Document:

Exhibit 4.37

 

Technical Maintenance Services Contract

 

Party A: Jinling Cultural Property Rights Exchange
Co., Ltd

Address: 7/F, Building 5, #18, Jialingjiang East
Street, Jianye District, Nanjing

 

Party B: Nanjing Yanyu Information Technology
Co., Ltd.

Address: No. 530, Information New Materials Industrial
Park, Dongba Town, Nanjing, Jiangsu Province

 

In accordance with the Civil Code of the
People's Republic of China and through friendly consultations, regarding the technical maintenance services of the trading system
of Jinling Cultural Property Rights Exchange Co., Ltd, in the principle of equality and mutual consent, the parties hereby agree as follows:

 

	I	Services

 

The services herein refer to the operation and
maintenance, technical support and other services provided by Party B for the application software developed by it for Party A, mainly
including:

 

1) Daily technical support services: Consulting,
analyzing and answering all kinds of questions encountered by Party A’s personnel in the process of using Party B’s software,
and helping Party A’s personnel correctly use and maintain the relevant software system.

 

2) Application software troubleshooting: Timely
eliminating problems in the process of using the software system, and restoring the normal operation of the system. Party B undertakes
to remove any fault in the transaction process caused by the software system of Party B and restore the normal operation of the system
in time, without adversely affecting the completion of the transaction plan of Party A on the same day.

 

3) Application software upgrade: During the maintenance
service period, in the process of using the application software, through friendly consultations between Party A and Party B, Party B
shall be responsible for software modification and upgrade of the existing system upon certain new modifications or suggestions raised
by Party A without making any major adjustments or changes to the entire system, in order to meet the requirements of Party A.

  

	II	Service Mode

 

Party B shall provide Party A with the following
service modes:

 

1) Hotline service: Party B shall provide Party
A with a hotline to ensure timely service provision.

 

2) Remote online services: When necessary, Party
B shall, with the consent of Party A, remotely log on to the system to provide daily inspection, system maintenance and troubleshooting
services for the system.

 

     

     

    

 

3) On-site services: If any maintenance work or
system failure cannot be solved remotely, Party B shall dispatch engineers to the site where the software server is located as soon as
possible to solve the problems as soon as possible.

 

4)Dedicated customer service representative: Party
B shall appoint dedicated customer service personnel who shall be fully responsible for service of Party A and establish dedicated maintenance
files to ensure that Party B’s customer service personnel have a good understanding of the previous and current situation of the
system and improve the service quality.

 

	III	Working Conditions and Collaboration Matters

 

1) During the system maintenance, Party A shall
designate relevant personnel to keep in touch with and cooperate with Party B to ensure that Party B can timely obtain relevant information
required for system maintenance.

 

2)When Party B needs to log in the system remotely
online for maintenance work, Party A shall promptly provide necessary login information and open corresponding security settings to ensure
that Party B can carry out remote maintenance smoothly.

 

3) When Party A requests Party B to upgrade and
modify the system software, it shall provide relevant written requests and necessary documents.

 

4) Party B shall keep strictly confidential the
relevant business data in Party A’s system and shall not disclose the relevant data to any third party without Party A’s prior
consent.

  

	IV	Term and Method of Performance

 

1) The service period corresponding to this contract
is 3 years, from July 1, 2021 to June 30, 2024; if Party A fails to give a written notice of termination to Party B one month prior to
the expiration of the service period, this agreement shall be automatically renewed for one year.

 

2) Upon execution of the maintenance contract
and receiving the corresponding maintenance fee from Party A pursuant to this contract, Party B shall commerce performing the services
set forth in the contract.

 

3) If Party A requires Party B to continue to
provide relevant technical maintenance services five working days prior to the expiration of the maintenance service period, the maintenance
fee shall be subject to further consultations between both parties.

 

	V	Compensation and Payment Method

 

The fee for technical maintenance services provided
by Party B for Party A’s trading system is RMB 12900/ month. Party A shall pay Party B the service fee monthly on time from the
effective date of this contract.

 

    2

     

    

 

	VI	Account details

 

Payee: Nanjing Yanyu Information Technology Co.,
Ltd.

Deposit Bank: Ping An Bank Aoti Branch

Bank Account Number:

 

	VII	Dispute resolution

 

All disputes arising from the performance of this
contract shall be resolved by both parties through friendly consultations. If no agreement can be reached through consultations, either
party has the right to bring a lawsuit to the people’s court where Party B is located. In the course of dispute resolution, this
contract shall continue to be performed, except for the part under consultations or litigation.

  

	VIII 	Force Majeure

 

If the continued performance of this contract
is rendered impossible due to war, earthquake, fire or flood, the affected party shall immediately notify the other party of the event.
In case of breach of contract caused by force majeure, the affected party may be exempted from all or part of the liability for breach
of contract depending upon the extent of effects of force majeure on the performance of the contract.

 

	IX	Others

 

This contract is made in quadruplicate, two copies
for each party. This contract shall come into force upon signature and seal by both parties.

 

Party A: Jinling Cultural Property Rights Exchange
Co., Ltd (Seal)

 

Signature of representative:

 

Date: July 1, 2021

 

Party B: Nanjing Yanyu Information Technology
Co., Ltd. (Seal)

 

Signature of representative:

 

Date: July 1, 2021

 

 

3Exhibit 4.38

 

Technical Maintenance Services Contract

 

Party A: Nanjing Culture and Artwork Property
Exchange Co., Ltd.

 

Address: No.1, Zixia East Road, Maqun Street,
Qixia District, Nanjing

 

Party B: Nanjing Yanyu Information Technology
Co., Ltd.

 

Address: No. 530, Information New Materials Industrial
Park, Dongba Town, Nanjing, Jiangsu Province

 

In accordance with the Civil Code of the
People's Republic of China and through friendly consultations, regarding the technical maintenance services of the trading system
of Nanjing Culture and Artwork Property Exchange Co., Ltd, in the principle of equality and mutual consent, the parties hereby agree
as follows:

 

I Services

 

The services herein refer to the operation and
maintenance, technical support and other services provided by Party B for the application software developed by it for Party A, mainly
including:

 

1) Daily technical support services: Consulting,
analyzing and answering all kinds of questions encountered by Party A's personnel in the process of using Party B's software, and helping
Party A's personnel correctly use and maintain the relevant software system.

 

2) Application software troubleshooting: Timely
eliminating problems in the process of using the software system, and restoring the normal operation of the system. Party B undertakes
to remove any fault in the transaction process caused by the software system of Party B and restore the normal operation of the system
in time, without adversely affecting the completion of the transaction plan of Party A on the same day.

 

3) Application software upgrade: During the maintenance
service period, in the process of using the application software, through friendly consultations between Party A and Party B, Party B
shall be responsible for software modification and upgrade of the existing system upon certain new modifications or suggestions raised
by Party A without making any major adjustments or changes to the entire system, in order to meet the requirements of Party A.

 

II Service Mode

 

Party B shall provide Party A with the following
service modes:

 

1) Hotline service: Party B shall provide Party
A with a hotline to ensure timely service provision.

 

     

     

    

 

2) Remote online services: When necessary, Party
B shall, with the consent of Party A, remotely log on to the system to provide daily inspection, system maintenance and troubleshooting
services for the system.

 

3) On-site services: If any maintenance work or
system failure cannot be solved remotely, Party B shall dispatch engineers to the site where the software server is located as soon as
possible to solve the problems as soon as possible.

 

4) Dedicated customer service representative:
Party B shall appoint dedicated customer service personnel who shall be fully responsible for service of Party A and establish dedicated
maintenance files to ensure that Party B's customer service personnel have a good understanding of the previous and current situation
of the system and improve the service quality.

 

III Working Conditions and Collaboration Matters

 

1) During the system maintenance, Party A shall
designate relevant personnel to keep in touch with and cooperate with Party B to ensure that Party B can timely obtain relevant information
required for system maintenance.

 

2) When Party B needs to log in the system remotely
online for maintenance work, Party A shall promptly provide necessary login information and open corresponding security settings to ensure
that Party B can carry out remote maintenance smoothly.

 

3) When Party A requests Party B to upgrade and
modify the system software, it shall provide relevant written requests and necessary documents.

 

4) Party B shall keep strictly confidential the
relevant business data in Party A's system and shall not disclose the relevant data to any third party without Party A's prior consent.

  

IV Term and Method of Performance

 

1) The service period corresponding to this contract
is 3 years, from July 1, 2021 to June 30, 2024; if Party A fails to give a written notice of termination to Party B one month prior to
the expiration of the service period, this agreement shall be automatically renewed for one year.

 

2) Upon execution of the maintenance contract
and receiving the corresponding maintenance fee from Party A pursuant to this contract, Party B shall commerce performing the services
set forth in the contract.

 

3) If Party A requires Party B to continue to
provide relevant technical maintenance services five working days prior to the expiration of the maintenance service period, the maintenance
fee shall be subject to further consultations between both parties.

 

V Compensation and Payment Method

 

The fee for technical maintenance services provided
by Party B for Party A's trading system is RMB 12500/ month. Party A shall pay Party B the service fee monthly on time from the effective
date of this contract.

 

    2

     

    

 

VI Account details

 

Payee: Nanjing Yanyu Information Technology Co.,
Ltd.

Deposit Bank: Ping An Bank Aoti Branch

Bank Account Number: 

 

VII Dispute resolution

 

All disputes arising from the performance of this
contract shall be resolved by both parties through friendly consultations. If no agreement can be reached through consultations, either
party has the right to bring a lawsuit to the people's court where Party B is located. In the course of dispute resolution, this contract
shall continue to be performed, except for the part under consultations or litigation.

 

VIII Force Majeure

 

If the continued performance of this contract
is rendered impossible due to war, earthquake, fire or flood, the affected party shall immediately notify the other party of the event.
In case of breach of contract caused by force majeure, the affected party may be exempted from all or part of the liability for breach
of contract depending upon the extent of effects of force majeure on the performance of the contract.

 

IX Others

 

This contract is made in quadruplicate, two copies
for each party. This contract shall come into force upon signature and seal by both parties.

 

Party A: Nanjing Culture and Artwork Property
Exchange Co., Ltd.(Seal)

 

Signature of representative:

 

Date: July 1, 2021

 

Party B: Nanjing Yanyu Information Technology
Co., Ltd.(Seal)

 

Signature of representative:

 

Date: July 1, 2021

 

 

3

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