Document:

EX-4.20

 Exhibit 4.20 

Exclusive Call Option Agreement 
 This
Exclusive Call Option Agreement (hereinafter referred to as the “Agreement”) was entered into between the following parties on June 2021: 
  

	1.	 Certain shareholders of Suzhou Taicheng Supply Chain Co., Ltd. (hereinafter referred to as
“Parties A”) 

 Suzhou Xiecheng Trade Co., Ltd. 

Registered address: 1503e, Tianxi building, No. 161, Sanxiang Road, Suzhou 

 

	2.	 Xincheng (Shanghai) Information Technology Co., Ltd. (hereinafter referred to as “Party
B”) 

 Registered address: Floor 1, building 1, No. 977, Shangfeng Road, Pudong New Area, Shanghai 

 

	3.	 Suzhou Taicheng Supply Chain Co., Ltd. (hereinafter referred to as the “Company”)

 Registered address: Room 401, South B, No. 17 and 19, songxianzhou lane, Gusu District, Suzhou 

(In the Agreement, the aforesaid respective parties are individually referred to as a “Party” and collectively as the
“Parties”.) 
 Whereas: 
  

	(1)	 Parties A are registered shareholders of the Company who collectively hold 100% equity in the Company. For
details of the shareholding structure of the Company, please refer to Annex I. 

  

	(2)	 To the extent not in violation of the PRC Law, Parties A intend to transfer to Party B and/or any other entity
or individual designated by it all their equity in the Company, and Party B intends to accept such transfer. 

  

	(3)	 For the purpose of the foregoing equity transfer, Parties A agree to grant Party B the exclusive and
irrevocable Equity Transfer Option. Pursuant to such Equity Transfer Option, at Party B’s request, Parties A shall, to the extent permitted by the PRC Law, transfer the Option Equity (as defined below) to Party B and/or any other entity or
individual designated by Party B pursuant to the provisions of the Agreement. 

 Therefore, the Parties, upon negotiation, arrive
at the following agreement: 

 Article 1 Definitions 

 

	1.1	 Save as otherwise interpreted pursuant to the context, the following terms shall have the following meanings in
the Agreement: 

  

			
		
	“PRC Law”:	  	shall mean the then effective laws, administrative regulations, administrative rules, local regulations, judicial interpretations and other binding regulatory documents of the People’s Republic of China (excluding Hong Kong
Special Administrative Region, Macau Special Administrative Region and Taiwan for the purpose of the Agreement).
		
	“Equity Transfer Option”:	  	shall mean the option granted by Parties A to Party B to purchase the equity in the Company held by Parties A pursuant to the terms and conditions of the Agreement.
		
	“Option Equity”:	  	shall mean, in respect of Parties A, 100% equity in the Company Registered Capital (as defined below) held by them.
		
	“Company Registered Capital”:	  	shall mean the registered capital of the Company of RMB10,000,000 as of the date of execution of the Agreement, which also includes any expanded registered capital as a result of any capital increase in any form within the validity
period of the Agreement.
		
	“Target Equity”:	  	shall mean the equity in the Company which Party B has the right to request Parties A to transfer to it or its designated entity or individual in accordance with Article 3 hereof when Party B exercises its Equity Transfer Option,
the quantity of which may be all or part of the Option Equity and the specific amount of which shall be determined by Party B at its sole discretion in accordance with the then effective PRC Law and based on its commercial consideration.
		
	“Exercise of Option”:	  	shall mean the exercise of the Equity Transfer Option by Party B.
		
	“Transfer Price”:	  	shall mean all the consideration that Party B or its designated entity or individual is required to pay to Parties A in order to obtain the Target Equity upon each Exercise of Option.
		
	“Business Permits”:	  	shall mean any approvals, permits, filings and registrations, etc. which the Company is required to have for legally and validly operating all its businesses, including but not limited to Business License and other relevant permits
and licenses as required by the then effective PRC Law.
		
	“Material Agreement”:	  	shall mean any agreement to which the Company is a party and which has a material impact on the business or assets of the Company.
		
	“Exercise Notice”:	  	shall have the meaning ascribed thereto under Article 3.5 hereof.
		
	“Confidential Information”:	  	shall have the meaning ascribed thereto under Article 7.1 hereof.
		
	“Defaulting Party”:	  	shall have the meaning ascribed thereto under Article 10.1 hereof.
		
	“Default”:	  	shall have the meaning ascribed thereto under Article 10.1 hereof.
		
	“Such Rights”:	  	shall have the meaning ascribed thereto under Article 11.5 hereof.

  

	1.2	 The references to any PRC Law herein shall be deemed: 

	 	(1)	 simultaneously to include the references to the amendments, changes, supplements
and re-enactment of such PRC Law, irrespective of whether they take effect before or after the execution of the Agreement; and 

 

	 	(2)	 simultaneously to include the references to other decisions, notices and regulations enacted in accordance with
stipulation of PRC laws or effective as a result thereof. 

  

	1.3	 Except as otherwise stated in the context herein, all references to an article, clause, item or paragraph
herein shall refer to the corresponding part of the Agreement. 

 Article 2 Grant of Equity Transfer Option 

 

	2.1	 Parties A hereby agree to grant Party B an irrevocable, unconditional and exclusive Equity Transfer Option.
Pursuant to such Equity Transfer Option, Party B is entitled to, to the extent permitted by the PRC Law, request Parties A to transfer the Option Equity to Party B or its designated entity or individual according to the terms and conditions of the
Agreement. Party B also agrees to accept such Equity Transfer Option. 

  

	2.2	 The Company hereby agrees that Parties A grant such Equity Transfer Option to Party B according to Article 2.1
above and other provisions of the Agreement. 

 Article 3 Method of Exercise of Option 

 

	3.1	 Subject to the terms and conditions of the Agreement, Party B shall have the absolute sole discretion to
determine the specific time, method and times of its Exercise of Option to the extent permitted by the PRC Law. 

  

	3.2	 Subject to the terms and conditions of the Agreement and to the extent not in violation of the then effective
PRC Law, Party B shall have the right to, at any time, request to acquire all or part of the Company’s equity from Parties A by itself or through other entity or individual designated by it. 

 

	3.3	 With regard to the Equity Transfer Option, at each Exercise of Option, Party B shall have the right to
arbitrarily determine the amount of the Transferred Equity which shall be transferred by Parties A to Party B and/or other entity or individual designated by it. Parties A shall transfer the Target Equity to Party B and/or other entity or individual
designated by it in the amount requested by Party B. Party B and/or other entity or individual designated by it shall pay the Transfer Price with respect to the Target Equity acquired at each Exercise of Option to Parties A transferring such Target
Equity. 

  

	3.4	 At each Exercise of Option, Party B may acquire the Target Equity by itself or designate any third party to
acquire all or part of the Target Equity. 

	3.5	 Having decided each Exercise of Option, Party B shall issue to Parties A a notice for exercising the Equity
Transfer Option (hereinafter referred to as “Exercise Notice”, the form of which is set out in Annex II hereto). Parties A shall, upon receipt of the Exercise Notice, forthwith make
a one-time transfer of all the Target Equity of the amount specified in the Exercise Notice in accordance with the Exercise Notice to Party B and/or any other entity or individual designated by Party
B in such method as described in Article 3.3 hereof. 

 Article 4 Transfer Price 

 

	4.1	 With regard to the Equity Transfer Option, Party B or any entity or individual designated by the it shall pay
the corresponding Transfer Price which shall be the lowest price permitted by the then effective PRC laws and regulations to Parties A in proportion to the corresponding ownership ratio at each Exercise of Option before it requests Parties A to
complete the relevant industrial and commercial registration of changes for equity transfer. Parties A agree that once such Transfer Price is received, they will (i) repay the loans under the Loan Agreement (including the its amendments,
supplements or restatements from time to time) executed on the same day as the Agreement to Parties A and Party B with the Transfer Price, and/or (ii) return it legally to Party B or any entity or individual designated by Party B.

 Article 5 Representations and Warranties 

 

	5.1	 Parties A hereby severally and jointly represent and warrant that: 

 

	 	(1)	 If they are Chinese citizens or limited liability companies, they have full capacity for civil conduct and
civil rights, have independent legal status, are duly authorized to execute, deliver and perform the Agreement and may act as the subject of litigation independently. If they are other organizations, they are duly authorized to execute, deliver and
perform the Agreement and may act as the subject of litigation independently. 

  

	 	(2)	 They have the full power and authority to execute, deliver and perform the Agreement and all other documents
relating to the transaction specified herein and to be executed by them. They have the full power and authority to consummate the transaction specified herein. The execution and performance of the Agreement do not violate or conflict with all
applicable laws in force, any agreement to which they are parties or which binds on their assets, any court judgement, any arbitration award, or any decision of administrative authorities. 

 

	 	(3)	 This Agreement is legally and duly executed and delivered by Parties A. This Agreement shall constitute their
legal and binding obligations and may be enforceable against them in accordance with the terms of the Agreement. 

	 	(4)	 Parties A are the registered legitimate owners of the Option Equity as of the effective date of the Agreement,
and except for the pledge set under the Equity Pledge Agreement (including its amendments, supplements or restatements from time to time) signed by Party B and Parties A on the same day as the Agreement and entrusted rights set
under the Shareholders’ Voting Right Entrustment Agreement (including its amendments, supplements or restatements from time to time) signed on the same day as the Agreement, the Option Equity is free from and
clear of any lien, pledge, claim and other rights to secured properties and third party rights. Pursuant to the Agreement, Party B and/or other entity or individual designated by it may, after the Exercise of Option, acquire a good title to the
Target Equity, free from and clear of any lien, pledge, claim and other rights to secured properties or third party rights. 

  

	 	(5)	 Unless as mandatorily required by the PRC Law, Parties A shall not request the Company to declare the
distribution of or in practice release any distributable profit, bonus or dividend; Parties A shall, in compliance with the PRC Law, promptly gift any profit, bonus or dividend obtained by them from the Company after the execution of the Agreement
to Party B and/or any qualified entity or individual designated by Party B (after deducting relevant taxes). 

  

	5.2	 Party B hereby represents and warrants that: 

 

	 	(1)	 Party B is a wholly foreign-owned enterprise duly incorporated and legally existing under the PRC Law with an
independent legal personality. Party B has the complete and independent legal status and legal capacity to execute, deliver and perform the Agreement and may act as the subject of litigation independently. 

 

	 	(2)	 Party B has the full internal corporate power and authority to execute, deliver and perform the Agreement and
all other documents relating to the transaction specified herein and to be executed by it. It has the full power and authority to consummate the transaction specified herein. 

 

	 	(3)	 This Agreement is legally and duly executed and delivered by Party B. This Agreement shall constitute the legal
and binding obligation against it. 

 Article 6 Undertakings by Parties A 

 

	6.1	 Parties A hereby severally undertake that: 

 

	 	6.1.1	 Within the validity period of the Agreement, without Party B’s prior written consent:

  

	 	(1)	 Parties A shall not transfer or otherwise dispose of any Option Equity or create any right to secured property
or other third party rights on any Option Equity; 

  

	 	(2)	 they shall not increase or decrease the Company Registered Capital or cause the Company to be merged with any
other entity; 

  

	 	(3)	 they shall not dispose of or cause the management of the Company to dispose of any material Company assets
(excluding those generated during normal operation); 

	 	(4)	 they shall not terminate or cause the management of the Company to terminate any Material Agreement entered
into by the Company, or enter into any other agreement in conflict with the existing Material Agreements; 

  

	 	(5)	 they shall not appoint or remove and replace any director or supervisor of the Company or any other management
personnel of the Company who shall be appointed or removed by Parties A; 

  

	 	(6)	 they shall not cause the Company to declare the distribution of or in practice release any distributable
profit, bonus or dividend; 

  

	 	(7)	 they shall not cause the Company to be terminated, liquidated or dissolved; 

 

	 	(8)	 they shall not amend the articles of association of the Company; and 

 

	 	(9)	 they shall ensure that the Company will not lend or borrow any money (except as required in the ordinary course
of business), or provide any warranty or engage in guarantee activities in any other form, or bear any substantial obligations other than those incurred during normal operation. 

 

	 	6.1.2	 Within the validity period of the Agreement, Parties A will not engage in any act or omission which may damage
the Company Assets and goodwill or affect the validity of the Business Permits of the Company. 

  

	 	6.1.3	 Within the validity period of the Agreement, Parties A shall promptly notify Party B of any circumstances that
may have a material adverse effect on the existence, business operations, financial position, assets or goodwill of the Company. 

  

	 	6.1.4	 Once Party B gives the Exercise Notice: 

 

	 	(1)	 Parties A shall promptly take all necessary actions to transfer all the Target Equity at the Transfer Price to
Party B and/or any other entity or individual designated by Party B, and waive any right of first refusal enjoyed by them (if any); 

  

	 	(2)	 Parties A shall promptly enter into an equity transfer agreement with Party B and/or any other equity or
individual designated by Party B to agree to transfer all the Target Equity at the Transfer Price to Party B and/or any other entity or individual designated by Party B, and provide necessary support to Party B (including causing the Company to
convene a shareholders’ meeting to pass the resolutions on equity transfer, provision and execution of all relevant legal documents, performance of all government approval and registration procedures and assumption of all relevant obligations)
in accordance with Party B’s requirements and laws and regulations so that Party B and/or any other entity or individual designated by Party B may acquire all the Target Equity, free from and clear of any legal defect or any right to secured
property, third party restriction created by Parties A or any other restrictions. 

 Article 7 Confidentiality Obligations 

 

	7.1	 During the term of the Agreement and upon the termination of the Agreement, any of the Parties shall keep
strictly confidential all the trade secrets, proprietary information, customer information and all other information of a confidential nature about the other Parties coming to its knowledge during execution and performance of the Agreement
(hereinafter collectively referred to as the “Confidential Information”). Unless a prior written consent is obtained from the Party disclosing the Confidential Information or unless it is required to be disclosed to third
parties according to relevant laws and regulations or the requirement of the place where a Party’s affiliate is listed, the Party receiving the Confidential Information shall not disclose to any other third party any Confidential Information.
The Party receiving the Confidential Information shall not use or indirectly use any Confidential Information other than for the purpose of performing the Agreement. 

 

	7.2	 The following information shall not be deemed part of the Confidential Information: 

 

	 	(1)	 any information previously known by the Party receiving the information through legal means as proved by
documentary evidence; 

  

	 	(2)	 information that enters the public domain not due to the fault of the Party receiving the information; or

  

	 	(3)	 any information lawfully acquired by the Party receiving the information through other sources after its
receipt of such information. 

  

	7.3	 The Party receiving the information may disclose the Confidential Information to its relevant employees, agents
or professionals engaged by it. However, the Party receiving the information shall enter into confidentiality agreement or relevant commitment letter with the aforesaid persons to ensure that they comply with the relevant terms and conditions of the
Agreement, and shall be responsible for any liability incurred as a result of such persons’ breach of the relevant terms and conditions of the Agreement. 

 

	7.4	 Notwithstanding any other provisions herein, the effect of this article shall not be affected by termination of
the Agreement. 

 Article 8 Duration of the Agreement 

 

	8.1	 This Agreement shall take effect after being duly executed by the Parties, and terminate after all the Option
Equity are lawfully transferred to Party B and/or any other entity or individual designated by Party B pursuant to the provisions of the Agreement, unless the Parties agree otherwise. 

 Article 9 Notices 

 

	9.1	 Any notice, request, demand and other correspondences required by the Agreement or made in accordance with the
Agreement shall be delivered in writing to the relevant Party. 

  

	9.2	 Any notice hereunder shall be sent to the following addresses (unless changes of address are notified in
writing) by personal delivery, facsimile or registered mail. It shall be deemed as served on the date of receipt recorded on the receipt of the registered mail if posted by registered mail; it shall be deemed as served on the date of transmission if
delivered in person or transmitted by facsimile. If it is transmitted by facsimile, the original shall be sent to the following addresses by registered mail or personal delivery. 

Party B: Xincheng (Shanghai) Information Technology Co., Ltd. 

Address: Floor 1, building 1, No. 977, Shangfeng Road, Pudong New Area, Shanghai 

Tel: *********** 
 Email:
*********** 
 Recipient: Minhao Zhou 

Party A: Suzhou Xiecheng Trade Co., Ltd. 

Address: 1503e, Tianxi building, No. 161, Sanxiang Road, Suzhou 

Fax: 
 Tel: *********** 

Email: *********** 
 Company:
Suzhou Taicheng Supply Chain Co., Ltd. 
 Address: Room 401, South B, No. 17 and 19, songxianzhou lane, Gusu District, Suzhou 

Tel: *********** 
 Email:
*********** 
 Recipient: Xin Zhu 

Article 10 Default Liability 
  

	10.1	 The Parties agree and confirm that, if any of the Parties (hereinafter referred to as
the “Defaulting Party”) substantially violates any provision of this agreement or substantially fails to perform or delays performance of any of the obligations hereunder, such violation, failure or delay shall constitute a
default under the Agreement (hereinafter referred to as “Default”). The non-defaulting Party shall have the right to request the Defaulting Party to rectify such Default or take remedial
actions within a reasonable period. If the Defaulting Party fails to rectify such Default or take remedial actions within the reasonable period or within ten (10) days after
the non-defaulting Party notifies the Defaulting Party in writing requesting the Default to be rectified, then the non-defaulting Party is entitled
to decide at its own discretion that: 

	 	(1)	 if any of Parties A is the Defaulting Party, Party B shall be entitled to terminate the Agreement and require
the Defaulting Party to compensate for the damages; 

  

	 	(2)	 if Party B is the Defaulting Party, the non-defaulting Party
shall be entitled to require the Defaulting Party to compensate for the damages, but unless otherwise stipulated by laws or agreed among all Parties, the non-defaulting Party has no right to
terminate or cancel the Agreement in any circumstances. 

  

	10.2	 Notwithstanding any other provisions herein, the effect of this article shall not be affected by termination of
the Agreement. 

 Article 11 Miscellaneous 

 

	11.1	 This Agreement is written in Chinese and executed in duplicate originals, with one (1) original to be
retained by each Party hereto. 

  

	11.2	 The execution, effectiveness, performance, revision, interpretation and termination of the Agreement shall be
governed by the PRC Law. 

  

	11.3	 Any dispute arising out of and in connection with the Agreement shall be resolved through negotiation among the
Parties. In case the Parties fail to reach an agreement within thirty (30) days after the dispute arises, such dispute shall be submitted to Shanghai Arbitration Commission for arbitration in Shanghai in accordance with such Commission’s
arbitration rules in effect at the time. The language used in arbitration shall be Chinese and the arbitration award shall be final and equally binding on the Parties hereto. 

 

	11.4	 None of the rights, powers or remedies granted to any Party by any provision herein shall preclude any other
rights, powers or remedies available to such Party at law and under the other provisions of the Agreement. In addition, a Party’s exercise of any of its rights, powers and remedies shall not exclude such Party from exercising any of its other
rights, powers and remedies. 

  

	11.5	 No failure or delay by a Party in exercising any rights, powers and remedies available to it hereunder or at
law (hereinafter referred to as “Such Rights”) shall result in a waiver of Such Rights, nor shall the waiver of any single or part of Such Rights shall exclude such Party from exercising Such Rights in any other way and
exercising other Such Rights. 

  

	11.6	 The Annexes set forth in this contract is an integral part of it and shall have the same legal effect as the
provisions of the main body of it. 

  

	11.7	 The headings of the provisions herein are for reference only, and in no event shall such headings be used for
or affect the interpretation of the provisions hereof. 

	11.8	 Each provision contained herein shall be severable and independent from each of the other provisions. If any
one or more provisions herein become(s) invalid, illegal or unenforceable at any time, the validity, legality and enforceability of the remaining provisions herein shall not be affected as a result thereof. 

 

	11.9	 This Agreement, once executed, shall supersede any other legal documents previously executed by and among the
Parties with respect to the subject hereof. Any amendment or supplement hereto shall be made in writing and shall become effective only upon due execution by the Parties hereto. 

 

	11.10	 Without the prior written consent of Party B, Parties A or the Company shall not transfer any of their rights
and/or obligations hereunder to any third party; Parties A and the Company hereby agree that Party B shall have the right to transfer any of its rights and/or obligations hereunder to any third party after notifying Parties A and the Company in
writing. 

  

	11.11	 This Agreement shall be binding on the legal assignees or successors of the Parties. 

[The remainder of this page is intentionally left blank] 

 [Signature Page of Exclusive Call Option Agreement] 

IN WITNESS WHEREOF, the following Parties have executed this Exclusive Call Option Agreement on the date first above written. 

Xincheng (Shanghai) Information Technology Co., Ltd. 
 (Seal)

 /s/ Seal of Xincheng (Shanghai) Information Technology Co., Ltd. 
  

			
	Signature:	 	 /s/ Nichole Jiang

	Name:	 	Nichole Jiang
	Title:	 	Legal representative General Manager

 Suzhou Taicheng Supply Chain Co., Ltd. 

(Seal) 
 /s/ Seal of Suzhou Taicheng Supply Chain Co., Ltd. 

 

			
	Signature:	 	 /s/ Xin Zhu

	Name:	 	Xin Zhu
	Title:	 	General Manager

  

	
	Suzhou Xiecheng Trade Co., Ltd.
	(Seal)
	
	/s/ Seal of Suzhou Xiecheng Trade Co., Ltd.

  

			
	Signature:	 	 /s/ Xin Zhu

	Name:	 	Xin Zhu
	Title:	 	General Manager

 Annex I: 

General Information of the Company 

Company name: Suzhou Taicheng Supply Chain Co., Ltd. 

Ownership structure: 
  

									
	 Names of shareholders
	  	Contribution in the
Company Registered
Capital (RMB)	 	  	Shareholding
percentage	 
	 Suzhou Xiecheng Trade Co., Ltd.
	  	 	10,000,000	 	  	 	100.00	% 
		  	  
	  
	 	  	  
	  
	 
	 Total
	  	 	10,000,000	 	  	 	100.00	% 
		  	  
	  
	 	  	  
	  
	 

 Annex II: 

Form of Exercise Notice 
 To:
[Names of Parties A] 
 Whereas: we entered into an Exclusive Call Option Agreement (the “Option Agreement”) with you and Suzhou Taicheng
Supply Chain Co., Ltd. (the “Company”) on [•] stipulating that you shall transfer the equity you hold in the Company to us or any third party designated by us at our request to the extent permitted by the PRC laws and
regulations. 
 Therefore, we hereby give this notice to you as follows: 

We hereby require to exercise the Equity Transfer Option under the Option Agreement and we/[•] [name of company/individual] designated by us will
acquire the [•]% of the equity you hold in the Company (the “Proposed Acquired Equity”). Upon your receipt of this notice, you shall immediately transfer all the Proposed Acquired Equity to us/[name of designated
company/individual] pursuant to the provisions of the Option Agreement and complete the necessary industrial and commercial registration of changes or other procedures. 

Best regards 
  

			
	 Suzhou Taicheng Supply Chain Co., Ltd.

(Seal)

		
	Authorized representative:	 	  

		
	Date:EX-4.21

 Exhibit 4.21 

Exclusive Technical Consulting and Service Agreement 

The Exclusive Technical Consulting and Service Agreement (hereinafter referred to as the “Agreement”) was entered into by and between
the parties hereunder in Shanghai, the People’s Republic of China (hereinafter referred to as “PRC”) on June 2021: 
  

	(1)	 Xincheng (Shanghai) Information Technology Co., Ltd., a wholly foreign-owned limited liability company
incorporated under the PRC law with registered address of Floor 1, building 1, No. 977, Shangfeng Road, Pudong New Area, Shanghai and legal representative of Nichole Jiang (hereinafter referred to as “Party A”); and

  

	(2)	 Suzhou Taicheng Supply Chain Co., Ltd., a limited liability company incorporated under the PRC law with
registered address of Room 401, South B, No. 17 and 19, songxianzhou lane, Gusu District, Suzhou and legal representative of Xin Zhu (hereinafter referred to as “Party B”). 

(In the Agreement, Party A and Party B may be individually referred to as a “Party” and collectively as
the “Parties”). 
 WHEREAS: 

Party B intends to employ Party A to provide technology support and consulting services for Party B. 

NOW THEREFORE, upon friendly negotiation, the Parties agreed as follows: 

Article 1 Definition 
  

	1.1	 Unless otherwise understood in the terms or context of the Agreement, the following terms in the Agreement
shall have the following meanings: 

  

			
	 “Party B’s Business”
	  	All businesses that Party B is operating and developing currently and at any time during the term of the Agreement.
		
	 “Service”
	  	 The services provided by Party A to Party B relating to Party B’s business. Such services include, but are not limited to:

 
 (1)   technical support related
to Party B’s business, including but not limited to biotechnology research and development, computer software development, medical equipment leasing, maintenance, research and development and technical services;

 
 (2)   providing professional
consulting services related to Party B’s business;
  

(3)   providing training to Party B’s technical and business staff;

 

			
		  	  

(4)   providing labor support at the request of Party B, including but not limited to lending or
dispatching relevant staff;
  

(5)   providing market research, planning and development services;

 

		  	 (6)   providing business planning and business strategy (advisory advice); and

 
 (7)   providing customer
support and development services (advisory advice).
  

	 “Service Team”
	  	A team established by Party A for providing services under the Agreement to Party B; these members include the staff, third-party consultants and other workers hired by Party A.
		
	 “Service Fee”
	  	All expenses that Party B shall pay to Party A for the services provided by Party A in accordance with Article 3 of the Agreement.
		
	 “Operating Income”
	  	The income earned by Party B from operating its business during the year recorded in the “main business revenue” column of the audited balance sheet of Party B in accordance with the PRC accounting standards for any year
during the validity of the Agreement.
		
	 “Annual Business Plan”
	  	Party B’s business development plan and budget report for the next calendar year formulated by Party B according to the Agreement before November 30 each year under the assistance of Party A.
		
	 “Equipment”
	  	Any and all equipment owned and purchased by Party A from time to time and used for the purpose of providing services.

  

	1.2	 The reference to any law or regulation (hereinafter referred to as
the “ law”) in the Agreement shall be deemed as: (1) including the contents of the amendments, alterations, additions and re-enactment of these laws, regardless
of their effective time before or after the conclusion of the Agreement; and (2) including reference to other decisions, notices and regulations that have been formulated according to the provisions thereof or are effective as a result of the
provisions thereof. 

  

	1.3	 Unless otherwise indicated in the context of the Agreement, the clauses, sections, items and paragraphs
referred to in the Agreement shall refer to the corresponding contents of the Agreement. 

 Article 2 Services of Party
A 
  

	2.1	 In order to better carry out the business, Party B needs Party A to provide services and Party A agrees to
provide Party B with such services. For this purpose, Party B appoints Party A as its exclusive consulting and services provider. Party A shall exclusively provide Party B with the services defined in the Agreement, and Party A agrees to accept such
appointment. 

	2.2	 Party A shall provide services to Party B in accordance with the terms of the Agreement, and Party B shall
provide convenience for Party A’s services as far as possible. 

  

	2.3	 Party A shall be equipped with various equipment and service teams that are reasonably required for the
provision of services and buy and purchase new equipment and hire new employees according to the annual business plan and reasonable requirements of Party B to satisfy the need of Party A’s provision of excellent services to Party B according
to the Agreement. However, Party A may, at its discretion, replace any member of the service team, or change the specific service responsibilities of any member of the service team from time to time, provided that the replacement of such members or
the change of service responsibilities will not have material adverse effect on Party B’s daily operations. 

  

	2.4	 Notwithstanding the other provisions of the Agreement, Party A shall have the right to independently designate
any third party to provide any or all of the services under the Agreement, or to perform any of Party A’s obligations under the Agreement on behalf of Party A. Party B hereby agrees that Party A has the right to transfer its rights and
obligations under the Agreement to any third party. 

 Article 3 Service Fees 

 

	3.1.	 In respect of the services provided by Party A pursuant to the Agreement, Party B shall pay Party A the service
fees by the method hereunder: 

  

	 	3.1.1	 The service fees which are equivalent to a certain percentage of the revenue of Party B; the specific
proportion is adjusted once a year, and shall be determined through negotiation by the two Parties according to the relevant resolutions of respective boards; and 

 

	 	3.1.2	 Service fees for specific services provided by Party A from time to time at Party B’s request as otherwise
agreed between the Parties. 

  

	3.2.	 Party B shall fully pay the service fees determined in accordance with Article 3.1.1 to Party A’s
designated bank account within three months after the end of each calendar year. After the end of each fiscal year of Party B, Party A and Party B shall calculate the service fees actually payable by Party B based on the total amount of Party
B’s operating income of the previous year confirmed by the audit report issued by the Chinese certified public accountant recognized by both Parties. Party B shall pay Party A the corresponding service fee within fifteen (15) working days
after the audit report is issued. Party B promises to Party A that it will provide all the required information and assistance to the above CPA, and procure it to complete and issue an audit report for the previous year to both Parties within thirty
(30) working days at the end of each calendar year. If Party A changes its bank account number, Party A shall send a written notice to Party B seven (7) workdays in advance. 

	3.3.	 The Parties agree that payment of the above service fees should in principle not cause difficulties in
operation of Party B in the current year. For the above purposes and within the limit of achieving the above principle, Party A may agree to delay the payment of service fees by Party B or, upon mutual negotiation, the proportion and/or the specific
amount of the service fees to be paid by Party B to Party A under Article 3.1 may be adjusted in writing. If Party B does not make a profit in the current year, Party A shall not charge the service fee for that year. 

 

	3.4.	 The amount and payment method of the service fees that Party B should pay to Party A under Article 3.1.2 shall
be otherwise determined in writing according to the nature of the service and the workload. 

 Article 4 Obligations of
Party B 
  

	4.1	 The services provided by Party A under the Agreement are exclusive. During the term of the Agreement, without
the prior written consent of Party A, Party B shall not enter into any written agreement or verbal agreement or other arrangements with any other third party in order to engage such third party to provide other services that are the same or similar
to the services provided by Party A under the Agreement. The Parties agree that Party A may designate a third party to provide Party B with the services agreed in the Agreement. For the avoidance of doubt, the Agreement does not restrict Party A
from providing any goods and / or services to third parties other than Party B. 

  

	4.2	 Party B shall provide Party A with Party B’s confirmed annual business plan for the next year before
November 30 each year, so that Party A can arrange the corresponding service plan and purchase the required software and equipment, hire personnel and buy technical service capacity. If Party B temporarily requires Party A to purchase equipment
or hire staff, it shall consult with Party A fifteen (15) days in advance to reach a consensus between the Parties. 

  

	4.3	 In order to facilitate Party A’s provision of services, Party B shall, at Party A’s request, provide
Party A with the required information in an accurate and timely manner. 

  

	4.4	 Party B shall pay Party A the service fees on time and in full according to the provisions of Article 3 herein.

  

	4.5	 Party B shall maintain its good reputation and proactively expand business to maximize revenue.

  

	4.6	 The Parties hereby confirm that according to the terms and conditions of the Equity Pledge Agreement (including
revisions, additions or restatements from time to time) at the time of signing of the Agreement and Party A on the same day as the Agreement, Suzhou Xiecheng Trade Co., Ltd. have pledged its equity respectively held in Party B to Party A to
guarantee the performance of the obligations of Party B under the Agreement. 

  

	4.7	 During the term of the Agreement, Party B agrees to cooperate with Party A and its (direct or indirect) parent
company to conduct related party transaction audits and other types of audits, and provide Party A, its parent company, or its authorized auditors with operations, business, customers, finances, employees, and other relevant information and
materials related to Party B, and agrees that Party A’s parent company discloses such information and materials to meet the regulatory requirements of the securities listing market of such parent company. 

 Article 5 Intellectual Property 

 

	5.1	 Insofar as permitted by applicable laws and regulations of the People’s Republic of China at the time, the
intellectual property rights of the achievements made by Party A in the course of providing the services under the Agreement or the intellectual property rights (including but not limited to copyrights, patents, patent application rights, trademark
rights, technical secrets, trade secrets, and others) developed by Party B based on Party A’s intellectual property rights shall be owned by Party A. If PRC applicable laws and regulations clearly stipulate that such intellectual property
rights shall not be owned by Party A, the intellectual property rights shall be firstly owned by Party B and the exclusive use license shall be granted to Party A. When PRC laws and regulations permit the ownership by Party A, Party B shall transfer
it to Party A at the lowest consideration permitted by law; if the law has no restriction on such minimum transfer price by then, Party B shall agree to transfer the ownership of the intellectual property rights unconditionally and assist Party A in
completing all government registration formalities for change of the intellectual property rights owner. 

  

	5.2	 For the purpose of performing the Agreement, Party B may use the work achievements created by Party A in the
course of providing the services under the Agreement in accordance with the provisions of the Agreement; nonetheless, the Agreement does not in any way permit Party B to use such work achievements in any way for any other purposes.

  

	5.3	 Either Party guarantees to the other Party that it will compensate the other Party for any and all economic
losses caused to the other Party due to any infringement of other’s intellectual property rights (including copyrights, trademark rights, patent rights and proprietary technology). 

Article 6 Confidentiality Obligations 
  

	6.1	 During the term of the Agreement, all customer information and other relevant information (hereinafter referred
to as “Customer Information”) related to Party B’s business and Party A’s services shall be owned by Party A. 

  

	6.2	 Regardless of whether the Agreement is terminated, the Parties shall keep the other Party’s trade secrets,
proprietary information, Customer Information and other relevant information, as well as non-public information of any other Party (hereinafter referred to as “Confidential
Information”) obtained during the conclusion and performance of the Agreement strictly confidential. The Party receiving the Confidential Information (hereinafter referred to as the “Recipient”) shall not disclose the
Confidential Information or any part thereof to any other third party except for the prior written consent of the other Party or disclosure as required by the relevant laws and regulations as well as the rules of the relevant stock exchange. The
Recipient shall not use or indirectly use the Confidential Information or any part thereof, except for the purpose of performing the Agreement. 

	6.3	 The following information is not confidential: 

 

	 	(1)	 any information previously known by the Recipient through legal means as proved by documentary evidence;

  

	 	(2)	 information that entered the public domain not due to the fault of the Recipient or is known to the public due
to other reasons; or 

  

	 	(3)	 The information legally obtained by the Recipient from other sources afterwards. 

 

	6.4	 The Recipient may disclose Confidential Information to its employees and agents concerned or professionals it
hired; nevertheless, the Recipient shall ensure that the above persons are bound by the Agreement, so that the Confidential Information is kept confidential, and they only use the Confidential Information for the purpose of performing the Agreement.

  

	6.5	 Once the Agreement is terminated, the Recipient of the Confidential Information shall return any documents,
data or software containing Confidential Information to the original owner or provider of Confidential Information, or destroy such documents, data or software with the consent of the original owner or provider, including deletion of any
Confidential Information from any related storage device, and may not continue to use such Confidential Information. 

  

	6.6	 The Parties agree that this article will continue to be valid regardless of whether the Agreement is changed,
cancelled or terminated. 

 Article 7 Undertaking and Guarantee 

 

	7.1	 Party A hereby declares and guarantees as follows: 

 

	 	(1)	 It is a limited liability company duly incorporated and legally existing under the law of the place of
registration. It has an independent legal personality and has the complete and independent legal status and legal capacity to execute, deliver and perform the Agreement and may act as the subject of litigation independently; 

 

	 	(2)	 It has full internal powers and authorizations for the signing and delivery of the Agreement and all other
documents relating to the transactions referred to in the Agreement that it will sign, and it has full internal corporate power and authority to complete the transactions described in the Agreement. This Agreement is legally and properly signed and
delivered. This Agreement constitutes a legal and binding obligation on it and may be enforceable against it under the terms of the Agreement. 

	7.2	 Party B hereby declares and guarantees as follows: 

 

	 	(1)	 It is a limited liability company duly incorporated and legally existing under the law of the place of
registration. It has an independent legal personality and has the complete and independent legal status and legal capacity to execute, deliver and perform the Agreement, and may act as the subject of litigation independently; 

 

	 	(2)	 It has full internal powers and authorizations for the signing and delivery of the Agreement and all other
documents relating to the transactions referred to in the Agreement that it will sign, and it has full internal corporate power and authority to complete the transactions described in the Agreement. This Agreement is legally and properly signed and
delivered. This Agreement constitutes a legal and binding obligation on it and may be enforceable against it under the terms of the Agreement; 

  

	 	(3)	 When the Agreement comes into force, it has the complete business license required for its operation and has
full rights and qualifications to conduct the business of Party B that it is currently engaged within the territory of China; 

  

	 	(4)	 It shall promptly notify Party A of the lawsuits involved and other unfavorable circumstances and shall make
its best efforts to prevent the loss from expanding; 

  

	 	(5)	 Without the written consent of Party A, Party B shall not dispose of Party B’s important assets in any
form, nor shall it change the existing shareholding structure of Party B; 

  

	 	(6)	 It shall not enter into transactions that may materially affect Party B’s assets, liabilities, business
operations, shareholding structure, equity held by third parties and other legal rights (except for those generated in the course of normal or daily operations, disclosed to Party A or obtaining written consent of Party A); 

 

	 	(7)	 It will compensate Party A for any loss suffered or possibly suffered due to the provision of services and hold
it harmless, including but not limited to any losses incurred due to any third party’s lawsuits, recovery, arbitration, claims against it or administrative investigations and penalties by government authorities; nevertheless, if the losses are
caused by Party A’s intentional or gross negligence, such losses shall not be compensated; 

  

	 	(8)	 Party B promises that if Party B owns, establishes, merges or purchases any company to become a subsidiary of
Party B during the service period, Party B shall procure the subsidiary to sign a consulting service agreement with Party A or its designated person, regarding provision of consulting services for all of the business and assets of the subsidiary.
The duration, terms and format of the consulting service agreement shall be the same as the Agreement. Party B shall carry out and sign and / or procure the subsidiary to carry out and sign all matters and documents (including but not limited to
passing the resolutions of the relevant shareholders’ meeting and the board of directors) to make the consulting service agreement valid and legal. 

 Article 8 Duration of the Agreement 

 

	8.1	 The Parties hereby confirm that the Agreement has been formally signed by the parties. Unless the Parties agree
in writing to terminate the Agreement, or the Agreement must be terminated in accordance with applicable PRC laws and regulations, the Agreement shall continue to be valid. 

 

	8.2	 The Parties to the Agreement shall complete the approval and registration procedures for extending the
operating period within three months prior to the expiration of their respective operating periods, so that the validity period of the Agreement can be sustained. 

 

	8.3	 After termination of the Agreement, the Parties shall continue to observe the obligations under Articles 3 and
6 of the Agreement respectively. 

 Article 9 Notice 

 

	9.1	 Any notice, request, claim and other correspondence required by the Agreement or made under the Agreement shall
be delivered to the Parties in writing. 

  

	9.2	 Any notice hereunder shall be sent to the following addresses (unless changes of address are notified in
writing) by personal delivery, facsimile or registered mail. It shall be deemed as served on the date of receipt recorded on the receipt of the registered mail if posted by registered mail; it shall be deemed as served on the date of transmission if
delivered in person or transmitted by facsimile. If it is transmitted by facsimile, the original shall be sent to the following addresses by registered mail or personal delivery. 

Xincheng (Shanghai) Information Technology Co., Ltd. 

Address: Floor 1, building 1, No. 977, Shangfeng Road, Pudong New Area, Shanghai 

Tel: *********** 
 Email:
*********** 
 Recipient: Minhao Zhou 

Party B: Suzhou Taicheng Supply Chain Co., Ltd. 

Address: Room 401, South B, No. 17 and 19, songxianzhou lane, Gusu District, Suzhou 

Tel: *********** 
 Email:
*********** 
 Recipient: Xin Zhu 

Article 10 Default Liability 
  

	10.1	 The Parties agree and confirm that if any Party (hereinafter referred to as the “Defaulting
Party”) materially violates any of the provisions of the Agreement or substantially fails to perform any of the obligations under the Agreement, it shall constitute the breach of contract under the Agreement (hereinafter referred to as
“Default”) and the non-defaulting Party shall have the right to require the Defaulting Party to correct or take remedial measures within a reasonable period of time. If the
Defaulting Party fails to correct or take remedial measures within a reasonable period of time or within ten (10) days after the non-defaulting Party has notified the Defaulting Party in writing
of correction request, the non-defaulting Party shall have the right to determine at its discretion: 

	 	(1)	 If Party B is the Defaulting Party, Party A shall have the right to terminate the Agreement and request the
Defaulting Party to pay damages; 

  

	 	(2)	 If Party A is the Defaulting Party, Party B shall have the right to request the Defaulting Party to pay
damages; unless otherwise provided by law, it shall have no right to terminate or cancel the Agreement under any circumstances. 

  

	10.2	 Notwithstanding any other provisions herein, the effectiveness of the provisions of Article 10 herein shall not
be affected by the suspension or termination of the Agreement. 

 Article 11 Force Majeure 

 

	11.1	 If any Party fails to perform the Agreement or cannot perform the Agreement according to the agreed conditions
due to an earthquake, typhoon, flood, fire, war, change in policy and laws, or other unforeseen or inevitable or unavoidable force majeure events, the Party suffering the force majeure event shall immediately send a notice by fax and provide
documents containing the detailed description of force majeure events and the reason for failure or delay to perform the Agreement within thirty (30) days. Such proof documents shall be issued by the notary organization in the area where the
force majeure events occur. The Party suffering the force majeure events shall take appropriate measures to mitigate or eliminate the impact of force majeure events and shall endeavor to restore the performance of the obligation to be delayed or
impeded by force majeure events. Based on the impact of force majeure events on the performance of the Agreement, the Parties shall negotiate whether performance of the Agreement should be partially exempted or extended. The Parties shall not be
liable for the economic losses caused to each other due to force majeure events. 

 Article 12 Miscellaneous 

 

	12.1	 This Agreement is made in duplicate in Chinese with two (2) original copies, each Party holding one
(1) copy. 

  

	12.2	 The conclusion, effectiveness, performance, modification, interpretation and termination of the Agreement shall
be governed by the PRC law. 

  

	12.3	 Any disputes arising under the Agreement and relating to the Agreement shall be settled through negotiation
between the Parties. If the Parties cannot reach a consensus within thirty (30) days after the dispute arises, the dispute shall be submitted to the Shanghai Arbitration Commission for arbitration according to the effective arbitration rules
for the time being. The arbitration place is Shanghai and the language used in the arbitration is Chinese. The arbitral award is the final decision and equally binding on the Parties to the Agreement. 

	12.4	 Any rights, powers and remedies entitled to the Parties by the terms of the Agreement shall not exclude any
other rights, powers and remedies entitled to the Parties by the law and other terms of the Agreement and any Party’s execution of rights, powers and remedies shall not exclude the execution of other rights, powers and remedies entitled to such
Party. 

  

	12.5	 The failure or delay to exercise any rights, powers and remedies (hereinafter referred to as “Such
Rights”) under the Agreement or entitled by the law shall not result in the waiver of Such Rights. The waiver of any or part of Such Rights shall not preclude such Party from exercising Such Rights in other ways and exercising other Such
Rights. 

  

	12.6	 The headings of each section in the Agreement are for reference only. Such headings shall not be used for or
affect the interpretation of the provisions of the Agreement under any circumstances. 

  

	12.7	 This Agreement supersedes any other written or verbal agreements previously entered into between the Parties
relating to the matters stipulated in the Agreement and constitutes the entire agreement between the Parties. 

  

	12.8	 Each term of the Agreement may be separated and independent of each other term. If any one or more of the terms
of the Agreement becomes invalid, illegal or unenforceable at any time, the validity, legality and enforceability of the other terms of the Agreement shall not be affected thereby. 

 

	12.9	 Any amendments or additions to the Agreement must be made in writing and shall be effective only after duly
signed by the Parties. 

  

	12.10	 Without the prior written consent of Party A, Party B shall not transfer any of its rights and/or obligations
under the Agreement to any third party. Party A has the right to transfer any of its rights and/or obligations under the Agreement to any designated third party after notifying Party B, without violating the PRC laws. 

 

	12.11	 This Agreement shall be binding on the legal successors of the Parties. 

 

	12.12	 The Parties undertake that they will respectively declare and pay taxes and fees involved in transactions under
the Agreement in accordance with the law. 

 [The remainder of this page is intentionally left blank] 

 

  
 -9- 

 [Signature Page of Exclusive Technical Consulting and Service Agreement] 

IN WITNESS WHEREOF, the Exclusive Technical Consulting and Service Agreement is signed by and between the Parties hereunder at the date and place indicated at
the beginning of the Agreement: 
  

	
	 Xincheng (Shanghai) Information Technology Co., Ltd.

(Seal)

	
	/s/ Seal of Xincheng (Shanghai) Information Technology Co., Ltd.

  

			
	Signature:	 	 /s/ Nichole Jiang

	Name:	 	Nichole Jiang
	Title:	 	Legal representative

  

	
	Suzhou Taicheng Supply Chain Co., Ltd. (Seal)
	
	/s/ Seal of Suzhou Taicheng Supply Chain Co., Ltd.

  

			
	Signature:	 	 /s/ Xin Zhu

	Name:	 	Xin Zhu
	Title:	 	General Manager

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