Document:

Exhibit 4.23

 

Hainan Nuclear Power Co., Ltd.

 

Xinheng Building 22nd Floor House Lease Contract

 

Contract No. (Party A): HN-EA100-2021-168

 

Contract No. (Party B):

 

Project name: 22-story building lease contract
in Xinheng Building

 

Party A (Lessor): Hainan Nuclear Power Co.,
Ltd.

 

Party B (lessee): REIT Technology Development
Co., Ltd.

 

     

     

    

 

Housing Lease Contract

 

Party A (Lessor): Hainan Nuclear Power Co., Ltd.

 

Party B (lessee): REIT Technology Development
Co., Ltd.

 

In view of the fact that Party B intends to rent
a house from Party A, and Party A agrees to rent the house to Party B, according to the “Contract Law of the People’s Republic of
China” and other relevant laws, regulations and rules, both parties have reached an agreement to enter into this contract.

 

1. The basic situation and purpose of the house

 

1.1. Address: 22nd Floor, Xinheng Building, No.
123-8, Binhai Avenue, Longhua District, Haikou City, Hainan Province.

 

1.2. Building area: 1279.66 square meters.

 

1.3. The location, structure and layout of the
rental house, the existing decoration, ancillary facilities, and equipment conditions shall be listed by both parties in the Floor Plan
of the Rental House (Appendix 1).

 

1.4. The rental housing is for office use. Party
B warrants that Party A’s written consent has not been obtained during the lease period and the purpose of the rented house shall not
be changed until it is reviewed and approved by the relevant departments as required.

 

2. Lease Term

 

2.1. Housing lease period: February 1, 2022 to
January 31, 2025.

 

2.2. It is stipulated in the contract that before
the expiration of the lease term, if Party B intends to renew the lease, it shall send a written letter to Party A two months in advance,
and the two parties shall negotiate on the renewal of the lease.

 

3. Rent and Payment

 

3.1 House rent: The monthly rent is:_______RMB (uppercase), and the annual rent is _______RMB. The aforesaid rent is fixed rent and shall not be adjusted during the lease
term.

 

3.2 Rent payment method: pay first and then rent,
with 3 months as a payment cycle, and pay the rent of the cycle to Party A by bank transfer 5 working days before the beginning of each
cycle. The rent for the first cycle shall be paid within 7 working days after the signing of this contract. After Party A receives the
rent paid by Party B, it shall issue a special VAT invoice to Party B within 5 working days.

 

3.3 Party B shall bear the actual expenses (water
fee/electricity fee/telephone fee/TV viewing fee/heating fee/gas fee/property management fee/Internet usage fee) during the lease period.
The specific payment method is as follows: The fee is subject to the requirements of the Xinheng Building Property Company and the local
business department.

 

    2

     

    

 

4. Work contact

 

4.1 The working contacts designated by both parties
to this contract are as follows:

 

(1) Party A’s contact person: Fandong Kong, Tel::

 

Party A’s project manager: Fandong
Kong, Tel:;

 

(2) Party B’s contact person: Jing Peng, Tel:.

 

4.2. If one party changes the working contact person,
it shall notify the other party in writing in time. Those who fail to notify in time and affect the performance of this contract or cause
losses shall bear corresponding responsibilities.

 

4.3 The main responsibilities of the working contact:

 

(1) Take the lead in organizing the implementation
of the work undertaken by the party;

 

(2) Responsible for communication and coordination
with the other party, information transfer, etc.

 

4.4 Unless otherwise stipulated in this contract
or agreed by both parties, all notices, documents and changes issued to the other party in accordance with this contract shall be in writing
and sent to Party A or Party B’s working contact or its designated handler.

 

5. Maintenance of houses and ancillary facilities

 

5.1 During the lease period, if there is any damage
to the leased house and its supporting service facilities that is not caused by Party B, Party A shall be responsible for repairing it.

 

5.2. During the lease period, Party B is responsible
for the daily maintenance of the leased house and its ancillary service facilities to ensure that the leased house and its ancillary facilities
are in a suitable and safe state. Party B shall conduct daily inspections. Once the leased house and its ancillary facilities are damaged
or hidden, Party B shall promptly notify Party A and take appropriate emergency measures.

 

5.3. Party B shall reasonably use and care for the
leased house and its ancillary facilities. If the rental house and its ancillary facilities are damaged or malfunctioned due to Party
B’s unreasonable use, Party B shall be responsible for maintenance or compensation.

 

5.4. For the facilities, decorations and equipment
added by Party B at its own expense, Party B shall bear the maintenance responsibility and bear the expenses at its own expense, and Party
A shall not undertake the maintenance obligation.

 

6. Housing delivery and return

 

6.1 Delivery of the house: Party A shall deliver
the house to Party B for use no later than the starting date. The delivery is deemed complete after both parties have signed and stamped
for inspection and handed over the house keys and handover confirmation forms such as water and electricity.

 

6.2. House return: After the lease expires or the
contract is terminated, Party B shall return the leased house and settle all rent and expenses. When returning the house, Party B shall
ensure that the leased house and ancillary equipment and facilities are in good condition.

 

6.3. Party B shall dismantle the ancillary facilities,
decorations and equipment added by its own investment from the date of termination of the contract or within the same day, and restore
it to the original state. Party A has the right to dispose of the fixtures, facilities, decorations and equipment added by Party B that
Party B fails to dismantle on schedule, and Party B shall be responsible for the costs and consequences incurred.

 

6.4. Party B shall complete the evacuation of personnel
and items within/from the date of expiry of the lease term or the termination of the contract, and shall be responsible for cleaning the
premises. If Party B has left items in Party A’s leased house, Party A shall have the right to deal with it by itself. And do not need
to bear any responsibility to Party B.

 

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7. Sublease and Assignment

 

7.1 Without the written consent of Party A, Party
B shall not sublease part or all of the leased premises to others.

 

7.2. If Party A transfers the leased house during
the lease period, it shall notify Party B in writing 90 working days in advance. Under the same conditions, Party B has the right of first
refusal.

 

8. Performance bond

 

8.1 Party B shall pay Party A a performance bond
of ______RMB within 15 working days after signing the contract.

 

8.2 The performance bond is a guarantee for Party
B to perform its contractual obligations. If Party B fails to perform any obligations under this contract, Party A shall have the right
to deduct the corresponding performance bond according to the liability for breach of contract that Party B needs to undertake.

 

8.3 After the lease term expires or the contract
is terminated, and after Party A confirms that Party B has no unfulfilled obligations and responsibilities, Party A shall refund Party
B without interest within 5 working days.

 

9. Rights and obligations of both parties

 

9.1 Party A ensures that it has the right to rent
the rental house to Party B.

 

9.2 Before Party B performs decoration or renovation
on the house under the contract, Party B must obtain the written consent of Party A. Relevant design plans (including security and fire
protection) must be approved in writing by Party A and approved by relevant management departments before they can be implemented. Party
B shall implement civilized construction in the process of decoration and renovation, and comply with relevant regulations such as property
management. During the period of decoration and renovation, if any disputes or infringements between neighbors are caused, Party B shall
be responsible for handling it; if losses are caused to Party A, Party B shall be responsible for compensation.

 

9.3 During the lease period, Party A has the right
to supervise and inspect the condition of Party B’s leased house and equipment and facilities, and Party B shall provide convenience and
cooperate.

 

9.4. During the lease period, if the house, decoration,
ancillary facilities and equipment under the contract are damaged or lost due to improper use, storage, maintenance and upkeep by Party
B, Party B shall be responsible for repairing or be liable for damages. If Party B refuses to repair or refuse to bear the liability for
compensation, Party A may repair or purchase new items on its behalf, and Party B shall bear the expenses.

 

9.5 Party B shall not change the use of the house,
and shall not use the leased house to engage in any illegal activities.

 

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10. Cancellation and termination of the contract

 

10.1. Both parties can terminate this contract by
mutual agreement.

 

10.2. In any of the following circumstances, both
parties have the right to terminate the contract, claiming that one party to cancel the contract should notify the other party in writing,
and the contract will be terminated when the written notice reaches the other party:

 

(1) The leased house is legally included in the scope
of house requisition and demolition due to urban construction needs;

 

(2) The rental house is damaged, lost or identified
as a dangerous house.

 

10.3. Party B has the right to unilaterally terminate
the contract if Party A has one of the following circumstances:

 

(1) The house is overdue for 15 days (including this
number) due to Party A’s reasons;

 

(2) The delivered house is seriously inconsistent
with the contract;

 

(3) Party B cannot use the leased house normally
because it does not undertake the agreed maintenance obligations;

 

(4) There is a problem with the ownership of the
leased house, which seriously affects the use of Party B;

 

(5) Other breaches of contractual obligations that
seriously affect Party B’s realization of the fundamental purpose of the contract.

 

10.4. If Party B has one of the following circumstances,
Party A has the right to unilaterally terminate the contract and take over the leased house.

 

(1) Without the consent of Party A, Party B alters
or damages the main body or load-bearing structure of the building;

 

(2) Party B delays the payment of house rent or any
expense for more than 15 days;

 

(3) Using the leased house to engage in illegal and
disciplinary activities;

 

(4) Subletting part or all of the leased house without
authorization.

 

(5) Change the purpose of the house agreed in the
contract without authorization.

 

(6) Other acts that seriously violate the contract.

 

11. Force Majeure

 

11.1. Force majeure refers to objective circumstances
that cannot be foreseen, avoided and overcome.

 

11.2. When either party affects the performance of
the contractual obligations due to force majeure, it may delay or exempt the performance of part or all of the contractual obligations
according to the degree and scope of the force majeure. However, the party affected by the force majeure shall minimize the delay or other
adverse effects caused by the force majeure, and notify the other party immediately after the force majeure effect is eliminated. Neither
party may request an adjustment to the contract price due to delays caused by force majeure.

 

11.3. The party affected by the force majeure shall,
within 2 weeks (including this number) after the occurrence of the force majeure event, obtain the relevant department’s certification
document on the occurrence of the force majeure event, and submit it to the other party for confirmation by fax or other written form.
Otherwise, there is no right to request the reduction or exemption of contractual liability on the grounds of force majeure.

 

11.4. If the impact of the force majeure event has
reached 120 days or both parties expect the impact of the force majeure event to continue for more than 120 days (including this number),
either party has the right to terminate this contract. Subsequent issues arising from the termination of the contract shall be resolved
through friendly negotiation between the two parties.

 

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12. Liability for breach of contract

 

12.1. Party A shall pay Party B a penalty of 0.042%
of the monthly rent for each overdue day for delivery of the house overdue;

 

12.2. During the lease period, if Party A needs to
take back the leased house in advance, it shall notify Party B days in advance and obtain the consent of Party B before taking back the
leased house % of the total rent to pay liquidated damages.

 

12.3. If Party B fails to pay rent or performance
bond or other fees on time, it shall pay Party A a penalty of 0.042% of the overdue amount for each overdue day.

 

12.4. If Party B renovates, renovates or adds fixed
facilities to the leased house without prior consent of Party A, Party B shall restore the original state and compensate for the loss,
and Party A has the right to require Party B to pay RMB 10,000 as liquidated damages.

 

12.5. Party B shall make corrections immediately
and pay Party A a penalty of RMB 10,000 each time if Party B sublet or use the leased house to engage in violation of laws and disciplines.

 

12.6. During the lease period, if Party B needs to
terminate the lease in advance, it shall notify Party A in advance/days and obtain the consent of Party A. Party B shall pay a penalty
of % of the total rent for the remaining lease term.

 

12.7. At the expiration of the lease term, if Party
B fails to return the leased house on time, it shall pay Party A liquidated damages at twice the daily rent for each overdue day.

 

12.8. During the lease period, if Party B violates
the contract, Party A has the right to charge Party B a penalty of RMB 10,000 per time.

 

12.9. If the liquidated damages to be paid by the
breaching party according to the contract is lower than the losses caused to the non-compliant party, it shall compensate the non-compliant
party for the difference.

 

13. Integrity Agreement

 

Both Party A and Party B shall strictly abide by
the stipulations in the “Integrity Agreement” (Annex 3) (if any)

 

14. Dispute handling

 

14.1. Any disputes arising from or related to this
contract shall be resolved through friendly negotiation between the two parties.

 

14.2. If the dispute cannot be resolved after negotiation,
it shall be handled in the second way below

 

Method 1: Arbitration. Submit it to the Arbitration
Commission, and conduct arbitration in accordance with the effective arbitration rules of the arbitration institution at the time of application
for arbitration. The arbitral award is final and binding on both parties.

 

Method 2: Litigation. File a lawsuit with the people’s
court where Party A is located.

 

14.3. During the dispute resolution period, the clauses
in the contract that do not involve the disputed part shall still be fulfilled.

 

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15. The contract takes effect

 

This contract takes effect when all the following
conditions are met:

 

The contract is signed by the legal representatives
(persons in charge) of both parties or their authorized representatives and stamped with the official seal of the unit or the special
seal of the contract;

 

16. Date of signing

 

The date of signing this contract shall be the date
when the latter of the two parties signs and affixes the official seal of the company or the special seal of the contract.

 

17. Contract Composition Documents

 

17.1. This contract consists of the main body of
the contract and the annexes. During the performance of the contract, any amendments or additions to the contract documents signed by
the legal representatives/responsible persons of both parties or their respective authorized representatives shall be regarded as an integral
part of the contract.

 

17.2. This contract includes the following annexes:

 

Annex 1 “Plan of Rental Housing”

 

Annex 2 “Water and Electricity Handover Confirmation
Sheet”

 

18. Number of copies

 

This contract is made in two copies, Party A holds
one copy and Party B holds one copy, which have the same legal effect.

 

19. Special agreement

 

This special agreement is a modification or supplement
to other clauses of the contract agreement. If there is any inconsistency, the special agreement shall prevail.

 

19.1. If Party B intends to expand the leased area,
before the expiration of the lease term of this contract, Party B shall send a written letter to Party A one month in advance, and the
two parties shall negotiate on the subsequent increase of the leased area.

 

19.2. During the lease period, if Party A needs to
take back the leased house in advance, it shall notify Party B 60 days in advance and obtain the consent of Party B before taking back
the leased house. 100% of the performance bond stipulated in the contract shall be paid as liquidated damages.

 

19.3. Clause 5.1. is amended to read: Party A guarantees
that the house is in a normal, suitable and safe state, and is responsible for the maintenance obligations due to the quality of the house
or natural damage. If Party A needs to inspect and maintain the house, it shall notify Party B 3 days in advance.

 

19.4. During the lease period, Party B shall take
good care of the house and the facilities in the house. If the house and related facilities are damaged due to Party B’s reasons, Party
B shall be responsible for the maintenance and bear the relevant responsibilities.

 

19.5. During the lease period, when Party B finds
that the house has its own quality (including the leakage of the original air-conditioning pipe, the leakage of the roof and wall) or
is naturally damaged, it shall notify Party A to repair it in time; The repair shall be carried out within a working day and completed
within a reasonable period of time, and the cost shall be borne by Party A.

 

19.6. If Party B fails to submit performance bond
or performance bond on time, Party A has the right to terminate this contract.

 

19.7. Party A has entrusted Harbin Hengxin Property
Management Co., Ltd. Haikou Branch (referred to as “Property Company”) as a property management company. Party B confirms this
and accepts its management voluntarily. Party B promises to abide by the “Property Management Service Agreement for Tenant Houses”
”, and abide by the current and future regulations on property management.

 

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19.8. During the lease period, if Party B withdraws
the lease or terminates or rescinds the contract due to Party B’s illegal act or other breach of contract, Party A shall have the right
to deduct the performance bond and require Party B to settle the relevant expenses and compensation to be paid. Loss.

 

19. 9. Party B promises to keep the contract price
and contract terms of this contract confidential.

 

19. 10. Party A promises to provide 3 parking spaces
in Xinheng Building for Party B free of charge.

 

19. 11. Party B shall not sublease the leased house
and its supporting service facilities to a third party. If it occurs, it shall be implemented in accordance with Clause 12.5 of this contract.

 

19. 12. Party B shall not use the leased house and
its supporting service facilities for catering, entertainment and medical (plastic surgery) related business scope category H. If it occurs,
it shall be implemented in accordance with Clause 12.8 of this contract, and in accordance with A. Party requires to complete the rectification
within a time limit. If Party B rejects Party A’s rectification request, Party A has the right to take back the house.

 

19. 13. From the date of receiving the leased house,
Party B becomes the responsible person for production and fire safety of the leased house, and must perform the main responsibility for
production and fire safety management in accordance with the law, and implement various safety managements such as production, fire protection
and property use. Work. Party B shall install fire-fighting facilities at its own expense, and go through relevant fire-fighting application
approval procedures and acceptance procedures according to the fire safety standards stipulated by the type of business industry. If a
fire or other safety accident is caused by Party B, it shall bear all economic losses and legal responsibilities. Party A has the right
to rescind the contract and investigate the economic and legal responsibilities of Party B in case of loss or personal injury to the leased
property and other people’s property.

 

19.14. Clause 6.3. is amended to read: Party B shall,
before the termination of the contract, dismantle the ancillary facilities, decorations and equipment added by its own capital and restore
it to the original state. If Party A agrees to keep the decoration, Party B does not need to remove it, and Party A does not pay any fees.
If Party B fails to restore the original state on time, Party A has the right to handle it by itself, and Party B shall bear the responsibility
for the costs and consequences.

 

19. 15. Clause 6. 4. is amended to read: Party B
shall complete the evacuation of personnel and items before the expiration of the lease term or before the termination of the contract,
and be responsible for cleaning the premises. Party A has the right to handle it by itself and does not need to assume any responsibility
to Party B.

 

19.16. Clause 12.6 is amended to read: If Party B
needs to cancel the lease in advance during the lease period, it shall notify Party A 60 days in advance, and the balance of rent and
performance bond that Party A has collected will not be refunded.

 

19. 17. Clause 2. 2 is amended to read: If Party
B intends to renew the lease before the expiry of the lease term, it shall send a written letter to Party A 2 months in advance. Within
two years of renewal, the rental price will be increased by __% on the basis of the current price, other terms remain unchanged.

  

19. 18. If there is a dispute between the two parties,
the Nanhai Notary Public Office of Haikou City, Hainan Province will be the institution that can carry out the notary business in the
event of a dispute.

 

19. 19. Party B promises to keep the contract price
and contract terms of this contract confidential.

 

(No text below)

 

    8

     

    

 

Party A (Lessor): Hainan Nuclear Power Co.,
Ltd.

/stamp/: Hainan Nuclear Power Co., Ltd.

 

Party B (lessee): REIT Technology Development
Co., Ltd.

/stamp/: REIT Technology Development Co., Ltd.

 

 

9Exhibit 4.24

 

Settlement Agreement

 

Party A: Beijing REIT Technology Development Co.,
Ltd. (hereinafter referred to as: Beijing REIT)

 

Party B: Xinyi Traffic Investment Co., Ltd. (hereinafter
referred to as: Xinyi Traffic)

 

Party C: REIT New Materials Xinyi Co., Ltd. (hereinafter
referred to as the joint venture company)

 

REIT New Materials Xinyi Co., Ltd. (joint venture
company) is a joint venture company established on July 14, 2015 by Beijing REIT Technology Development Co., Ltd. and Xinyi Transportation
Investment Co., Ltd. Since its establishment, the joint venture has operated independently, and all parties have kept their promises together.
Due to COVID-19 situation and the impact of the general economic environment, the shareholders have differences on the future business
development. After friendly negotiation between the two parties, the following agreement was reached:

 

1. Beijing REIT Technology Development Co., Ltd.
shall pay Xinyi Transportation Investment Co., Ltd. RMB 15 million for the equity repurchase, which will be used to repurchase 30% of
REIT New Materials Xinyi Co., Ltd. held by Xinyi Transportation Investment Co., Ltd. equity;

 

2. Beijing REIT Technology Development Co., Ltd.
should pay Xinyi City Transportation Investment Co., Ltd. income of RMB 4.5 million; Xinyi City Transportation Investment Co., Ltd. will
no longer perform the relevant obligations of providing two berths and terminals, and will voluntarily reduce the income of RMB 1.5 million.
The dispute between the two parties regarding the berth and terminal will be settled at one time.

 

3. The above-mentioned Beijing REIT Technology
Development Co., Ltd. should pay a total of RMB 18 million for equity acquisition and income, which should be paid by Xinyi Transportation
Investment Co., Ltd. RMB 4 million before April 19, 2022. On June 30, 2022 pay RMB 4 million a day ago, pay RMB 5 million before September
30, 2022, and pay the remaining RMB 5 million before December 31, 2022 (account number: 20332038100100000202801, account name: Xinyi Transportation
Investment Co., Ltd., open an account Bank: Agricultural Development Bank of China Xinyi Sub-branch);

 

4. Before the above payment is paid, Beijing REIT
Technology Development Co., Ltd. shall not transfer the equity of REIT New Materials Co., Ltd.; within 30 days after the payment is completed,
it has the right to request Xinyi Traffic Investment Co., Ltd. to assist in the registration of changes in equity transfer procedures
and related expenses shall be borne by Beijing REIT Technology Development Co., Ltd.; Xinyi Transportation Investment Co., Ltd. shall
not bear the debts incurred by the third party REIT New Materials Xinyi Co., Ltd. due to construction, operation, capital contribution,
etc. Or compensation for losses, have the right to claim compensation from Beijing REIT Technology Development Co., Ltd.

 

5. If Beijing REIT Technology Development Co.,
Ltd. fails to pay the full amount in any period and the payment is overdue for more than 10 days, Xinyi Transportation Investment Co.,
Ltd. has the right to apply for compulsory execution of the unpaid part of the total claim amount of RMB 19.5 million, and has the right
to claim the loss of interest on delayed payment at four times the quoted interest rate on the loan market of the National Interbank Funding
Center for the same period.

 

6. This agreement will take effect from the date
of signature by the three parties.

 

7. The original of this agreement is in triplicate,
each party holds one copy, all of which have the same legal effect.

 

Party A (Seal): Beijing REIT Technology Development
Co., Ltd.

/stamp/ Beijing REIT Technology Development Co.,
Ltd.

	Authorized Person (Signature): 	/s/ Hengfang Li	 

 

Party B (Seal): Xinyi Traffic Investment Co.,
Ltd.

/stamp/ Xinyi Traffic Investment Co., Ltd.

	Authorized Person (Signature): 	/s/Yonghao
    Huang	 

 

Party C (Seal): REIT New Materials Xinyi Co.,
Ltd.

/stamp/ REIT New Materials Xinyi Co., Ltd.

	Authorized Person (Signature): 	/s/ Limin Xu

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