Document:

Exhibit 10.22

 

Buy-Back
Agreement

 

Party
A (Equity Transferor): Beijing Hongyuan Recycling Energy Investment Centre (Limited Partnership), with registered address of Room
09, Floor 6, Building 1, No. A 43, North Xizhimen Street, Haidian District, Beijing City.

 

Executive
Business Partner: Hongyuan Recycling Energy Investment Management (Beijing) Co., Ltd.

 

Entrusted
representative: Zhong Zhang

 

Party
B1 (Repurchase Party): Xi’an Zhonghong New Energy Technology Co., Ltd., with registered address of Room 1501, Building 23, Zone
J, Ziwei Tianyuan Dushi Community, New Industrial Park, High-tech Industries Development Zone, Xi’an City.

 

Legal
Representative: Geyun Wang

 

Party
B2 (Repurchase Party): Xi’an TCH Energy Technology Co., Ltd., with registered address of Room 1036, Building A, No. 86, Gaoxin
Road, High-tech Industries Development Zone, Xi’an City)

 

Authorized
Representative: Guohua Ku

 

Party
B3 (Repurchase Party): Guohua Ku

 

Party
B4 (Repurchase Party): Chonggong Bai (Party B1, B2, B3 and B4 are collectively referred as Party B)

 

Party
C (the Subject Company): Xi’an Hanneng Enterprises Management Consulting Co., Ltd. with registered address of Room 11609, Shuijindao,
Fenghui South Road, Zhangba Subdistrict Office, High-tech Industries Development Zone, Xi’an City, Shaanxi Province.

 

     

    

    

 

Whereas:

 

Party
A and Party B1 have entered into the Entrusted Loan Agreement. Party B2 and Party B3 also provided guarantees for the Entrusted
Loan Agreement. The parties have entered into the Loan Settlement Agreement on December 31, 2018. Party A is the sole shareholder
of Party C. To ensure rights and obligations of all parties, the Agreement below is hereby entered by all parties for the matters
regarding to equity repurchase on basis of equity, voluntary and negotiation:

 

I.
 Subject of Repurchase

 

1.
 The subject of repurchase in the Agreement: Subject I: all the equity of Party C held
by Party A; Subject II: the subject of the Collateral Payment under the Transfer Agreement of Fixed Assets of CDQ Waste Heat Power
Generation Project, i.e. the fixed assets of a CDQ waste heat power generation project of Boxing County Chengli Gas Supply Co.,
Ltd. (For details, refer to the subject list in the appendix of Agreement for Transfer of Fixed Assets of CDQ Waste Heat Power
Generation Project)

 

2.
 Party B1, Party B2, Party B3 and Party B4 shall bear unlimited joint and several liability
of the repurchase obligation, i.e. Party A shall be entitled to require all the four Party Bs to perform repurchase obligation
and require any party or some of the parties among Party Bs to perform all or partial repurchase obligations.

 

II.
Repurchase Price

 

1.
 The repurchase price of the Subject I is the higher one of (i) market price at the time
of buy-back at open market; or (ii) the Equity Payment amount plus its interest in accordance with the loan interest rate for
the corresponding period.

 

The
repurchase price calculated by Party B is the amount of the Equity Payment under the Loan Settlement Agreement signed by all parties,
i.e. RMB 247.066 million plus its interest in accordance with the loan interest rate for the corresponding period, among which,
the returns for less than one year is converted in proportion according to the duration actually passed when the payment of repurchase
price. Any and all the taxes and expenses that may be incurred to complete the above procedures shall be borne by Party B. The
calculation formula of equity repurchase price is as below:

 

Repurchase
price amount = [      ]×(1 + Bank coterminous loan rate × the number of days from loan settlement base date (included)
to the date of repurchase price payment (excluded)÷365)

 

    2

    

    

 

2.
 Repurchase price of the Subject II shall be the higher one of (i) market price at the
time of buy-back at open market; or (ii) the Collateral Payment amount of RMB 188.6394 million plus its interest in accordance
with the loan interest rate for the corresponding period (the calculated period is from the loan settlement date to the date of
payment of repurchase price). Calculating formula is the same as above.

 

3.
 All parties confirm when Party A requires Party B to repurchase the subject, Party B
shall accept the the subject as the current conditions may be, and shall not refuse to perform the repurchase obligation according
to the agreement on the ground that the subject has defects or other issues.

 

III.
Repurchase Conditions

 

Party
A shall be entitled to require Party B to perform repurchase obligation immediately or in designated period after the satisfaction
of any one of the conditions below (whichever comes the early):

 

1.
 Party A holds equity of the Subject Company until Dec. 31, 2021.

 

2.
 Before performing the repurchase obligation period as agreed in previous sections, Xi’an
Huaxin New Energy Co., Ltd. is delisted from NEEQ.

 

3.
  Any of Xi’an Huaxin New Energy Co., Ltd., Party B or their affiliated parties has substantial
credit problems, such as, it is not feasible to issue audit reports, or issuing an audit report without no-reservation opinions,
and the actual controller, executives or other person alleged to commit criminal offense and are transferred for prosecution(or
other conditions when Party A believes the occurrence of any major integrity issues).

 

4.
 If Party B1 fails to make the payment or interest as agreed in Entrusted Loan Agreement
or its Supplementary Agreement, the Extension Agreement, etc.

 

    3

    

    

 

5.
 In case of any substantial breach of transaction documents relevant to the Loan Settlement
Agreement (including but not limited to Loan Settlement Agreement, Equity Transfer Agreement, Mortgage Transfer Agreement, Entrusted
Loan Contract and all the guarantee contracts, supplementary contract and other commitments, etc. thereof) by Party B or any other
parties of the Loan Settlement Agreement.

 

All
Party B shall pay the lump-sum repurchase price to Party A within 30 days after the date of notice on repurchase obligation performance
requirement issued by Party A. The repurchase price shall be the price in the written notice of Party A.

 

IV.
 Transferability

 

1.
Party A shall be entitled to transfer all or part of the Subject I and Subject II held by Party A to any third party after the
execution of the agreement, no matter whether such third parties are affiliates of Party A. The transferee will inherit the rights
and obligations of Party A herein, and Party B shall still fulfill the repurchase obligation to the transferee in accordance with
the agreement herein.

 

2.
The rights and obligations relationship among Party B and the transferee of the subjects shall be stipulated separately among
Party B and transferee after Party A transfers such Subject I and II to the transferee, and Party A shall have no further relationships
with Party B.

 

V.
 Notice

 

All
parties confirm that all the issues relevant to the Agreement may be addressed to the contact information below. Each party shall
exercise due diligence on this aspect. If one party changes the information without notifying the other party in writing, the
notification given thereto to the older address shall be deemed to have been served. Each party shall not claim that the relevant
documents have not been served. For any disputes arising therefrom, all parties also agree to take this information as the address
information of notices for the litigation/arbitration agency.

 

	Name	 	Address	 	 	Contact Person	 	 	Cell Phone	 	 	Email	 
	    	 	 	    	 	 	 	      	 	 	 	       	 	 	 	       	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 

 

    4

    

    

 

VI.
 Liability for Breach of Contract

 

1.
 If one party fails or suspends to fulfill its obligations under the Agreement, or any
declarations and guarantees made by that party are untrue or inaccurate, such party is in breach of the Agreement.

 

2.
 The breaching party shall start to correct its non-performance behavior within 7 days
after receiving the written notice from the other party(s) (which shall reasonably specify the nature of the breach in detail)
and shall complete the correction within 30 days. Meanwhile, if any expenses, liabilities or losses of any party(s) due to the
breach of the Agreement of any party, the breaching party shall reimburse the non-breaching party(s) for any of such expenses,
liabilities or losses (including, but not limited to, the interest paid or lost as a result of the breach of contract and attorney’s
fees) and indemnify the non-breaching party from any damages.

 

3.
 Without restricting the general applicability of the above clauses, if Party B(s) fails(fail)
to fulfill its repurchase obligations on time as stipulated in the Agreement, Party B(s) shall pay Party A [3‰] the total
repurchase price as a liquidated damages per day for each delay until Party B(s) fully perform its repurchase obligations.

 

4.
Without restricting the general applicability of the above clauses, for untrue, inaccurate, incomplete or misleading statements
and guarantees by Party B and Party C under the transaction documents, or all losses, damages, liabilities, claims, procedures,
costs and expenses suffered by Party A and its affiliates, directors, partners, members, shareholders, employees, agents and representatives
(“reimbursed personnel”) due to violation of any other commitments or agreements in the transaction documents by Party
B or Party C, including expenses, fees reasonably incurred by the reimbursed personnel, in the investigation or assessment of
the lawsuit (collectively referred to as “loss”), Party B and Party C shall be jointly and severally liable for the
losses.

 

    5

    

    

 

VII.
 Applicable Laws

 

The
execution, validity, interpretation, performance, modification and termination of the Agreement and the settlement of disputes
shall be governed by the laws of Chinese Mainland.

 

VIII.
 Dispute Resolution

 

Any
dispute arising from or in connection with the Agreement shall be brought before the People’s Court with jurisdiction at the place
of Party A. In case of any conflict between the dispute jurisdiction agreement in the existing agreement and these in the agreement,
this Agreement shall prevail.

 

IX.
 Miscellaneous

 

1.
 All parties may also reach supplementary agreements on matters not covered in the Agreement.
Such supplementary agreements are part of the Agreement with equivalent legal effect to the Agreement.

 

2. The
Agreement shall take effect on the effective date of the Debt Agreement. If there is a fundamental breach of the Debt Agreement,
the Agreement shall be terminated. All parties may reach a new agreement on the performed obligations If failed to reach a new
agreement, everything shall be reverse to the original condition and the loss incurred thereby shall be borne by the breaching
party.

 

3.
 The Agreement is made in octuplicate, with each party holding one copy and Party A holding
the remained copies, which shall have the same legal effect.

 

    6

    

    

 

Intentionally
blank 

 

This
page is the signature page of the Repurchase Agreement, with no text

 

Party
A: Beijing Hongyuan Recycling Energy Investment Centre (Limited Partnership)

 

Party
B1: Xi’an Zhonghong New Energy Technology Co., Ltd.

 

Party
B2: Xi’an Tiankehua Energy Technology Co., Ltd.

 

Party
B3: KU Guohua

 

Party
B4: BAI Chonggong

 

Date:
December 29, 2018

 

 

7Exhibit 10.23

 

Equity
Transfer Agreement 

 

Party
A (Equity Transferor): Xi’an TCH Energy Technology Co., Ltd.

 

Party
B (Equity Transferee): Hongyuan Huifu Venture Capital Co., Ltd.

 

Whereas,
Party A is a shareholder of Hongyuan Recycling Energy Investment Management (Beijing) Co., Ltd. (“Subject Company”)
and holds 40% of the Subject Company with corresponding registered capital of RMB 4 million.

 

The
parties enter into this agreement to transfer Party A’s equity ownership of the Subject Company to Party B as follows:

 

One,
Equity Transfer

 

1.
Party A agrees to transfer its 40% equity ownership of the Subject Company to Party B.

 

2.
As of December 31, 2017, the audited net asset of the Subject Company is RMB 8,634,668.27, which is referred to this equity transfer,
so the transfer price is RMB 3,453,867.31.

 

3.
After the completion of the equity transfer, Party B shall be the sole shareholder of the Subject Company.

 

Two,
Industry and Commerce Registration Change and Closing

 

1.
Within [      ] business days after signing the agreement, Party A shall cooperate Party B to complete registration change at Industry
and Commerce Bureau.

 

2.
Party A and B shall assume its respective costs when any expenses incurred during the registration procedure.

 

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Three,
Party A’s Representation and Warranties

 

The
equity of the Subject Company held by Party A is Party A’s real and complete ownership, and has been fully paid-up with
no rights limitation. If any other third party claims that the equity transfer is invalid or revocable or other claims, and causes
property losses to Party B or the Subject Company, Party A shall bear all the losses to Party B and the Subject Company.

 

Four,
Liability for Breach of Contract

 

1.
If either party fails to perform or suspends/terminates the performance of its obligations hereunder, or if any representations
and warranties made by Party A are untrue or inaccurate, the party shall be deemed to have breached this agreement.

 

2.
The party in breach shall, within seven days upon receipt of a written notice from the other party in this regard (which shall
reasonably specify the nature of the breach in question), begin to correct the non-performance and shall complete the rectification
within thirty days. At the same time, if due to any party in violation of this agreement, the breaching party shall be responsible
for any costs or losses (including but not limited to payment or loss by default interest and legal fees, but does not include
any indirect loss) of the other party.

 

Five,
Disputes Resolution

 

Any
dispute arising from or in connection with this agreement shall be submitted to Beijing arbitration commission for arbitration
in accordance with its arbitration rules. The arbitration decision shall be final and binding upon both parties.

 

Six,
Others

 

1.
For matters not covered herein, the parties may also reach a supplementary agreement on the matters not covered herein. The supplementary
agreement shall be a part of this agreement and shall have the same legal effect as this agreement.

 

2.
This agreement shall come into force upon being signed/sealed by both parties.

 

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3.
This agreement is made in five originals, each one holds one and the others are kept by the Subject Company. Each original shall
have the same legal effect.

 

Party
A: Xi’an TCH Energy Technology Co., Ltd.

 

Legal
Respresentative or Authorized Representative: 

 

Party
B: Hongyuan Huifu Venture Capital Co., Ltd.

 

Legal
Respresentative or Authorized Representative: 

 

 

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