Document:

EXHIBIT 4.12

No.: Yue Jiaoyin Shao Gong 2019 Baozi No.
034

Guarantee Contract

 

 

Bank of Communications
Co., LTD

 

No.: Yue Jiaoyin Shao Gong 2019 Baozi No.
034

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Guarantee Contract

Important Note:

Please read the full text
of this contract carefully, especially with ▲. For terms marked ▲, if there is any doubt, please ask the creditor to explain
in time.

 

In order to ensure
the satisfaction of all creditor’s claims under the principal contract signed or to be signed between the debtor and the creditor,
the guarantor is willing to provide the guarantee stipulated in this contract.

In order to clarify
the rights and obligations of both parties, the guarantor and the creditor have entered into this contract through negotiation and consensus.

Article 1 Principal
Creditor’s Rights

1.1 The principal
creditor’s rights guaranteed by the guarantor are all the principal creditor’s rights under the principal contract (if there
are multiple principal contracts, all the principal contracts, the same below), including all kinds of loans, overdrafts, discounts and
loans issued by the creditor to the debtor according to the principal contract or various types of trade financing (including but not
limited to import documentary financing, import collection financing, import remittance financing, export documentary financing, export
collection financing, export invoice financing, export order financing, package loan, domestic letter of credit documentary financing,
domestic letter of credit negotiation, domestic factoring financing, import factoring financing, etc), and/or creditor's claims (including
contingent claims) against the debtor arising from the issuance of banker's acceptance drafts, letters of credit or guarantees (including
stand-by letters of credit, likewise hereinafter) and creditor's claims (including contingent claims) against the debtor arising from
the credit facilities of other banks.

The bank credit business
stipulated in this contract means that the bank directly provides financial support to the customer, or guarantees the customer's compensation
and payment responsibilities that may arise in the relevant economic activities, including but not limited to any one or more of the businesses
listed above or businesses under other names.

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▲▲1.2
The currency, amount, interest rate and debt performance period of any principal creditor's rights and other specific contents shall be
signed by both the creditor and the debtor in the principal contract (including the application for quota use under the principal contract(Including
the application for quota use under the principal contract and/or documents in other names signed by both the creditor and the debtor,
the application for quota use and documents in other names are collectively referred to in this contract as "the application for
quota use", the same below)

In accordance with
Articles 10.2 (2), 10.2 (3), 10.2 (4) and 10.2 (5) of this contract to provide the maximum amount of guarantee, whether the amount of
the principal contract can be recycled, the purpose of the amount, each use The specific purpose of the credit limit and the credit period
are specified by the creditor and the debtor in the principal contract. For the maximum amount of guarantee provided in accordance with
Article 10.2(2) and 10.2(3), the principal creditor’s rights occurring within the credit extension period agreed in the principal
contract shall be guaranteed by this Contract; For the maximum amount of security provided in accordance with Articles 10.2 (4) and 10.2
(5), the principal creditor’s rights arising during the period specified in Articles 10.2 (4) and 10.2 (5) shall be guaranteed by
this Contract.

1.3 In accordance
with articles 10.2 (2), 10.2 (3), 10.2 (4) and 10.2 (5) of this contract, if the guarantor provides the guarantee of maximum amount for
the debtor, the following provisions shall apply.

The principal creditor’s
rights guaranteed under this contract shall be determined on the date of occurrence of the final principal creditor's right under all
the principal contracts ("the date of determination of the principal creditor’s
rights"). If the creditor cancels the entire credit line according to the principal contract, the date on which the entire credit
line is canceled shall be the date on which the principal creditor's right is determined.

The principal claims
occurring on or before the date of determination of the principal creditor’s rights and the interest (including compound interest,
overdue and misappropriation penalty), liquidated damages, damages and the expenses for realizing the creditor's claims as agreed in Article
2.2 hereof shall be covered by the warranties of this contract.

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The occurrence of
a master creditor's right refers to the creditor issuing a loan, financing, overdraft or issuing a bank draft, letter of credit, guarantee
or standby letter of credit.

▲ ▲1.4
Whether the actual amount of the creditor’s rights under the principal contract is lower than or higher than the maximum amount
of the creditor’s rights agreed in this contract, it will not affect the guarantor’s guaranty responsibility according to
this contract.

Article 2 Guarantee
Liability

2.1 The guarantee
under this contract is a joint and several liability guarantee.

2.2 The scope of the
guarantee is the principal and interest, compound interest, penalty interest, liquidated damages, damages and the cost of realizing the
creditor's rights under the principal contract. Expenses for realizing claims include but are not limited to collection fees, litigation
fees (or arbitration fees), preservation fees, announcement fees, execution fees, attorney fees, travel expenses and other expenses.

2.3 The guarantee
period shall be calculated separately according to the performance periods of each principal debt agreed in the principal contract (in
the case of issuing bank acceptance draft/letter of credit/letter of guarantee, according to the date of advance payment by the creditor).
The guarantee period under each principal debt shall be from the date of expiration of the performance period of such principal debt (or
the date of advance payment by the creditor) to two years after the date of expiration of the performance period of the final principal
debt due under the entire principal contract (or the date of advance payment by the creditor).

If creditor and
debtor agree that the debtor can stage to perform the payment obligations, the guarantee period of the principal debt shall be calculated
separately according to each repayment obligation, from the date of expiration of the performance period of each
repayment obligation (or the date of advance payment by the creditor) to two years after the date of expiration of the performance period
of the final principal debt due under the entire principal contract (or the date of advance payment by the creditor).

If the creditor
announces that any principal debt is due early, the expiry date of the performance period of the principal debt shall be subject to the
announced early maturity date.

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▲▲ 2.4
If the guarantee is provided in accordance with Article 10.2 (1), the guarantor has carefully read the principal contract and confirmed
all the terms.

In accordance
with Articles 10.2 (2), 10.2 (3), 10.2 (4) and 10.2 (5) to provide the maximum amount of guarantee, for the principal contract
signed before the signing of this contract, the guarantor has read the master contract carefully and confirm all terms. For the
principal contract to be signed after the signing of this contract, the guarantor agrees that the creditor and the debtor do not
need to notify the guarantor or obtain the consent of the guarantor when signing the principal contract. The guarantor will contact
the debtor to provide relevant documents.

▲▲2.5
If the guaranty is provided in accordance with Article 10, 2 (1), and the creditor and the debtor change the principal contract, the guarantor
shall still bear joint and several liability for the guaranty. However, if the principal contract is changed without the written consent
of the guarantor and the contract amount is increased, the interest rate is increased or the debt performance period is extended, the
guarantor shall only assume the guarantee responsibility according to the amount, interest rate and period agreed in the original principal
contract;However, on the premise that the principal contract has
not been changed, if the creditor adjusts the interest rate (including raising the interest rate) or extends the debt performance period
according to the agreement of the principal contract, the guarantor shall still bear all the guarantee responsibilities.

In
accordance with Articles 10.2 (2), 10.2 (3), 10.2 (4) and 10.2 (5), the maximum amount of security is provided, and the creditor and
debtor change the principal contract, including but not limited to  change the principal contract amount, credit period, debt
performance period, interest rate and other terms, there is no need to notify the guarantor or obtain the consent of the guarantor,
and the guarantor shall still bear the joint and several liability guarantee. However, for Article 10.2 (2) and 10.2 (3), if the
principal contract amount is increased or the credit extension term is extended without the written consent of the guarantor, the
guarantor shall only undertake the guarantee liability for the principal creditor's right occurring during the original credit
extension term within the maximum amount agreed herein;For
Articles 10.2(4) and 10.2 (5), no matter what changes occur in the principal contract, the guarantor shall have the maximum amount
of claims stipulated in this contract for the principal creditor’s rights that occurred during the period specified in
Articles 10.2(4) and 10.2 (5)guarantee responsibility within.

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▲▲2.6
The parties to this contract specifically agree as follows: the validity of this contract is independent of the principal contract, and
the invalidity of the principal contract or its relevant clauses will not affect the validity of this contract. The guarantor shall be
jointly and severally liable for the debtor's return liability and/or compensation liability after the principal contract is invalid.

▲▲2.7
The guarantee hereunder is a continuing guarantee, and any partial payment or discharge of all or part of the secured debt of the debtor
shall not be regarded as the release of the guarantee liability of the guarantor hereunder, and the guarantor shall still be liable as
agreed herein.

Article
3 Representations and Warranties of the Guarantor

3.1 The guarantor
has the capacity for civil rights and full capacity for civil conduct (if the guarantor is a natural person)/ the guarantor is legally
established and legally existing, and has all necessary capacity for rights (if the guarantor is a non-natural person), and can perform
the obligations hereunder in its own name and bear civil liabilities.

3.2
The execution and performance of this Contract is the true intention of the Guarantor and is without any legal defect after all necessary
consents, approvals and authorizations.

3.3 All documents,
materials and information provided by the guarantor to the creditor in the process of signing and performing this contract are true, accurate,
complete and valid.

▲▲3.4
The guarantor and its affiliates are not companies or individuals in the UN, EU or US sanctions list, and are not located in countries
and regions sanctioned by the UN, EU or US.

▲▲Article
4 Obligations of the Guarantor

4.1
The guarantor hereby irrevocably and unconditionally guarantees to the creditor that in the event that the debtor fails to repay in full
all or part of the loan, the financing loan or the advance payment or the corresponding interest paid by the creditor, the guarantor shall
immediately pay to the creditor the entire amount due from the debtor.

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The
guarantor agrees that: if the principal contract is also subject to the guarantee, mortgage or pledge provided by the debtor or a third
party, the creditor has the right to decide the exercise of the guarantee right, including but not limited to: The creditor shall have
the right to demand that the guarantor immediately pay the entire amount due to the debtor without first exercising the security interest
or asserting rights against other guarantors, and shall have the right to claim some or all of the guarantee rights against one or more
guarantors, including the guarantor, in any particular order or at the same time;If
the creditor waives or changes the guarantee rights to other guarantors, and waives or changes the order of rights of the guarantee interests,
the guarantor still bears the guaranty responsibility according to this contract and does not exempt from any responsibility.

4.2
The guarantor shall cooperate with the creditor in the supervision and inspection of its income and credit status (if the guarantor is
a natural person)/operation and financial status (if the guarantor is a non-natural person), and promptly provide the creditor with the
financial statements and other requirements for post-loan risk management needs. materials and information, and ensure that the documents,
materials and information provided are true, complete and accurate.

4.3 When the guarantor
has any of the following matters, it shall notify the creditor in writing at least 30 days in advance, and before the creditor's rights
under the principal contract are fully paid off, unless the creditor's written consent is obtained, the following actions shall not be
taken:

(1)
Sell, gift, lease, lend, transfer, mortgage, pledge or otherwise dispose of important assets, all or a substantial portion of assets;

(2) Significant
changes in the operating system or the form of business ownership, including but not limited to the implementation of contracting, leasing,
joint ventures, corporate restructuring, shareholding cooperative restructuring, corporate sales, mergers (mergers), joint ventures (cooperation),
divisions, establishment of subsidiaries, transfer of property rights, capital reduction, etc.

4.4 The guarantor
shall notify the creditor in writing within seven days from the date when the following events occur or may occur:

(1)
To amend the articles of association, change the enterprise's name, legal representative, residence, correspondence address, business
scope and other industrial and commercial registration items, and make decisions that have major impact on finance and personnel;

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(2)
Intends to file for bankruptcy or may or has been filed for bankruptcy by creditors;;

(3)
It is involved in major litigation, arbitration or administrative measures, or its main assets are taken for property preservation or
other compulsory measures;

(4) Provide a guarantee
for a third party that materially and adversely affects its economic condition, financial condition or ability to perform its obligations
under this contract;

(5)
Sign contracts that have a significant impact on the operations and financial position;

(6)
Suspend production, close down, disband, suspend business for rectification, repeal or revoke business license;

(7) The guarantor
or its legal representative (responsible person) or principal management personnel is involved in any violation of laws or regulations
or any violation of applicable exchange rules;

(8) Serious business
difficulties, deterioration of financial conditions, or other events that have a negative impact on the guarantor's business, financial
conditions or solvency or economic conditions;

(9)
Major changes of the guarantor's job or income or change of domicile or other contact information (if the guarantor is a natural person);

(10)
The guarantor has serious safety or environmental accident;

(11) The guarantor
has a significant change of equity;

(12)
The guarantor's external auditor's audit opinion on its financial statements is not a standard unqualified opinion;

(13)
The guarantor is or may be investigated, punished or take other similar measures by the competent authority for violating laws and regulations
and/or regulatory requirements;

(14)
The sponsor or its affiliates is included in the UN, EU or US sanctions list, or its country and region is included in the UN, EU or US
sanctions list of countries and regions.

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4.5 The Guarantor
hereby irrevocably and unconditionally agrees that the Guarantor shall not exercise any right or claim against the Debtor or other Guarantor
that may prejudice the interests of the Creditor until the Guarantee Obligation has been fully paid(Including but not limited to the guarantor's
right to claim compensation from the debtor or other guarantors due to the performance of this contract).If the Guarantor's exercise of
any such right or claim in breach of this section results in receipt of any sums from the debtor, the Guarantor shall promptly pay such
sums to the Creditor upon receipt.

4.6 Before the debtor
fully repays all the debts under the principal contract, if the debtor becomes a shareholder of the guarantor or its actual controller,
the guarantor will immediately notify the creditor and provide a resolution of the shareholders meeting (shareholders' meeting) on agreeing
to provide the guarantee.

4.7 The guarantor
guarantees to comply with national anti-money laundering laws, regulations and relevant policies, not engage in activities involving money
laundering and terrorist financing, and actively cooperate with creditors to carry out anti-money laundering work such as customer identification,
transaction record preservation, large and suspicious transaction report.

4.8
The guarantor guarantees that the guarantor, its employees and agents will not provide, give, solicit or accept material benefits (including
but not limited to cash, physical cards, travel, etc.) or other non-material benefits in any form other than those agreed herein to the
creditor or the creditor's employees;Do not use the funds or services
provided by creditors in any form, directly or indirectly, for activities related to corruption or bribery; if the guarantor is aware
of any violation of this agreement, it shall promptly, truthfully, completely and accurately provide clues and relevant information to
creditors. information, and cooperate with relevant matters in accordance with the requirements of creditors.

▲▲ Article
5 Deduction Agreement

5.1 With the authorization
of the guarantor, when the debtor or the guarantor has debts due and payable, the creditor has the right to deduct the funds in any account
opened by the guarantor in all branches of Bank of Communications Co., Ltd. for repayment.

5.2 After the deduction,
the creditor shall notify the guarantor of the account number involved in the deduction, the principal contract number, the application
number for the use of the quota, the contract number, the deduction amount, and the debt balance.

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5.3 When the guarantor's
repayment of debts (including the guarantor's active repayment and the creditor's deduction of the proceeds in accordance with this contract)
cannot fully pay off all the guarantor's debts:

(1)
Should first be used to settle the unpaid expenses due. If the principal and interest of the due debt are less than 90 days overdue, the
balance after paying off the expenses will be used to cover the unpaid interest or penalty interest and compound interest, and then used
to cover the unpaid principal; If the principal or interest of the due debt is overdue for 90 days or more, the balance after offsetting
the expenses shall be used to offset the unpaid principal, and then used to offset the unpaid interest or penalty interest and compound
interest;

(2)
Under the business of issuing bank acceptance draft, letter of credit, letter of guarantee, export factoring and so on, the balance after
compensating expenses shall first be used to compensate the principal unpaid at maturity, and then be used to compensate the interest
or penalty interest and compound interest unpaid at maturity;

(3) If the guarantor
has multiple debts (including debts owed by the guarantor to the creditor under other contracts), the creditor has the right to decide
the sequence of payment and offset of each debt of the guarantor on its own, as long as the sequence of payment and offset does not violate
the mandatory provisions of laws, regulations and relevant regulatory requirements applicable to the creditor. The creditor shall notify
the guarantor of the result of paying off the debt. Unless otherwise agreed by both parties on the matters in this paragraph.

(4)
Under personal loans, the order of debt repayment is as stipulated in the principal contract.

5.4 If the deduction
proceeds are not in the same currency as the debt to be repaid, the amount of debt repayment shall be converted at the exchange rate announced
by Bank of Communications Co., Ltd. at the time of deduction. If it is necessary to go through the formalities of foreign exchange settlement,
sale or exchange, the guarantor shall be obliged to assist the debtor in doing so as required by the creditor.

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Article 6 Notification

6.1 The contact information
(including mailing address, telephone number, fax number, etc.) filled in by the guarantor in this contract are all true and valid. If
any contact information is changed, the guarantor shall immediately send/send the changed information in writing to the correspondence
address filled in by the creditor in this contract. Such information changes will take effect after the creditor receives notice of the
changes.

6.2
Unless otherwise expressly agreed herein, the creditor shall have the right to give any notice to the guarantor in any of the following
ways. The creditor shall have the right to choose the method of notification it sees fit and shall not be liable for any errors, omissions
or delays in transmission by post, facsimile, telephone or any other communication system. If the creditor chooses multiple notification
methods at the same time, the one that reaches the guarantor sooner shall prevail.

(1)
Announcement, the date when the creditor publishes the announcement on its website, online banking, telephone banking or business outlet
is deemed to be the date of delivery;

(2)
If it is delivered by hand, the date of receipt by the guarantor shall be regarded as the date of delivery;

(3)
By post (including express mail, ordinary mail and registered mail) to the last known mailing address of the guarantor by the creditor,
3 days after the date of Posting (same city)/5 days (in different cities) shall be deemed as the date of delivery.

(4)
Fax, mobile phone text message or other electronic communication means served on the guarantor's
fax number, mobile phone number or email address specified by the guarantor as recently as known to the creditor, and the date of delivery
shall be deemed the date of delivery.

6.3
The guarantor agrees that, unless the creditor receives a written notice from the guarantor about changing the correspondence address,
the correspondence address filled in by the guarantor in this contract is the address at which the court will serve judicial documents
and other written documents on the guarantor. During the dispute resolution process of this contract, if the court delivers judicial documents
or other written documents by post (including express mail, ordinary mail, registered mail) to the guarantor's mailing address as recently
known to the creditor, the guarantor will be notified on the receipt of delivery. The date of receipt is the date of delivery;If
the guarantor does not sign on the receipt of delivery, the 3rd day (in the same city)/5th (different place) after the mailing date will
be regarded as the delivery date.

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Except for judgments,
rulings, and mediations, the court has the right to make any notification to the guarantor through any of the communication methods stipulated
in Article 6.2.The court shall have the right to choose such means of communication as it sees fit and shall not be liable for errors,
omissions or delays in transmission by post, facsimile, telephone, telex or any other communication system. If the court chooses multiple
communication methods at the same time, the one that reaches the guarantor sooner shall prevail.

▲▲Article
7 Information Disclosure and Confidentiality

7.1
The creditor shall not violate laws, regulations and regulatory requirements with respect to the use of the guarantor's undisclosed information
and materials obtained and known during the signing and performance of this contract, and shall bear the responsibility of confidentiality
according to law and shall not disclose such information and materials to any third party, except for the following circumstances:

(1)
Disclosure required by applicable laws and regulations;

(2)
Where the judicial department or regulatory agency is required to disclose according to law;

(3)
The guarantor fails to assume the guaranty responsibility as agreed, and the creditor needs to disclose to the creditor's external professional
adviser and allow the creditor's external professional adviser to use on the basis of confidentiality in order to realize the creditor's
rights under this contract.

(4)
Where the guarantor otherwise agrees or authorizes the lender to make the disclosure.

7.2 The guarantor confirms
that he has signed the "Letter of Authorization for Credit Information Inquiry and Provision". The creditor inquires, uses and
saves the credit information of the guarantor within the scope specified in the power of attorney.

7.3 In addition to
the situations stipulated in Articles 7.1 and 7.2 of this contract, the guarantor further agrees that Bank of Communications Co., Ltd.
may use or disclose the information and materials of the guarantor in the following circumstances, including but not limited to the basic
information of the guarantor, information, credit transaction information, bad information and other related information and materials,
etc., and are willing to bear all the consequences arising therefrom:

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For
the following purposes, to business outsourcing agencies, third-party service providers, other financial institutions and other institutions
or individuals deemed necessary by creditors, including but not limited to other branches of Bank of Communications Co., Ltd., or Bank
of Communications Co., Ltd. in whole or in part Owned Subsidiaries, disclose and permit them to use such information and materials on
a confidential basis: 1In order to carry out bank credit business
or related to bank credit business, such as promoting the credit business of Bank of Communications Co., Ltd., collecting the guarantor's
arrears, transferring the creditor's rights of the bank credit business, etc.; 2 Provide
or may provide new products or services or provide further services for the creditor to the guarantor.

Whether this Article
7.3 is applicable shall be subject to the agreement between the two parties in Article 12.1 of this contract.

Article 8 Dispute
Resolution

This contract is governed
by the laws of the People's Republic of China (excluding the laws of Hong Kong, Macau and Taiwan for the purpose of this contract).Disputes
under this contract shall be brought to the court with jurisdiction where the creditor is located, unless it is otherwise stipulated in
the "Other Agreed Matters" clause of this contract. During the dispute, the parties shall continue to perform the terms not
involved in the dispute.

Article 9 Effective
Terms

This contract will
take effect from the date when all the following conditions are met: (1) The legal representative (person in charge) or authorized representative
of the guarantor signs (or seals) and affixes the official seal; if the guarantor is a natural person, the guarantor signs; (2) The creditor
is responsible for Signed (or stamped) by the person or authorized representative and stamped with the unit's seal.

Article 10 The
Principal Contract of the Guarantee

10.1 The guaranteed
debtor is: Shaoguan Angrui Environmental Technology Development Co., Ltd.

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10. 2 The guarantee
provided in this contract shall be governed by the following clause (1):

(1)
Guarantee. Guaranteed principal contract number:Yuejiao Yinshao
2019 Fixed Asset Loan No. 002 Name:Fixed Assets Loan Contract;

(2)
Guarantee under the debt ceiling. Guaranteed principal contract number: /        Name:/          ;
The maximum amount of debt guaranteed by the guarantor is(currency):
/_________(capitalized amount: /                                 ;

(3)
Guarantee under the debt ceiling. Guaranteed principal contract number:/          Name:
/                   ;The
maximum amount of debt guaranteed by the guarantor shall be the sum of the following two amounts:1 Guaranteed
maximum principal balance of principal creditor’s rights (currency): /              
(capitalized amount): /            ,The term "guaranteed maximum
principal balance of principal creditor's rights" as mentioned in this paragraph refers to the maximum principal balance of principal
creditor's rights (including contingent creditor's rights) guaranteed by the guarantor under the principal contract,2The
aforesaid principal creditor’s rights continue until the guarantor assumes responsibility for the interest (including compound interest,
overdue and misappropriation penalty interest), liquidated damages, damages and the cost of the creditor's realization of the creditor's
rights stipulated in Article 2.2 of this contract.

Principal balance
means the sum of either or both of the following:

i.
Sum of various types of loans, overdrafts, discounts and/or principals of various types of trade financing issued by the creditor under
the principal contract and outstanding by the debtor;

ii. The sum of the
amount of bank acceptance bills, letters of credit or letters of guarantee issued by the creditor under the principal contract and still
valid, and the sum of the amount advanced by the creditor under the aforesaid bank credit business but not paid by the debtor.

(4)Guaranty
of maximum amount. The guarantor provides the highest guarantee for all the principal contracts signed between the creditor and the debtor
from /      (Year)/        (Month)   /      (Day)
to     /      (Year)/      (Month)    /          (Day).
All principal contracts signed during the period provide the highest guarantee, and the maximum amount of creditor’s rights guaranteed
by the guarantor is (currency and capitalized amount):___/___.

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The
term “principal contract” as
mentioned in the preceding paragraph refers to: ¢all
credit business contracts signed by the creditor and the debtor □ all
credit business contracts signed for ___/___.

(5)Guaranty
of maximum amount. The guarantor provides the maximum guarantee for all the principal contracts signed between the creditor and the debtor
during the period from ___ / year        /       month
/          day to /        year /       
month /       day, and the maximum amount of creditor’s
rights guaranteed by the guarantor is the sum of the following two amounts:1 The
maximum amount of the principal balance of the principal creditor's rights guaranteed (currency and capitalized amount): /        ,
the term "the maximum amount of the principal balance of the principal creditor's rights guaranteed" in this subsection refers
to the principal creditor's rights (including the contingent claims) guaranteed by the guarantor under the principal contract claims)
the maximum amount of the principal balance,2The aforesaid principal
creditor’s rights continue until the guarantor assumes responsibility for the interest (including compound interest, overdue and
misappropriation penalty interest), liquidated damages, damages and the cost of the creditor's realization of the creditor's rights stipulated
in Article 2.2 of this contract.

The
“principal contract” mentioned in the preceding paragraph refers to: □all
the credit extension business contracts signed by the creditor and the debtor □ all
the credit extension business contracts signed for___/___.

Principal balance
means the sum of either or both of the following:

i. The sum of the
principals of various types of loans, overdrafts, discounts and/or various trade financing funds issued by the creditor under the principal
contract and outstanding by the debtor;

ii. The sum of the
amount of bank acceptance bills, letters of credit or letters of guarantee issued by the creditor under the principal contract and still
valid, and the sum of the amount advanced by the creditor under the aforesaid bank credit business but not paid by the debtor.

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Article 11 Contact
Information

The contact details
for the guarantor to receive notices under Article 6 include:

Mailing address:
Room 7953, Building 2, 1800 Panyuan Road, Changxing Town, Chongming District, Shanghai

Recipient: Li Jingquan

Zip
code:202150 

Tel:[*];
 Cell phone:[*]

Fax:
[*];  E-mail: /

Article 12
Other Agreed Matters

12.1
Both parties agree, in this contract Clause 7.3 ■applies□does
not apply.

12.2
Both parties agree that the jurisdictional court for disputes stipulated in Article 8 of this contract shall be revised from “the
court with jurisdiction at the location of the creditor” to: /

Article 13 Copies of Contracts

This contract is in
four original copies, each party holds one copy.

 

Guarantor:Shanghai
Onway Environmental Development Co., Ltd.

Legal representative
(person in charge): Peng Wenlie

Certificate Type:
Business License

Certificate Code: 91310000322311813W

Legal (household registration)
address: Room 7953, Building 2, 1800 Panyuan Road, Changxing Town, Chongming District, Shanghai

Creditor: Bank of Communications
Co., Ltd. _Shaoguan_ Branch

Person in charge: Gao
Yan

Mailing address: No.
27, Industrial Middle Road, Wujiang District, Shaoguan City

The
guarantor has read all the terms of the contract thoroughly, the creditor has made a detailed explanation at the request of the guarantor,the
guarantor has no doubts and objections to all the contents when signing this contract, and understands the terms of the contract, especially
the meaning and legal consequences of the terms marked with ▲▲.

(No
text below this page)

 

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    Guarantor (official
    seal/signature)

    Shanghai Onway Environmental Development Co.,
    Ltd.

     

    Legal representative (responsible person) or
    authorized representative

    (signature or seal)

    /s/ PENG Wenlie

     

    Date of signature: August 29, 2019

     

     

     
	
    Creditor (unit seal)

    Special Seal for Credit Business Contract of
    Shaoguan Branch of Bank of Communications Company Limited

    Responsible person or authorized representative

    (signature or seal)

    /s/ GAO Yan

     

    Date of signature: August 29, 2019

     

 

 

Co-Owner
Statement Terms(Applicable when the guarantor is a natural person):

I(Name:
/              
Type of Identification:/            Identification No.: /             )is
the spouses of the guarantor. I have carefully read and confirmed all terms of this contract, understand and agree that the guarantor
provides a guarantee to the creditor for the debtor, and the debts under such guarantee shall be the joint debts of the couple and shall
be paid out of the joint assets of us.

Co-Owner signature:EXHIBIT 4.13

 

No.: Yue Jiaoyin Shao Gong 2019 Yingzhizi No.002

 

 

 

Accounts Receivable Pledge Contract 

 

 

 

 

Bank of Communications Co., LTD

 

 

 

 

 

 

 

 

No.: Yue Jiaoyin Shao Gong 2019 Yingzhizi No.002

 

 

    	 

    	 

    

 

Accounts Receivable Pledge Contract

 

 

 

Important Tips

 

The Pledgor shall read the full
text of this contract carefully, especially the clauses marked with ▲▲. In case of doubt, please ask the Pledgee to explain
it in time. 

 

In order to guarantee
the realization of the creditor’s rights under the principal contract signed between the debtor and the Pledgee, the Pledgor is
willing to pledge the accounts receivable which it has disposition right.

In order to clarify
the rights and obligations of both parties, the Pledgor and the Pledgee hereby conclude this contract through consultation.

Article 1 Pledge Object, Pledge Effectiveness
and the Registration of Pledge Right

1.1 The pledge object
under this contract is accounts receivable, and the details of the pledge object shall be subject to Article 15 of this contract.

1.2 The pledge effectiveness
and the fruits generated during the pledge period of accounts receivable (if applicable).

1.3 The Pledgee shall
go to the credit information service agency of the People’s Bank of China to register the pledge and the Pledgor shall assist.

Article 2 Scope of Guarantee

2.1
The scope of guarantee is the principal and interest, compound interest, penalty interest, liquidated damages, damages, and the expenses
of the Pledgee for keeping the pledged property and realizing the creditor’s rights and pledge rights under the principal contract.
The expenses for realizing creditor’s rights and pledge rights include but are not limited to urging fees, litigation fees (or arbitration
fees), preservation fees, announcement fees, execution fees, attorney fees, travel expenses and other expenses.

    	 

    	 

    

 

▲▲ 2.
2 Both parties of this contract specially agree as follows: the validity of this contract is independent of the principal contract, and
the invalidity of the principal contract or its relevant clauses will not affect the validity of this contract. The Pledgor shall be jointly
and severally liable for the return or compensation liability that the debtor should bear after the principal contract becomes void.

▲▲ Article 3 Margin Account
(Not Applicable to This Contract)

3.1 During the pledge
period, the Pledgor shall open a margin account with the Pledgee as a special collection account for pledged accounts receivable. This
special collection account is unique and cannot be changed or re-opened without the written consent of the Pledgee. The amount recovered
from pledged accounts receivable shall become the security deposit from the date it is deposited into the account (see Article 16 of this
contract for the account number of the margin account and the specific interest-bearing method of the cash deposit).

3.2 The cash deposit
and interest are used to guarantee the principal and interest, compound interest, penalty interest, liquidated damages, damages, and the
expenses for realizing the creditor’s rights and pledge rights under the principal contract. The expenses for realizing creditor’s
rights and pledge rights include but are not limited to urging fees, litigation fees (or arbitration fees), preservation fees, announcement
fees, execution fees, attorney fees, travel expenses and other expenses.

3.3 The cash deposit
is transferred to the Pledgee’s possession from the date it is deposited into the account. Before the debts under the principal
contract are fully paid off, the Pledgor shall not withdraw, transfer or dispose of or use the money in the margin account in any other
way without the written consent of the Pledgee. When the debt under the principal contract is overdue, the Pledgee has the right to deduct
the cash deposit and its interest.

3.4 Without the written
consent of the Pledgee, the Pledgor shall not withdraw the funds in the margin account. If the Pledgor applies for withdrawing funds from
the margin account, it shall submit the Application for Withdrawing Funds from Accounts Receivable as required by the Pledgee,
and provide other guarantee measures recognized by the Pledgee. The Pledgee has the right to decide whether to approve the Pledgor’s
application for withdrawal.

    	 

    	 

    

 

Article 4 Received Payments Account
(Applicable to This Contract)

4. 1 With the consent
of the Pledgee, the Pledgor does not need to open a margin account dedicated to the received
payments of accounts receivable at the Pledgee, and the received payments of accounts receivable shall be put in the general settlement
account opened by the Pledgor at the Pledgee (see Article 17 of this contract for the general settlement account number).

4.2 The Pledgee has
the right to monitor the capital flow in the Pledgor’s received payments account, the average balance of
the account, the due recovery of accounts receivable and the actual occurrence of future accounts receivable, etc. The Pledgor shall ensure
that the inflow of funds in the received payments account matches the period and amount of accounts receivable.

4.3 In case of any
abnormal situation, such as the fund in the received payments account does not match the account period and amount of the accounts receivable,
and the accounts receivable are not recovered due, the Pledgee has the right to take any of the following measures:

(1) The funds deducted
from received payments account are used to repay the creditor’s rights under the principal contract;

(2) Require the Pledgor
to open a margin account and transfer the funds in the received payments account into the margin account. The Pledgor shall notify the
payer of the accounts receivable to transfer the funds of the subsequent accounts receivable into the margin account. Article 3 of this
contract shall apply to other contents of the margin account.

Article 5 Notification to the Payer

Whether or not to
notify the payer when the accounts receivable are pledged can be divided into the following two situations, which are subject to Article
18 of this contract:

    	 

    	 

    

 

Firstly, the Pledgor
shall notify the payer of accounts receivable (hereinafter referred to as the payer) within the agreed time after the signing of this
contract according to the format of the Notification of Pledge of Accounts Receivable attached to this contract, inform the account
number of special accounts receivable, and obtain the confirmation receipt of the payer. Without the consent of the Pledgee, the Pledgor
shall not notify the payer to change the collection account.

Secondly, when the
accounts receivable are pledged, the payer will not be notified, but the Pledgor shall take the general settlement account opened with
the Pledgee as the received payments account according to Article 4 of this contract, and the specific content
of the received payments account shall be subject to Article 4 of this contract. The Pledgor shall also sign the Notification
of Pledge of Accounts Receivable (Applicable to No Notification During Pledge) in advance according to the format of Notification
of Pledge of Accounts Receivable (Applicable to No Notification During Pledge) attached to this contract, and authorize the Pledgee
to fill in the blank part when the Pledgee deems it necessary and then notify the payer.

Article 6 Representation and Warranty
of the Pledgor

6.1 The Pledgor is
legally established and exists, has all necessary rights and capabilities, can fulfill the obligations of this contract in its own name
and bear civil liabilities.

6.2 The signing and
performance of this contract is the true expression of the Pledgor’s will, and all necessary consents, approvals and authorizations
have been obtained without any legal defects.

6.3 The accounts receivable
and relevant documents, materials and information provided by the Pledgor to the Pledgee in the process of signing and performing this
contract are true, accurate, complete and effective.

6.4 The Pledgor has
full right to dispose of the accounts receivable, and there are no defects, disputes, lawsuits (arbitration) or any third party’s
rights and interests that have not been told to the Pledgee, and there are no situations that can be offset between the Pledgor and the
payer.

    	 

    	 

    

 

6.5 The Pledgor does
not make any changes to its name within four months before the signing date of this contract and informs the Pledgee of its name status.

6.6 The Pledgor has
completed all necessary approval, consent, examination and other formalities for the pledge of accounts receivable under this contract.

6.7 Where the accounts
receivable generated from the sale of goods are pledged, the corresponding goods are not pledged.

▲▲ 6.8
Neither the Pledgor nor its related parties belong to the enterprises or individuals on the sanctions list of the United Nations, the
European Union or the United States, nor are they located in countries and regions sanctioned by the United Nations, the European Union
or the United States.

▲▲
Article 7 Obligations of the Pledgor

7.1 The Pledgor shall
bear the expenses arising from the auction and sale of accounts receivable.

7.2 The Pledgor shall
actively perform the basic transaction contract with the payer to maintain the value of accounts receivable.

7.3 Without the written
consent of the Pledgee, the Pledgor shall not dispose of the accounts receivable in any way.

7.4 The Pledgor shall
notify the Pledgee in writing immediately after the following events happen, cooperate with the Pledgee to take relevant measures, and
provide additional guarantee as required by the Pledgee:

(1) The value of accounts
receivable decreases or may decrease;

(2) The Pledgor changes
the name, domicile, legal representative, registered capital, business scope, company type, and the Articles of Association of the company,
or major changes occur in the financial and personnel aspects, or is declared bankrupt, canceled or dissolved according to laws;

(3) The payer is declared
bankrupt, revoked or dissolved according to laws;

    	 

    	 

    

 

(4) Trade disputes
(including but not limited to trade disputes in quality, technology and service), debt disputes and debt recourse arise between the Pledgor
and the payer or other third parties, resulting in accounts receivable that may not be paid on time;

(5) There are signs
that the Pledgor’s accounts receivable are difficult to recover;

(6) The ownership
of accounts receivable is disputed, or the pledge right is or may be adversely affected by any third party;

(7) The Pledgor makes
provision for large bad debts or confirms the actual bad debt loss for the accounts receivable under pledge;

(8) If the accounts
receivable under Article 15 (2) or (3) of this contract are pledged, the basic transaction contract cannot be continuously performed or
the continuous performance of the contract is subject to significant uncertainty;

(9) The Pledgor has
a major safety or environmental protection accident;

(10) The Pledgor has
significant equity change;

(11) The external
auditor of the Pledgor’s audit opinion on its financial statements is not a standard unqualified opinion;

(12) The Pledgor is
or may be investigated, punished or taken other similar measures by the competent authority for violating laws, regulations and/or regulatory
requirements;

(13) The Pledgor or
its related parties are included in the sanctions list of the United Nations, the European Union or the United States, or their countries
and regions are included in the sanctions list of the United Nations, the European Union or the United States.

In any of the above
situations, the Pledgee has the right to notify the payer of the Notification of Pledge of Accounts Receivable (Applicable to No Notification
During Pledge) for the business not notified to the payer during pledge.

    	 

    	 

    

 

7.5 In case of any
of the following circumstances, the Pledgor shall provide guarantee separately according to the requirements of the Pledgee, and cooperate
with the Pledgee to take relevant measures:

(1) The Pledgee thinks
that the value of accounts receivable decreases or may decrease;

(2) The debtor’s
credit business in Bank of Communications is overdue or has advance payment and debit interest, etc.

(3) The payer fails
to pay the receivable funds to the account designated by the Pledgee or fails to deliver the bank acceptance bill as payment to the Pledgee
as required.

In any of the above
situations, the Pledgee has the right to notify the payer of Notification of Pledge of Accounts Receivable (Applicable to No Notification
During Pledge) for the business not notified to the payer during pledge.

7.6 The Pledgor shall
assist the Pledgee to realize the pledge right without setting any obstacles.

7.7 Before the debtor
pays off all debts under the principal contract to the Pledgee, the Pledgor shall not exercise the right of recourse enjoyed by the debtor
or other guarantors for the performance of this contract.

7.8 If the Pledgee
and the debtor change the principal contract, the Pledgor shall still bear the liability for insurance. However, if the principal contract
is changed, the contract amount is increased, the interest rate is increased or the debt performance period is extended without the written
consent of the Pledgor, the Pledgor shall still undertake the guarantee responsibility according to the amount, interest rate and period
agreed in the original principal contract; however, if the Pledgee adjusts the interest rate (including raising the interest rate) or
extends the debt performance period according to the agreement of the principal contract, the Pledgor shall still bear all the guarantee
responsibilities.

    	 

    	 

    

 

7.9 If the accounts
receivable under Article 15 (2) or (3) of this contract are pledged, the Pledgor shall submit the original invoice to the Pledgee within
two months after the accounts receivable are actually formed.

7.10 Before the debtor
pays off all debts under the principal contract in full, if the debtor becomes the shareholder or actual controller of the Pledgor, the
Pledgor will immediately notify the Pledgee and provide the resolution of the shareholders’ meeting (general meeting of shareholders)
on agreeing to provide guarantee.

7.11 The Pledgor promises
to abide by the national anti-money laundering laws, regulations and relevant policies and requirements, not engage in activities involving
money laundering and terrorist financing, and actively cooperate with the Pledgee in various anti-money laundering work such as customer
identification, transaction record keeping, large-value and suspicious transaction reports, etc.

7.12 The Pledgor guarantees
that the Pledgor and its employees and agents shall not provide, give, ask for or accept any form of material benefits (including but
not limited to cash, physical cards and travel, etc.) or other intangible benefits to the Pledgee or its employees in any form; use the
funds or services provided by the Pledgee in any form directly or indirectly for activities related to corruption or bribery; if the Pledgor
is aware of any violation of this Article, it shall timely, truthfully, completely and accurately provide clues and relevant information
to the Pledgee, and cooperate with relevant matters according to the Pledgee’s requirements.

▲▲ Article 8 Realization
of Pledge

8.1 If the debtor
fails to repay all or part of the loan, financing funds or the Pledgee’s advance payment or corresponding interest on time, the
Pledgee has the right to auction and sell the accounts receivable according to laws, and get the priority of compensation with the proceeds,
or the Pledgee has the right to directly collect fees from the Pledgor’s debtor.

    	 

    	 

    

 

8.2 If the Pledgor
fails to provide new guarantee as agreed in Article 7.4 or Article 7.5, the Pledgee has the right to dispose of the accounts receivable
according to laws, and the proceeds shall be used to pay off the secured creditor’s rights and related expenses in advance; if the
Pledgee receives the written notice of the Pledgor’s disapproval of early settlement before the disposal of accounts receivable,
the proceeds shall be deposited into the insurance fund account, and the Pledgor may not withdraw it without the written consent of the
Pledgee. When the principal creditor’s right has not been paid off due, the Pledgee can be directly compensated with the money in
the account.

8.3 The Pledgor agrees
that if the principal contract is guaranteed by the guarantee, mortgage or pledge provided by the debtor or a third party at the same
time, the Pledgee has the right to decide the exercise of the guarantee right at its own discretion, including but not limited to: the
Pledgee has the right to directly exercise the pledge right without claiming rights from other guarantors first, and has the right to
claim part or all of the guarantee rights from one or more guarantors including the Pledgor separately or simultaneously in no order;
if the Pledgee abandons or changes the guarantee rights of other guarantors or the right sequence of the real right for security, the
Pledgor shall still assume the guarantee responsibility according to this contract without any exemption.

▲▲ Article 9 Guarantee
Clause

9.1 If the pledge
right is not established or invalid due to the following reasons, the Pledgor shall be jointly and severally liable for the debtor’s
debts under the principal contract:

(1) The Pledgor fails
to assist in the pledge registration formalities as agreed in Article 1.3;

(2) The representation
and warranty made by the Pledgor under Article 6 are untrue;

(3) Other reasons
due to the Pledgor.

    	 

    	 

    

 

9.2 The scope of the
Pledgor’s guarantee is the principal and interest, compound interest, default interest, liquidated damages, damages, and the expenses
of the Pledgee for keeping the pledged property and realizing the debt right under the principal contract. The expenses for realizing
creditor’s rights include but are not limited to urging fees, litigation fees (or arbitration fees), preservation fees, public security
fees, execution fees, attorney fees, travel expenses and other expenses.

9.3 The guarantee
period is two years from the expiration date of the debt performance period.

If the principal contract
stipulates that the debtor can fulfill the repayment obligations in installments, the guarantee period shall be calculated according to
the repayment obligations of each installment, starting from the expiration date of each installment and ending two years after the expiration
date of the last installment.

The
expiration date of the debt performance period under the bank acceptance bill, letter of credit and letter of guarantee is the date when
the creditor advances the money.

If the creditor declares
that all debts under the principal contract are due in advance, the declared early maturity date shall be the expiration date of the debt
performance period.

9.4 The validity of
this guarantee clause is independent of the rest of this contract. The effective condition of this guarantee clause is that the pledge
right under this contract is not established or invalid due to the reasons listed in Article 9.1.

Article 10 Notification

10.1 The contact information
(including mailing address, contact telephone number and fax number, etc.) filled in by the Pledgor in this contract are true and valid.
If any contact information is changed, the Pledgor shall immediately mail/send the changed information in writing to the communication
address filled in this contract by the Pledgee. Such information changes shall take effect after the Pledgee receives the notice of change.

    	 

    	 

    

 

10.2 Unless otherwise
expressly agreed in this contract, the Pledgee shall have the right to give any notice to the Pledgor in any of the following ways. The
Pledgee has the right to choose the appropriate notification method, and does not need to be responsible for the transmission errors,
omissions or delays in the mail, fax, telephone or any other communication system. If the Pledgee chooses multiple notification methods
at the same time, the one which arrives at the Pledgor sooner shall prevail.

(1) When delivered
by announcement, the date when the Pledgee makes an announcement on its website, online banking, telephone banking or business outlets
shall be regarded as the date of delivery;

(2) When
delivered by special person, the date of receipt by the Pledgor shall be regarded as the date of delivery;

(3) When
delivered by post (including express mail, ordinary mail and registered mail) to the last known mailing address of the Pledgor, the 3rd
day (same city)/5th day (different cities) day after the mailing date shall be regarded as the date of delivery;

(4) When delivered
by fax, mobile phone short message or other electronic communication methods to the fax number of the Pledgor recently known by the Pledgor,
the mobile phone number or e-mail address designated by the Pledgor, the date of sending shall be regarded as the date of delivery.

10.3 The Pledgor agrees
that unless the Pledgee receives the written notice from the Pledgor about the change of mailing address, the mailing address filled by
the Pledgor in this contract is the address where the court serves judicial documents and other written documents to the Pledgor. In the
process of dispute settlement of this contract, if the court delivers judicial documents or other written documents to the Pledgor’s
mailing address recently known by the Pledgee by mail (including express mail, ordinary mail and registered mail), the date of receipt
of the Pledgor’s service receipt shall be the date of delivery; if the Pledgor fails to sign for the receipt of service, the 3rd
day (same city)/5th day (different cities) after the mailing date shall be regarded as the date of delivery.

    	 

    	 

    

 

Except the judgment,
ruling and conciliation statement, the court has the right to communicate with the Pledgor by any communication method agreed in Article
10. 2 for any notice sent to the Pledgor. The court has the right to choose the communication method it deems appropriate, and it is not
responsible for the transmission errors, omissions or delays in the mail, fax, telephone, telex or any other communication system. If
the court chooses multiple communication methods at the same time, the one which reaches the Pledgor sooner shall prevail.

▲▲
Article 11 Information Disclosure and Confidentiality

11. 1 For the undisclosed
information and materials of the Pledgor obtained and known during the signing and performance of this contract, the Pledgee shall not
violate laws, regulations and regulatory requirements when using the relevant information and materials, and shall bear the confidentiality
responsibility according to law, and shall not disclose the information and materials to the third party, except in the following circumstances:

(1) The disclosure
is required by applicable laws and regulations;

(2) The disclosure
is required by the judicial department or regulatory agency according to laws;

(3) When the Pledgor
fails to undertake the guarantee responsibility as agreed, the Pledgee needs to disclose to the external professional consultant of the
Pledgee and allow the external professional consultant of the Pledgee to use it on the basis of confidentiality in order to realize the
pledge right under this contract;

(4) The Pledgor agrees
or authorizes the Pledgee to disclose.

11.2 The Pledgor confirms
that it has signed the Authorization Letter for Credit Information Inquiry and Provision. The Pledgee shall inquire, use and save
the credit information of the Pledgor within the scope specified in the power of attorney.

    	 

    	 

    

 

11.3 In addition to
the circumstances specified in Article 11.1 and Article 11.2 of this contract, the Pledgor further agrees that Bank of Communications
Co., Ltd. can use or disclose the Pledgor’s information and materials under the following circumstances, including but not limited
to the Pledgor’s basic information, credit transaction information, bad information and other related information and materials,
and is willing to bear all the consequences arising therefrom:

To disclose and allow
such information and materials to be used on a confidential basis to business outsourcing institutions, third-party service providers,
other financial institutions and other institutions or individuals deemed necessary by the Pledgee, including but not limited to other
branches of Bank of Communications Co., Ltd. or wholly or partially owned subsidiaries of Bank of Communications Co., Ltd.: 1 develop
or be related to bank credit business, such as promoting the credit business of Bank of Communications Co., Ltd., collecting the Pledgor’s
arrears and transferring the creditor’s rights of bank credit business; 2 provide or possibly provide new products or services
or further services for the Pledgee to the Pledgor.

Whether this Article
11.3 is applicable or not shall be subject to the agreement of both parties in Article 20 of this contract.

Article 12 Law Application and Dispute
Resolution 

This contract shall
be governed by the laws of the People’s Republic of China (for the purpose of this contract, the laws of Hongkong, Macau and Taiwan
Province are not included). Disputes under this contract shall be brought to the court with jurisdiction where the Pledgee is located,
unless otherwise agreed in this contract. During the dispute, all parties shall continue to perform the clauses not involved in the dispute.

    	 

    	 

    

 

Article 13 Other Clauses

13.1 The annexes of
this contract and relevant documents and materials confirmed by both parties are integral parts of this contract.

13.2 This contract
shall come into force after the legal representative (person in charge) or authorized representative of the Pledgor signs (or seals) and
seals, and the person in charge of the Pledgee or authorized representative signs (or seals) and seals.

Article 14 Guaranteed Principal Contract
and Principal Creditor’s Rights 

14.1 The guaranteed
debtor is: Shaoguan Angrui Environmental Technology Development Co., Ltd.

14.2 Contract number
of the principal contract guaranteed by this contract: Yuejiao Yinshao 2019 Fixed Asset Loan No.002 Name: Fixed Assets Loan
Contract.

14.3 The guaranteed
principal creditor’s rights are the principal under the principal contract: (currency) CNY (amount in words) Eighty Million
only, and other specific contents are agreed in the principal contract.

Article 15 Pledge Object

The pledge object
is the accounts receivable agreed in Item (2) below (hereinafter referred to as “accounts receivable”).

(1) Accounts receivable
described in the “List of Pledged Accounts Receivable” attached to this contract.

(2) All income rights
(30 years from the effective date of the PPP project contract of this project) from the Housing and Urban-Rural Construction Bureau of
Wujiang District, Shaoguan City under the PPP project contract of “PPP Project of Domestic Waste and Wastewater Treatment Infrastructure
of Villages and Towns in Wujiang District” and its supplementary agreements undertaken by the Pledgor Shaoguan Angrui Environmental
Technology Development Co., Ltd., including but not limited to all receivable fees such as project service fees.

    	 

    	 

    

 

Article 16 Margin Account and Interest
Calculation Method (Not Applicable to This Contract)

16.1 Margin account
number opened by the Pledgor at the Pledgee is:    /   .

16.2 The interest
calculation method of the cash deposit is:    /   .

Article 17 Received Payments Account
(Applicable to This Contract)

The general settlement
account number opened by the Pledgor at the Pledgee is:

Name: Shaoguan
Angrui Environmental Technology Development Co., Ltd.

Account number: [*]

Bank of Account: Shaoguan
Branch of Bank of Communications Co., Ltd.

Article 18 Notification to the Payer
(Check One According to the Actual Business)

□
Article 5.1 of this contract is applicable and the Pledgor shall notify the payers of accounts receivable within    /   
days after signing this contract;

þ  Article
5.2 of this contract is applicable.

Article 19 Contact Information

The contact information
of the Pledger for receiving the notice agreed in Article 10 includes:

Address: Room
317, 3/F of Lingjiao Enterprise Office Building, West of Huanggangling, Chongxia Management Area, Longgui Town, Wujiang District, Shaoguan
City

Recipient: Li Jingquan

Postal code: 512000

Tel.: /                

Mobile phone number:
[*]

Fax: /                

Email address: [*]

Article 20 Other Agreed Matters

20.1
Both parties agree that Article 11.3 is R applicable
/ £ not applicable
to this contract. 

________________________________________________________________

________________________________________________________________

    	 

    	 

    

 

Article 21 The contract is made
in triplicate, one for each party.

The
Pledgor: Shaoguan Angrui Environmental Technology Development Co., Ltd.

Legal representative
(person in charge): Ma Xiongbing

Legal address: Room
317, 3/F of Lingjiao Enterprise Office Building, West of Huanggangling, Chongxia Management Area, Longgui Town, Wujiang District, Shaoguan
City

The
Pledgee: Shaoguan Branch of Bank of Communications Co., Ltd.

Person in charge:
Gao Yan

Communication address:
No. 27, Gongye Middle Road, Wujiang District, Shaoguan City

The Pledgor has read through all the terms of the contract, and the Pledgee
has made a detailed explanation at the request of the Pledgor. When the Pledgor signs this contract, it will have no doubts and objections,
and understand the meaning and legal consequences of the contract clauses, especially those marked with a ▲▲.

 

(There is no text below)

 

 

    	 

    	 

    

 

 

	
    The Pledgor (official
    seal):

    Shaoguan Angrui Environmental Technology Development
    Co., Ltd.
	
    The Pledgee (seal of the unit):

    Special Seal for Credit Business Contract of
    Shaoguan Branch of Bank of Communications Co., Ltd.

	
    Legal representative
    (person in charge) or authorized representative

    (Signature or
    seal)

    /s/ Ma Xiongbing
	
    Person in charge
    or authorized representative

    (Signature or seal)

    /s/ Gao Yan

	Signed on: August 29, 2019	Signed on: August 29, 2019

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    	 

    	 

    

List of
Pledged Accounts Receivable of Shaoguan Branch of Bank of Communications Co., Ltd.

August 29, 2019

	Name of the Pledgor: Shaoguan Angrui Environmental Technology Development Co., Ltd.
	Principal contract No.: Yuejiao Yinshao 2019 Fixed Asset Loan No.002	Pledge contract No.: Yue Jiaoyin Shao Gong 2019 Yingzhizi No.002
	S.N.	Name of basic transaction contract	Number of basic transaction contract	Payers of accounts receivable	Amount of accounts receivable	Date due of accounts receivable	Invoice No.	
    Remark

     

	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 
	Total	 	 	 	 	 	 	 
	
    Official seal of the Pledgor:

    Shaoguan Angrui Environmental Technology Development
    Co., Ltd.
	
    Unit seal of the Pledgee:

    Special Seal for Credit Business Contract of
    Shaoguan Branch of Bank of Communications Co., Ltd.

	Handled by: /s/ Li Jingquan	
     

    Handled by:

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