cost. If the maintenance of the house
affects the use of Party B, the rent shall be reduced or the lease term shall be extended accordingly.

If Party B deliberately or improperly used
the leased house or ancillary facilities (including Party B’s decoration of the house and added facilities and equipment)
damaged or malfunctioned, Party B shall be responsible for repairs, and Party A shall not be responsible for repairs.

During the lease term, if Party A or Party
B fails to perform the maintenance, maintenance and other obligations stipulated in this contract in a timely manner, causing personal
damage or property loss to the other party or a third party, the responsible party shall be liable for compensation.

 

Article 9

9.1 Sublet

√Party B is not allowed to sublet.

□If the leased house is an industrial
house, and the land supply contract or industrial development supervision agreement related to the leased house permits subletting,
Party A agrees to Party B to sublet according to regulations or agreements, but Party B’s subletting period shall not exceed
the remaining amount agreed in this contract The lease term, and shall be responsible for binding the sub-lessee to perform the
lease obligations, and bear the responsibility for the sub-lessee’s breach of contract, and the sub-lessee shall not sublet
again.

□If the leased house is a house
other than the industrial house, Party A agrees that Party B will sublet the leased house wholly or partly to others, but Party
B’s subletting period shall not exceed the remaining lease period agreed in this contract, and shall be responsible for binding
the sub-tenant to perform Lease obligation, bear responsibility for the breach of contract by the sub-lessee, and the sub-lessee
shall not sublet again.

 

    6

     

    

 

9.2 Renewal

If the lease term of this contract expires
and Party B needs to continue renting the leased house, it shall submit a written lease renewal application to Party A 30 days
before the expiration of the lease term. If the two parties reach an agreement on the renewal of the lease, they shall re-enter
the lease contract or sign the lease term modification agreement. Under the same conditions, Party B has the priority to renew
the lease.

9.3 Priority

When Party A sells the leased house during
the lease period, it shall notify Party B in advance, and Party B has the first right of purchase under the same conditions of
price and payment method. If Party A sells the whole house including the leased house or the whole house connected with other houses,
Party B does not have the right of first refusal.

 

Article 10 Property Return

10. 1 Within one day from the expiration
of the lease term or the termination of this contract, Party B shall promptly vacate and move out of the leased house, and return
the house and auxiliary facilities to Party A. If Party B fails to empty or move out of the house within the agreed time, and cannot
contact Party B, the parties agree to deal with the following methods:

√Party A has the right to treat all
items left in the leased house as waste.

□Party B provides an emergency contact
person. If the emergency contact person of Party B has not emptied the house within days after receiving the notice, Party A has
the right to treat all items left in the leased house as waste.

□Party A entrusts a third-party
custody company to keep the leftovers on its behalf, and Party B shall bear the cost of custody.

□Party A disposes of the leftovers
by □auction/□sale, and keeps the proceeds on behalf of Party B.

□Other.

10.2 The items left after Party B returns
the house shall be deemed as Party B’s waiver of ownership, and Party A has the right to treat them as waste. Party A has
the right to request Party B to bear the expenses incurred by the disposal of waste left by Party B.

10. 3 When the house is returned, both
parties shall submit the inspection on the use of the house and ancillary items, facilities and equipment, water and electricity,
etc., and sign or seal the "Confirmation of Return of the House" (see Annex IV).

 

Article 11 Termination

11. 1 This contract can be terminated after
mutual agreement by both parties.

11.2 If Party B has one of the following
circumstances, Party A has the right to unilaterally terminate the contract and take back the leased house:

(1) Failure to pay or not pay rent or other
expenses as agreed for 30 days;

(2) On the premise that the leased house
meets the agreed delivery standards, Party B refuses to sign the "Confirmation of House Delivery" without justifiable
reasons;

(3) Unauthorized demolishing and changing
the main structure of the movable house;

(4) Change the purpose of the leased house
without authorization;

(5) Sublet the leased house to a third
party without authorization;

(6) Use rented houses to engage in illegal
activities.

11.3 If Party A has one of the following
circumstances, Party B has the right to unilaterally terminate the contract:

(1) Failure to deliver the leased house
within 7 days according to the agreed time;

 

    7

     

    

 

(2) Party A has no right to lease the house
or the house delivered does not comply with the contract, which seriously affects the use of Party B or endangers the safety or
health of Party B;

(3) Failure to undertake the agreed maintenance
obligations or non-payment of various expenses that should be borne by Party A caused Party B to be unable to normally use

Use rental housing.

11.4 In any of the following circumstances,
both parties have the right to terminate the contract:

(1)
The leased house has been expropriated, expropriated and demolished due to social public interest or urban construction needs.
[In this case, Party A shall provide reasonable compensation for the losses suffered by Party B due to the unfulfilled contract
(including decoration losses)] ;

(2) Due to force majeure such as earthquakes,
fires, etc., the leased house is damaged or lost or the house is identified as dangerous and cannot be used;

(3) At the time of signing the contract,
Party A has informed Party B that the mortgage has been set before the lease of the house and may be sanctioned during the lease
term, and is now sanctioned.

11. 5 In the case of the above-mentioned
circumstances, this contract shall be terminated when Party A or Party B serves the other party with the "Notice of Cancellation"
(see Appendix 5) in accordance with the 14th treaty of this contract.

 

Article 12 Liability for breach of contract

12. 1 Party A’s liability for breach
of contract

(1) Party A has the circumstances stipulated
in Article 11.3 of this contract. If Party B terminates the contract, Party A shall return the deposit and the balance of rent
collected in advance within 5 days after the termination of the contract, and pay Party B liquidated damages in accordance with
the contract monthly rent amount. If the liquidated damages paid are insufficient to cover the losses of Party B, Party A shall
also be responsible for compensation.

(2) If Party A delivers the house to Party
B overdue or there are circumstances stipulated in Article 11.3 Item 2 and Item 3 of this contract, and Party B does not terminate
the contract, Party A shall pay twice the daily rent amount during the breach of contract. Party B shall pay liquidated damages
(the maximum liquidated damages shall not exceed twice the monthly rent amount).

 

    8

     

    

 

(3) During the lease period, if Party A
unilaterally terminates the contract without the conditions stipulated in Article 11 of this contract, it shall notify Party B
in writing at least 30 days in advance, refund the deposit and the balance of the rent collected in advance, and pay twice the
contract monthly rent amount Pay liquidated damages to Party B. If the liquidated damages paid are insufficient to cover the losses
of Party B, Party A shall also be liable for expensive compensation.

12.2 Party B's liability for breach of
contract

(1) Party B has the circumstances stipulated
in Article 11.2 of this contract. If Party A terminates the contract, Party B shall pay Party A liquidated damages in accordance
with the standard of the contract monthly rent amount. If the liquidated damages paid are insufficient to cover the losses of Party
A, Party B shall also be responsible for compensation.

(2) If Party B pays rent, deposit or other
expenses overdue, and fails to meet the contract termination conditions or meets the contract termination conditions but Party
A does not terminate the contract, Party B shall pay Party A twice the daily rent amount for every day overdue Liquidated damages.

(3) During the lease period, if Party B
unilaterally terminates the contract without the conditions stipulated in Article 11 of this contract, it shall notify Party A
in writing at least 30 days in advance and pay Party A liquidated damages at twice the contract monthly rent. If the liquidated
damages paid are insufficient to cover the losses of Party A, Party B shall also be responsible for compensation.

(4) When the lease term expires or the
contract is terminated, Party B shall move out and return the house in time. For those who move out or refuse to return after the
deadline, for each day overdue, Party B shall pay Party A a penalty of twice the daily rent.

(5) If Party B renovates, decorates, or
installs facilities and equipment that affect the structure of the leased house without the consent of Party A, it shall restore
the leased house to its original condition and compensate Party A for the losses caused thereby. If the aforementioned actions
of Party B cause personal damage or property loss to Party A or a third party, Party B shall bear all legal liabilities and compensate
for the loss.

 

Article 13 Special Provisions

Party A and Party B responded to the Appendix
7 "Shenzhen Housing Leasing Safety Management Responsibility Letter" (hereinafter referred to as the "Responsibility
Letter") to fully and appropriately perform the safety management responsibilities and obligations stipulated in the "Your
Job Letter". If any party violates the provisions of the "Letter of Responsibility" and causes a safety liability
accident during the lease of the house under this contract or causes personal damage or property loss to others, the responsible
party shall bear all legal liabilities and economic losses.

 

Article 14 Notification and delivery

14.1 Both parties agree to send notifications
via group mail, email, WeChat, and SMS. Both parties confirm that their effective delivery address is as follows:

Party A's delivery address:

√Same as the address on top

□Other addresses □E-mail
□WeChat □Mobile

Party B's delivery address:

√Same as the address on top

□Other addresses □E-mail
□WeChat □Mobile

If there is any change to the above address,
the other party shall be notified in writing, otherwise the above address will still be regarded as a valid address. If a notice
or document from one party to the other party is sent by mail, the date of receipt of the recipient’s reply shall be the
date of service. If the document is returned by mail at the above address, the date of return shall be regarded as the date of
service; by email or WeChat or if it is sent by SMS, the sending date shall be deemed as the delivery date.

14.2 If it cannot be delivered through
the above methods, before Party B withdraws the lease, the notice sent by Party A to the location of the leased house under this
contract shall be deemed to be effectively delivered.

 

    9

     

    

 

Article 15

15. 1 Disputes arising during the performance
of this contract shall be resolved by both parties through negotiation; if the negotiation fails, the relevant administrative department,
industry association or other third party may be requested to mediate, or:

□Apply to Shenzhen International
Arbitration Court for arbitration.

√File a lawsuit with the people's
court where the leased house is located.

15.2 The clauses related to dispute resolution
of the contract exist independently, and the change, cancellation, termination, invalidity or cancellation of the contract will
not affect its validity.

 

Article 16 Modification

No party shall unilaterally modify the
content of this contract unless the two parties reach an agreement through consultation. Both parties can sign a supplementary
agreement for the change of this contract, which has the same legal effect as this contract.

 

Article 17 Contract signing, registration
and filing

17.1 This contract takes effect from the
date of signing by both parties, in one copy, Party A holds one copy, Party B holds one copy, and the housing leasing management
department holds one copy, with the same legal effect.

17.2 The annex to this contract is a valid
part of the contract and has the same legal effect as this contract.

17.3 Within 10 days after the signing
of this contract, both parties shall go to the housing leasing management department to go through the house leasing registration
and filing procedures in time.

 

Party A (seal and signature): /s/ Shenzhen
Science & Industrial Park Group Co., Ltd.

Legal representative:

Tel:

Bank account:

Entrusted agent (seal and signature)
             August 21, 2020

 

Party B (seal and signature): /s/ Shenzhen
CDT Environmental Technology Co., Ltd.

Legal representative:

Tel:

Bank account:

Entrusted agent (seal and signature): 
           August
21, 2020

 

    10

     

    

 

(Attached page)

 

 

 

 

 

 

 

    11

     

    

 

Special Note

 

1. Before signing the contract, both parties
should read the contract carefully. The contents of the contract terms may be added, deleted, selected, supplemented, filled, and
modified after negotiation. After the contract is signed, the unmodified content and the content filled by both parties (confirmed
by signatures or seals of both parties) shall be deemed as the agreed contents of this contract. The selection, supplementation,
filling, and modification of this contract shall give priority to the effectiveness of handwritten items.

2. Before signing the contract, the lessor
shall present the real estate rights certificate or other valid certificate proving the real estate right and proof of the identity
of the lessor or legal qualification to the lessee. If the house is entrusted by others, a power of attorney must be provided;
if the house is rented out by co-owners, proof of consent of all co-owners and letter of authorization must be provided; the lessee
shall present his/her identity certificate or legal qualification certificate to the lessor.

3. The signing and performance of the contract
by both parties shall be carried out in accordance with the law and shall not violate the provisions of relevant legal procedures
or engage in illegal acts.

4. Once this contract is signed, it shall
be legally binding on both parties. Both parties shall perform their obligations in accordance with the agreement of the parties,
and may not change or terminate the contract without authorization or agreement.

5. The contents of the contract filled
out by the parties themselves shall be written with a brush, pen and signature pen using carbon ink or blue-black ink, and confirmed
by signatures or seals.

6. There are blank spaces in the text of
the contract (underlined), which can be agreed by the parties; some provisions can be selected by the parties (marked by □).

7. After signing this contract, both parties
shall timely register or put on record with the competent department of house leasing authority.

8. The parties to the lease may, according
to the actual needs, decide the original number of the contract and carefully check them when signing the contract to ensure that
the contracts are consistent with each other. In any case, both parties shall hold at least one original contract.

9. If the content of this contract is significantly
changed or released, both parties shall go through relevant procedures with the original registration authority in time.

10. Both parties may negotiate how to dispose
of the retained items in the leased house after the lease expires or the contract is terminated, as stipulated in the attached
page.

11. Article 6 herein “Use of Leased
House” shall be filled out as follows: commercial, office, factory, warehouse, comprehensive, and others.

 

    12

     

    

 

Shenzhen House Leasing Safety Management

 

 

 

 

 

Responsibility Letter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Prepared and printed by the Shenzhen Floating
Population and Rental Housing General Management Office

 

    13

     

    

 

In order to implement the "Decision
of the Standing Committee of the Shenzhen Municipal People's Congress on Strengthening the Safety Responsibility of House Leasing",
further specify the safety responsibility for house leasing, strengthen the safety management of leased house, and safeguard the
safety of people's lives and property, this responsibility statement is formulated in accordance with relevant laws and regulations.

I. The lessor and lessee of the production
and operation houses (including various commodity markets and their stalls and counters), office buildings, residential property
and other houses in the administrative area of this Municipality are the safety responsible persons.

II. The lessor renting the house shall
have the certificate of house ownership or other documents as stipulated by the municipal government. If the house is rent by an
entrusted person, the owner shall sign a written entrustment agreement with the entrusted person to stipulate their respective
safety responsibilities. The house sub-tenant, other persons who have actual rental behaviors and the house lender should bear
the safety responsibility of the lessor.

III. The lessor shall ensure that the buildings
for leasing and their entrances, exits, fire-fighting, gas, electric power facilities, etc. shall comply with the relevant laws
and regulations and the safety standards stipulated by the relevant administrative departments. Where it is required by laws and
regulations to obtain relevant licenses or approval documents before leasing house, the lessor shall obtain such licenses.

IV. If the lessee uses the leased house
for production and operation activities, the lessor shall require the lessee to show the relevant certificate of the fire protection
formalities and the business license for industry and commerce or the business license before starting business.

V. The lessor shall check and make a written
record of the safe use and use nature of the leased house at least once a quarter, and the lessee shall cooperate and sign the
record. If the lessor is unable to check personally due to objective reasons, he/she shall entrust others to check.

VI. The lessor shall report to the Rental
Housing General Management Office or other relevant administrative department when the lessor checks and discovers potential safety
hazards in the leased house and the lessee's changing the use nature of the house without permission.

VII. The lessee shall use the house safely
and reasonably in accordance with the provisions of laws and regulations and the lease contract, and shall not change the structure
and use nature of the house without permission. In case of discovering the potential safety hazard in the leased house, the lessee
shall immediately notify the lessor and report it to the Rental Housing General Management Office or other relevant administrative
departments.

VIII. The lessee shall not change the function
of the leased house without permission, use the house to engage in business activities such as hotels, restaurants, entertainment,
Internet cafes and workshops which must comply with relevant regulations;

It is forbidden to use the leased houses
for criminal offenses such as gambling, drug trafficking, prostitution and whoring, making and selling pornography, forging document,
printing illegal publications, manufacturing counterfeit and shoddy goods, harboring criminals, harboring and selling stolen goods;

It is forbidden to use the house for pyramid
selling or pyramid selling in disguised forms, operating without a license, starting business without a license, illegal medical
practice, recycling of renewable resources and other illegal activities.

 

    14

     

    

 

It is forbidden to use the house for fraudulent
activities such as unlicensed outplacement, matchmaking service, training, real estate intermediary agent, etc.

It is forbidden to use the leased house
to produce, store and operate dangerous articles such as flammable, explosive, toxic and radioactive materials.

IX. The leasing parties shall assist and
cooperate with the Rental Housing General Management Office to conduct safety inspection and management of the leased houses, and
shall truthfully provide relevant materials and information.

X. If the lessor and the lessee fail to
perform the safety responsibility according to law, resulting in any damage to a person or his/her property, the affected party
may require the lessor or the lessee to bear the corresponding liability for compensation according to law.

 

	
        Lessor: (seal and signature) xxx

         
	
        Lessee: (seal and signature) xxxx

         

	Entrusted agent, manager: (seal and signature)	Tel:
	Tel:	 

 

October 1, 2018

 

    15

     

    

 

Supplementary Agreement for the House
Lease Contract (I)

 

Lessor (Party A): Shenzhen Science &
Industrial Park Group Co., Ltd.

Lessee (Party B): Shenzhen CDT Environmental
Technology Co., Ltd.

I. Lease fee: Party B shall pay the full
amount of the house rental fee for the month before the 10th of each month (including 10th day) and no any deduction shall be made.
Party B may choose to pay by cash, cheque or bank transfer. If the transfer method is chosen, Party B shall inform Party A of the
transfer bill. Party A shall issue an official invoice to Party B within 15 days after receiving the rental fee paid by Party B.

II. Settlement of back rent: If Party B
fails to pay the full amount of the house rental fee for the month within the limit time, Party A shall have the right to charge
Party B for overdue payment at the late payment multiplied by 3% of the total monthly rental fee. If it is overdue for a month,
it shall be dealt with in accordance with Article 6 of this Supplemental Agreement.

III. Property management fees, utilities
and other expenses: Party A has transferred the house to a professional property management company for management, and Party B
agrees to sign a property management agreement and pay relevant fees as required.

IV. Compensation for damages: Party B will
be fully responsible for any defect or damage to certain parts of the house due to the negligence of Party B, directly or indirectly
causing property damage or damage to Party A or others, and making compensation by payment or otherwise. Party B shall compensate
Party A for the losses incurred in relation to claims, requests or litigation or legal procedures adopted for settlement by any
person against Party A due to the above-mentioned damage incident.

V. Safety and environmental management:
Party B shall bear all responsibility for the production and fire safety in the leased house, and compensate for all losses. Party
B shall ensure that the pollution caused by the production, research and development, operation and other environmental pollution
is within the scope of the government's policy. Otherwise, Party A has the right to request Party B to rectify. If the rectification
fails to meet the standard, Party A shall have the right to unilaterally cancel the lease and lease deposit paid by Party B shall
not be returned, and Party B shall be responsible for the losses caused thereby. Party A's staff shall have the right to enter
the office and living places rented by Party B for security inspection, and Party B shall cooperate.

VI. Settlement of breaching contract: In
one of the following circumstances, Party B shall agree that Party A and the property company stop all service items (including
water cuts, power cuts, etc.), and the losses caused thereby shall be borne by Party B:

(1) Party B is in arrears with the rental
fee for one month, or Party B is in arrears with all the fees except the rental fees amounting to RMB three thousand;

(2) Without the written consent of Party
A, Party B changes the structure or use of the premises as agreed herein

(3) Party B uses the house to engage in
unlawful and illegal activities;

(4) Without the written consent of Party
A, Party B sublet or sublease the leased house to others;

(5) Party B decorates or rebuilds the leased
house without the written consent of Party A.

Party A shall have the right to request
Party B to rectify according to any of the above circumstances. If Party B fails to rectify within the prescribed time limit, or
owes the rental fee more than two months, Party A shall have the right to unilaterally terminate the lease and dispose of the items
in the leased house and recover the house in accordance with legal means, and deduct the deposit from lease as Party B's compensation
for breach of contract. Party A may terminate the contract by express mail or notify Party B in a newspaper. The date of publication
shall be deemed as service. If Party B has one of the above defaults, Party B shall no longer enjoy the priority of the lease when
the contract expires, and Party A shall have the right to refuse to sign the contract with Party B who has no objection, and the
losses caused thereby shall be borne by Party B.

 

    16

     

    

 

VII. Party B shall not interfere with the
normal business activities of Party A in the public spaces whose rights of operation and profit are owned by Party A, including
the basement, facade, roof, lobby, elevator hall, inside elevator, signboard and advertising space of the building of the leased
house and the ground outside.

VIII. Air-conditioning facilities and equipment:
The indoor and outdoor air-conditioners in the leased area shall be handed over to Party B by Party A without charge. During the
lease period, the air-conditioner indoor unit shall be maintained by Party B. When Party B withholds the lease, it shall ensure
that the transferred facilities and equipment are in good condition. Otherwise, Party A shall have the right to deduct the corresponding
amount of deposit from lease or claim damages from Party B.

IX: Execution and entry into force of the
contract: This supplementary agreement is an attachment to the "House Lease Contract (No.: ), which shall come into force
on the date of signing and have the same legal effect as the "House Lease Contract". In case of any conflict with the
relevant provisions of the House Lease Contract, this supplementary agreement shall prevail. Through consultation, both parties
agree to abide by the supplementary agreement.

 

	
        Party A: Shenzhen Science & Industrial
        Park Group Co., Ltd.

         
	Party B: Shenzhen CDT Environmental Technology Co., Ltd.
	
        Legal representative: xx

         
	Legal representative: xx
	Date: October 1, 2018	
        Date: October 1, 2018

         

 

    17

     

    

 

Supplementary Agreement for the House
Lease Contract (II)

 

Lessor (Party A): Shenzhen Science &
Industrial Park Group Co., Ltd.

Lessee (Party B): Shenzhen CDT Environmental
Technology Co., Ltd.

Party B rents the house of Party A, located
in Unit 4C of Financial Service Technology Innovation Base No. 8 Kefa Road, Nanshan District, Shenzhen, with a total area
of 319.56 Sq.m, and sign the "House Lease Contract" (Hereinafter referred to as "Lease Contract").After
negotiation, both parties reach the supplement agreement on "use of supporting facilities, service fee, and other related
matters of the house, for binding both parties.

1. During the lease contract, Party B shall
pay Party A the separate payment of the housing supporting facilities and service fee (hereinafter referred to as "support
fee") to Party A in addition to the rent of ¥60 per square meter every month (in words: RMB sixty ) to Party
A according to the Lease Contract. The total monthly rental fee is the sum of the rent of the house and the support fee. The two
are paid at the same time on a monthly basis, and Party A shall issue an invoice together.

2. The total monthly rental expenses during
the lease period are as follows:

From October 01, 2018 to September
30, 2020, the rent and support fees for the house are as follows:

 

	Lease period	Unit rental fee (RMB/m2 • month)	Total monthly rental fee (RMB)
	From October 1, 2018 to September 30, 2020	125	39945

 

3. Party B has checked and confirmed the
above-mentioned supporting facilities of the house, and does not hold any objection to Party A's collection of housing support
fees.

4. When Party B pays the first rent of
the house according to Article 3 of the Lease Contract, it shall pay Party A the first-phase support fee at the same time, in total
amounts of ¥39,945 (in words: RMB thirty nine thousand nine hundred and forty five).

5. When Party A collects the deposit from
lease of the house according to Article 9 of the Lease Contract, it also collects the support fee deposit from the Party B for
the support amount of two month, in the total amounts of ¥79,890 (in words: RMB seventy nine thousand eight hundred
and ninety), and Party A shall issue a receipt (the paid deposit is subject to the receipt issued by Party A).The “return
conditions” and “non-refundable conditions” of the support fee deposit are the same as that of the deposit from
release (see Article 9 of the Lease Contract for details).

6. In the "Shenzhen House Lease Contract"
signed by Party A and Party B and the "Supplementary Agreement" , the "house rental fee" and "support
fee" are all including VAT (hereinafter referred to as "tax-included price"), at a tax rate of 5%.During the lease
period, if the value-added tax rate of Party A changes due to national policy reasons, both parties agree to adjust the original
tax-included price (tax rate of 5%) at the new tax rate from the date of change of the tax rate. The calculation formula is: New
tax-included price = [original tax price / (1+5%)] * (1+new tax rate).

7. If Party B needs Party A to issue a
special VAT invoice, it shall provide accurate billing information as required, which are shown in the attached table. In case
of any loss due to the incorrect information mentioned above by Party B, the relevant responsibility shall be borne by Party B.
If Party B is changed from a small-scale taxpayer to a general taxpayer, Party B shall promptly provide Party A with the special
value-added tax invoice information. Party A shall issue a special VAT invoice for Party B from the next month after the receipt
of the billing information.

 

    18

     

    

 

8. Party b shall designate a special person
to sign the VAT invoice issued by Party A for Party B and certify it with the tax authority within the valid period stipulated
by the state as soon as possible. Party B shall bear the relevant responsibilities for failure to certify the invoice due to losing
invoice or expiration for Party B's reasons.

9. Lessee evaluation system

Both parties have agreed to improve the
contents of "Priority Lease Right" in article 12 of the House Lease Contract, and the priority lease right shall be implemented
according to the lessee evaluation system, that Party A shall evaluate the performance of contract by Party B every six months.
In case of any of the classification conditions, Party B shall voluntarily accept the settlement method according to the corresponding
evaluation application:

 

	Customer classification	Condition	Evaluation application
	A	Normal performance of the contract	Enjoy the priority rights under the same conditions when renewing rent
	B	Arrears of rental fee (or management fees)    There are potential safety hazards and Party B refuses to rectify	Not enjoy the priority rights under the same conditions when renewing rent
	C	
        Arrears of rent (or management fees) for
        more than one month

        The actual annual rent paid lower than
        the contract amount of the current year.

        Many potential safety hazards and Party
        B refusing to rectify

        Other violations of the terms of the contract
	
        No longer renew a contract after the contract
        expires

        Does not qualify for re-leasing other properties
        of Party A

	D	
        Many potential safety hazards

        Subletting the house without consent

        Constituting other serious defaults according
        to the terms of the contract
	
        Release the contract as agreed in the contract

        Call to account when necessary

        Does not qualify for re-leasing other properties
        of Party A

 

10. Waive the priority purchasing right

Party B hereby expressly waives the priority
purchasing right to the leased house during the lease term. Party A is not required to notify the Party B of selling the leased
house and Party B shall not raise any objection or claim to Party A in any case due to the issue of the priority purchasing right
of the leased house.

This supplementary agreement is an attachment
to the "House Lease Contract (No.: ), which shall come into force on the date of signing and have the same legal effect as
the "House Lease Contract". In case of any conflict with the relevant provisions of the House Lease Contract, this supplementary
agreement shall prevail.

 

    19

     

    

 

	Party A: Shenzhen Science & Industrial Park Group Co., Ltd.	Party B: Shenzhen CDT Environmental Technology Co., Ltd.
	Legal representative: xx	Legal representative: xx
	Date: October, 1, 2018	Date: October 1, 2018

 

    20Exhibit 10.9

 

EMPLOYMENT AGREEMENT

 

THIS EMPLOYMENT
AGREEMENT (this “Agreement”), dated as of September 1, 2019, is by and between CDT Environmental Technology
Investment Holdings Limited, a company incorporated under the laws of the Cayman Islands (the “Company”),
and Yunwu Li, an individual (the “Executive”).

 

RECITALS

 

WHEREAS, the
Company desires to employ the Executive and to assure itself of the services of the Executive during the term of Employment (as
defined below) and under the terms and conditions of this Agreement; and

 

WHEREAS, the
Executive desires to be employed by the Company during the term of Employment and under the terms and conditions of this Agreement.

 

AGREEMENT

 

NOW, THEREFORE,
in consideration of the premises and the mutual covenants and agreements herein contained, the Company and the Executive agree
as follows:

 

1.       Employment.
The Company hereby agrees to employ the Executive and the Executive hereby accepts such employment, on the terms and conditions
hereinafter set forth (the “Employment”).

 

2.       Term.
Subject to the terms and conditions of this Agreement, the initial term of the Employment shall be 1 years, commencing on September
1, 2019 (the “Effective Date”) and ending on August 31, 2020 (the “Initial Term”), unless
terminated earlier pursuant to the terms of this Agreement. Upon expiration of the Initial Term, the Employment shall be automatically
extended for successive periods of 12 months each (each, an “Extension Period”) unless either party provides
60-day prior written notice to the other party, in the manner set forth in Section 18 below, prior to the end of the Extension
Period in question, that the term of this Agreement that is in effect at the time such written notice is given is not to be extended
or further extended, as the case may be (the period during which this Agreement is effective is hereafter referred to as the “Term”).

 

3.       Position
And Duties.

 

(a)       During
the Term, the Executive shall serve as CEO of the Company or in such other position or positions with a level of duties and responsibilities
consistent with the foregoing with the Company and/or its subsidiaries and affiliated entities as the board of directors of the
Company (the “Board”) may specify from time to time and shall have the duties, responsibilities and obligations
customarily assigned to individuals serving in the position or positions in which the Executive serves hereunder and as assigned
by the Board.

 

(b)       The
Executive agrees to serve without additional compensation if elected or appointed thereto as a director of the Company or any subsidiaries
or affiliated entities of the Company (collectively, the “Group”) and as a member of any committees of the board
of directors of any such entity, provided that the Executive is indemnified for serving in any and all such capacities on a basis
no less favorable than is provided to any other director of any member of the Group.

 

(c)       The
Executive agrees to devote all of his/her working time and efforts to the performance of his/her duties for the Company and to
faithfully and diligently serve the Company in accordance with this Agreement and the guidelines, policies and procedures of the
Company approved from time to time by the Board.

 

    1

     

    

 

4.       No
Breach of Contract. The Executive hereby represents to the Company that: (a) the execution and delivery of this Agreement
by the Executive and the performance by the Executive of the Executive’s duties hereunder shall not constitute a breach of,
or otherwise contravene, the terms of any other agreement or policy to which the Executive is a party or by which the Executive
is otherwise bound, except that the Executive does not make any representation with respect to agreements required to be entered
into by and between the Executive and any member of the Group pursuant to the applicable law of the jurisdiction in which the Executive
is based, if any; (b) that the Executive is not in possession of any information (including, without limitation, confidential information
and trade secrets), the knowledge of which would prevent the Executive from freely entering into this Agreement and carrying out
his/her duties hereunder; and (c) that the Executive is not bound by any confidentiality, trade secret or similar agreement with
any person or entity other than any member of the Group.

 

5.       Compensation.

 

(a)       Compensation.
As compensation for the performance by the Executive of his/her obligations hereunder, during the Term, the Company shall pay the
Executive cash compensation (inclusive of any statutory benefit contributions that the Company may be required to set aside for
the Executive under applicable law) pursuant to Schedule I hereto, subject to review and adjustment by the Board or any
committee designated by the Board.

 

6.       Termination
of the Agreement. The Employment may be terminated as follows:

 

(a)       Death.
The Employment shall terminate upon the Executive’s death.

 

(b)       Disability.
The Employment shall terminate if the Executive has a disability, including any physical or mental impairment which, as reasonably
determined by the Board, renders the Executive unable to perform the essential functions of his/her position at the Company, even
with reasonable accommodation that does not impose an undue burden on the Company, for more than 90 days in any 12-month period,
unless a longer period is required by applicable law, in which case that longer period shall apply.

 

(c)       Cause.
The Company may terminate the Employment hereunder for Cause. The occurrence of any of the following, as reasonably determined
by the Company, shall be a reason for “Cause,” provided that, if the Company determines that the circumstances
constituting Cause are curable, then such circumstances shall not constitute Cause unless and until the Executive has been informed
by the Company of the existence of Cause and given an opportunity of ten business days to cure, and such Cause remains uncured
at the end of such ten-day period:

 

(i)       continued
failure by the Executive to satisfactorily perform his/her duties;

 

(ii)       willful
misconduct or gross negligence by the Executive in the performance of his/her duties hereunder, including insubordination;

 

(iii)       the
Executive’s conviction or entry of a guilty or nolo contendere plea of any felony or any misdemeanor involving moral turpitude;

 

(iv)       the
Executive’s commission of any act involving dishonesty that results in financial, reputational or other harm, monetary or
otherwise, to any member of the Group, including but not limited to an act constituting misappropriation or embezzlement of the
property of any member of the Group as determined in good faith by the Board; or

 

(v)       any
material breach by the Executive of this Agreement.

 

    2

     

    

 

(d)       Without
Cause by the Company. The Company may terminate the Employment hereunder at any time without Cause upon 60-day prior written
notice to the Executive. The Executive may terminate the Employment voluntarily for any reason or no reason at any time by giving
60-day prior written notice to the Company.

 

(e)       Notice
of Termination. Any termination of the Employment under this Agreement shall be communicated by written notice of termination
(“Notice of Termination”) from the terminating party to the other party. The notice of termination shall indicate
the specific provision(s) of this Agreement relied upon in effecting the termination.

 

(f)       Date
of Termination. The “Date of Termination” shall mean (i) the date specified in the Notice of Termination, or (ii)
if the Employment is terminated by the Executive’s death, the date of his/her death.

 

(g)       Compensation
upon Termination.

 

(i)       Death.
If the Employment is terminated by reason of the Executive’s death, the Company shall have no further obligations to the
Executive under this Agreement.

 

(ii)       By
Company without Cause. If the Employment is terminated by the Company other than for Cause, the Company shall (1) continue
to pay and otherwise provide to the Executive, during any notice period, all compensation, base salary and previously earned but
unpaid incentive compensation, if any.

 

(iii)       By
Company for Cause.. If the Employment shall be terminated by the Company for Cause, the Company shall pay the Executive his/her
base salary at the rate in effect at the time Notice of Termination is given through the Date of Termination, and the Company shall
have no additional obligations to the Executive under this Agreement.

 

(h)       Return
of Company Property. The Executive agrees that following the termination of the Employment for any reason, or at any time prior
to the Executive’s termination upon the request of the Company, he/she shall return all property of the Group that is then
in or thereafter comes into his/her possession, including, but not limited to, any Confidential Information (as defined below)
or Intellectual Property (as defined below), or any other documents, contracts, agreements, plans, photographs, projections, books,
notes, records, electronically stored data and all copies, excerpts or summaries of the foregoing, as well as any automobile or
other materials or equipment supplied by the Group to the Executive, if any.

 

7.       Confidentiality
and Nondisclosure.

 

(a)       Confidentiality
and Non-Disclosure.

 

(i)       The
Executive acknowledges and agrees that: (A) the Executive holds a position of trust and confidence with the Company and that his/her
employment by the Company will require that the Executive have access to and knowledge of valuable and sensitive information, material,
and devices relating to the Company and/or its business, activities, products, services, customers and vendors, including, but
not limited to, the following, regardless of the form in which the same is accessed, maintained or stored: the identity of the
Company’s actual and prospective customers and, as applicable, their representatives; prior, current or future research or
development activities of the Company; the products and services provided or offered by the Company to customers or potential customers
and the manner in which such services are performed or to be performed; the product and/or service needs of actual or prospective
customers; pricing and cost information; information concerning the development, engineering, design, specifications, acquisition
or disposition of products and/or services of the Company; user base personal data, programs, software and source codes, licensing
information, personnel information, advertising client information, vendor information, marketing plans and techniques, forecasts,
and other trade secrets (“Confidential Information”); and (B) the direct and indirect disclosure of any such
Confidential Information would place the Company at a competitive disadvantage and would do damage, monetary or otherwise, to the
Company’s business.

 

    3

     

    

 

(ii)       During
the Term and at all times thereafter, the Executive shall not, directly or indirectly, whether individually, as a director, stockholder,
owner, partner, employee, consultant, principal or agent of any business, or in any other capacity, publish or make known, disclose,
furnish, reproduce, make available, or utilize any of the Confidential Information without the prior express written approval of
the Company, other than in the proper performance of the duties contemplated herein, unless and until such Confidential Information
is or shall become general public knowledge through no fault of the Executive.

 

(iii)       In
the event that the Executive is required by law to disclose any Confidential Information, the Executive agrees to give the Company
prompt advance written notice thereof and to provide the Company with reasonable assistance in obtaining an order to protect the
Confidential Information from public disclosure.

 

(iv)       The
failure to mark any Confidential Information as confidential shall not affect its status as Confidential Information under this
Agreement.

 

(b)       Third
Party Information in the Executive’s Possession. The Executive agrees that he/she shall not, during the Term, (i) improperly
use or disclose any proprietary information or trade secrets of any former employer or other person or entity with which the Executive
has an agreement or duty to keep in confidence information acquired by Executive, if any, or (ii) bring into the premises of Company
any document or confidential or proprietary information belonging to such former employer, person or entity unless consented to
in writing by such former employer, person or entity. The Executive will indemnify the Company and hold it harmless from and against
all claims, liabilities, damages and expenses, including reasonable attorneys’ fees and costs of litigation, arising out
of or in connection with any violation of the foregoing.

 

(c)       Third
Party Information in the Company’s Possession. The Executive recognizes that the Company may have received, and in the
future may receive, from third parties their confidential or proprietary information subject to a duty on the Company’s part
to maintain the confidentiality of such information and to use it only for certain limited purposes. The Executive agrees that
the Executive owes the Company and such third parties, during the Term and thereafter, a duty to hold all such confidential or
proprietary information in strict confidence and not to disclose such information to any person or firm, or otherwise use such
information, in a manner inconsistent with the limited purposes permitted by the Company’s agreement with such third party.

 

This Section 7 shall survive
the termination of this Agreement for any reason. In the event the Executive breaches this Section 7, the Company shall
have right to seek remedies permissible under applicable law.

 

8.       Intellectual
Property.

 

(a)       Prior
Inventions. The Executive has attached hereto, as Schedule II, a list describing all inventions, ideas, improvements,
designs and discoveries, whether or not patentable and whether or not reduced to practice, original works of authorship and trade
secrets made or conceived by or belonging to the Executive (whether made solely by the Executive or jointly with others) that (i)
were developed by Executive prior to the Employment by the Company (collectively, “Prior Inventions”), (ii)
relate to the Company’ actual or proposed business, products or research and development, and (iii) are not assigned to the
Company hereunder; or, if no such list is attached, the Executive represents that there are no such Prior Inventions. Except to
the extent set forth in Schedule II, the Executive hereby acknowledges that, if in the course of his/her service for the
Company, the Executive incorporates into a Company product, process or machine a Prior Invention owned by the Executive or in which
he/she has an interest, the Company is hereby granted and shall have a nonexclusive, royalty-free, irrevocable, perpetual, worldwide
right and license (which may be freely transferred by the Company to any other person or entity) to make, have made, modify, use,
sell, sublicense and otherwise distribute such Prior Invention as part of or in connection with such product, process or machine.

 

    4

     

    

 

(b)       Assignment
of Intellectual Property. The Executive hereby assigns to the Company or its designees, without further consideration and free
and clear of any lien or encumbrance, the Executive’s entire right, title and interest (within the United States and all
foreign jurisdictions) to any and all inventions, discoveries, improvements, developments, works of authorship, concepts, ideas,
plans, specifications, software, formulas, databases, designees, processes and contributions to Confidential Information created,
conceived, developed or reduced to practice by the Executive (alone or with others) during the Term which (i) are related to the
Company’s current or anticipated business, activities, products, or services, (ii) result from any work performed by Executive
for the Company, or (iii) are created, conceived, developed or reduced to practice with the use of Company property, including
any and all Intellectual Property Rights (as defined below) therein (“Work Product”). Any Work Product which
falls within the definition of “work made for hire”, as such term is defined in the U.S. Copyright Act, shall be considered
a “work made for hire”, the copyright in which vests initially and exclusively in the Company. The Executive waives
any rights to be attributed as the author of any Work Product and any “droit morale” (moral rights) in Work Product.
The Executive agrees to immediately disclose to the Company all Work Product. For purposes of this Agreement, “Intellectual
Property” shall mean any patent, copyright, trademark or service mark, trade secret, or any other proprietary rights protection
legally available.

 

(c)       Patent
and Copyright Registration. The Executive agrees to execute and deliver any instruments or documents and to do all other things
reasonably requested by the Company in order to more fully vest the Company with all ownership rights in the Work Product. If any
Work Product is deemed by the Company to be patentable or otherwise registrable, the Executive shall assist the Company (at the
Company’s expense) in obtaining letters of patent or other applicable registration therein and shall execute all documents
and do all things, including testifying (at the Company’s expense) as necessary or appropriate to apply for, prosecute, obtain,
or enforce any Intellectual Property right relating to any Work Product. Should the Company be unable to secure the Executive’s
signature on any document deemed necessary to accomplish the foregoing, whether due to the Executive’s disability or other
reason, the Executive hereby irrevocably designates and appoints the Company and each of its duly authorized officers and agents
as the Executive’s agent and attorney-in-fact to act for and on the Executive’s behalf and stead to take any of the
actions required of Executive under the previous sentence, with the same effect as if executed and delivered by the Executive,
such appointment being coupled with an interest.

 

This Section 8 shall survive
the termination of this Agreement for any reason. In the event the Executive breaches this Section 8, the Company shall
have right to seek remedies permissible under applicable law.

 

9.       Conflicting
Employment. The Executive hereby agrees that, during the Term, he/she will not engage in any other employment, occupation,
consulting or other business activity related to the business in which the Company is now involved or becomes involved during the
Term, nor will the Executive engage in any other activities that conflict with his/her obligations to the Company without the prior
written consent of the Company.

 

10.       Non-Competition
and Non-Solicitation.

 

(a) (i)During
the Term and for a period of one year following the termination of the Employment for whatever reason, the Executive will not directly
or indirectly:

 

(1)       engage
or assist others in engaging in any business or enterprise (whether as owner, partner, officer, director, employee, consultant,
investor, lender or otherwise, except as the holder of not more than one percent of the outstanding stock of a publicly held company)
that is competitive with the Company’s business, including any business or enterprise that develops, manufactures, markets,
licenses, sells or provides any product or service that competes with any product or service developed, manufactured, marketed,
licensed, sold or provided, or planned to be developed, manufactured, marketed, licensed, sold or provided, by the Company while
the Executive is employed;

 

    5

     

    

 

(2)       either
alone or in association with others, solicit, divert or take away, or attempt to divert or take away, the business or patronage
of any of the clients, customers, or business partners of the Company that were contacted, solicited, or served by the Executive
directly or the Company during the 12-month period prior to the termination of the Employment for whatever reason; or

 

(3)       either
alone or in association with others (A) solicit, induce or attempt to induce, any employee or independent contractor of the Company
to terminate his or her employment or other engagement with the Company, or (B) hire, recruit or attempt to hire, or engage or
attempt to engage as an independent contractor, any person who was employed or otherwise engaged by the Company at any time during
the term of this Agreement; provided that this clause (B) shall not apply to the recruitment or hiring or other engagement of any
individual whose employment or other engagement with the Company has been terminated for a period of six months or longer.

 

Notwithstanding the foregoing,
this Section 10 shall not preclude the Executive from becoming an employee of, or from otherwise providing services to,
a separate division or operating unit of a multi-divisional business or enterprise (a “Division”) if: (i) the
Division by which the Executive is employed, or to which the Executive provides services, is not competitive with the Company’s
business (within the meaning of Section 10); (ii) the Executive does not provide services, directly or indirectly, to any other
division or operating unit of such multi-divisional business or enterprise that is competitive with the Company’s business
(within the meaning of Section 10) (collectively, the “Competitive Divisions”); and (iii) such Competitive
Division or Divisions, in the aggregate, accounted for less than one-third of the multi-divisional business or enterprises’
consolidated revenues for the fiscal year, and each subsequent quarterly period, prior to the Executive’s commencement of
employment with the Division.

 

(ii)       If
the Executive violates the provisions of any of the preceding paragraphs of this Section 10, the Executive shall continue
to be bound by the restrictions set forth in such paragraph until a period of one year has expired without any violation of such
provisions.

 

(b) Injunctive Relief; Indemnity
of Company. The Executive acknowledges and agrees that any breach or threatened breach of this Section 10 would result
in irreparable injury and damage to the Company for which an award of money to the Company would not be an adequate remedy. The
Executive therefore also agrees that in the event of said breach or any reasonable threat of breach, the Company shall be entitled
to seek an immediate injunction and restraining order to prevent such breach and/or threatened breach and/or continued breach by
the Executive and/or any and all persons and/or entities acting for and/or with the Executive. The terms of this paragraph shall
not prevent the Company from pursuing any other available remedies for any breach or threatened breach hereof, including, but not
limited to, remedies available under this Agreement and the recovery of damages. The Executive and the Company further agree that
the provisions of this Section 10 are reasonable. The Executive agrees to indemnify and hold harmless the Company from and
against all reasonable expenses (including reasonable fees and disbursements of counsel) which may be incurred by the Company in
connection with, or arising out of, any violation of this Agreement by the Executive. This Section 10 shall survive the
termination of this Agreement for any reason.

 

    6

     

    

 

11.       Withholding
Taxes. Notwithstanding anything else herein to the contrary, the Company may withhold (or cause there to be withheld, as
the case may be) from any amounts otherwise due or payable under or pursuant to this Agreement such national, state, provincial,
local or any other income, employment, or other taxes as may be required to be withheld pursuant to any applicable law or regulation.

 

12.       Assignment.
This Agreement is personal in its nature and neither of the parties hereto shall, without the consent of the other, assign
or transfer this Agreement or any rights or obligations hereunder; provided, however, that the Company may assign or transfer this
Agreement or any rights or obligations hereunder to any member of the Group without such consent. If the Executive should die while
any amounts would still be payable to the Executive hereunder if the Executive had continued to live, all such amounts unless otherwise
provided herein, shall be paid in accordance with the terms of this Agreement to the Executive’s devisee, legatee, or other
designee or, if there be no such designee, to the Executive’s estate. The Company will require any and all successors (whether
direct or indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of the business and/or assets
of the Company to expressly assume and agree to perform this Agreement in the same manner and to the same extent that the Company
would be required to perform it if no such succession had taken place. Failure of the Company to obtain such assumption and agreement
prior to the effectiveness of any such succession shall be a breach of this Agreement and shall entitle the Executive to compensation
from the Company in the same amount and on the same terms as the Executive would be entitled to hereunder if the Company had terminated
the Employment other than for Cause, except that for purposes of implementing the foregoing, the date on which any such succession
becomes effective shall be deemed the Date of Termination. As used in this Section, “Company” shall mean the
Company as herein before defined and any successor to its business and/or assets as aforesaid which executes and delivers the agreement
provided for in this Section 12 or which otherwise becomes bound by all the terms and provisions of this Agreement by operation
of law.

 

13.       Severability.
If any provision of this Agreement or the application thereof is held invalid, the invalidity shall not affect other provisions
or applications of this Agreement which can be given effect without the invalid provisions or applications and to this end the
provisions of this Agreement are declared to be severable.

 

14.       Entire
Agreement. This Agreement constitutes the entire agreement and understanding between the Executive and the Company regarding
the terms of the Employment and supersedes all prior or contemporaneous oral or written agreements concerning such subject matter.
The Executive acknowledges that he/she has not entered into this Agreement in reliance upon any representation, warranty or undertaking
which is not set forth in this Agreement.

 

15.       Governing
Law. This Agreement shall be governed by and construed in accordance with the law of the State of New York.

 

16.       Amendment.
This Agreement may not be amended, modified or changed (in whole or in part), except by a formal, definitive written agreement
expressly referring to this Agreement, which agreement is executed by both of the parties hereto.

 

17.       Waiver.
Neither the failure nor any delay on the part of a party to exercise any right, remedy, power or privilege under this Agreement
shall operate as a waiver thereof, nor shall any single or partial exercise of any right, remedy, power or privilege preclude any
other or further exercise of the same or of any right, remedy, power or privilege, nor shall any waiver of any right, remedy, power
or privilege with respect to any occurrence be construed as a waiver of such right, remedy, power or privilege with respect to
any other occurrence. No waiver shall be effective unless it is in writing and is signed by the party asserted to have granted
such waiver.

 

    7

     

    

 

18.       Notices.
All notices, requests, demands and other communications required or permitted under this Agreement shall be in writing and
shall be deemed to have been duly given and made if (i) delivered by hand; (ii) otherwise delivered against receipt therefor; (iii)
mailed by postage prepaid, certified or registered mail; (iv) sent by a recognized courier with next-day or second-day delivery
to the last known address of the other party; or (v) sent by e-mail with confirmation of receipt.

 

		a.	if to Executive, to the address set forth on the signature page hereto.

 

		b.	If to the Company:

	 	CDT Environmental Technology Investment Holdings Limited
	 	
        C1, 4th Floor, Building 1 

        Financial Base, No. 8 Kefa Road 

        Nanshan District, Shenzhen, China 518057

	 	
        Telephone: 86-0755-86667996 

        E-mail: liyunwu@cdthb.cn

	 	 
	with a copy to:	K&L Gates LLP
	 	Southeast Financial Center, Suite 3900
	 	200 South Biscayne Blvd.
	 	Miami, FL 33131
	 	Telephone:  305-539-3300
	 	Facsimile:  305-358-7095
	 	Attention:  Clayton E. Parker, Esq.
	 	E-mail:  clayton.parker@klgates.com

 

Notice of change
of address shall be effective only when given in accordance with this Section. All notices complying with this Section shall be
deemed to have been received on the date of delivery or on the third business day after mailing.

 

19.       Counterparts.
This Agreement may be executed in any number of counterparts, each of which shall be deemed an original as against any party
whose signature appears thereon, and all of which together shall constitute one and the same instrument. This Agreement shall become
binding when one or more counterparts hereof, individually or taken together, shall bear the signatures of all of the parties reflected
hereon as the signatories. Photographic copies of such signed counterparts may be used in lieu of the originals for any purpose.

 

20.       No
Interpretation against Drafter. Each party recognizes that this Agreement is a legally binding contract and acknowledges
that such party has had the opportunity to consult with legal counsel of choice. In any construction of the terms of this Agreement,
the same shall not be construed against either party on the basis of that party being the drafter of such terms.

 

[Remainder of Page Intentionally Left
Blank]

 

    8

     

    

 

IN WITNESS WHEREOF,
the parties hereto have executed this Agreement as of the date first written above.

 

	 	
        CDT
        Environmental Technology Investment Holdings Limited

	 	 	 
	 	By:	/s/ Yunwu Li
	 	Name:	Yunwu Li
	 	Title:	 
	 	
        

         
	
	 	EXECUTIVE
	 	 
	 	/s/ Yunwu Li
	 	Name: Yunwu Li
	 	
        Address: C1, 4th Floor, Building
1, Financial Base, No. 8 Kefa Road, Nanshan District, Shenzhen, Guangdong, China 

        E-mail: liyunwu@cdthb.cn

 

 

Signature Page to Employment Agreement

 

    9

     

    

 

SCHEDULE I

 

Compensation

 

RMB 30,000 / month

 

    10

     

    

 

SCHEDULE II

 

Prior Inventions

 

None

 

    11

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