Document:

Exhibit 10.10

 

Website
Advertising Space Leasing Agreement

 

Party A: Kashi Jinwang Art Purchase E-commerce Co., Ltd (Lessor)

 

Party
B: Kashi Longrui Business Management Services Co., Ltd (Lessee)

 

According
to the applicable Chinese laws and regulations, Party A and Party B hereby reach the following agreement on Party B leasing advertising
space on Party A’s website (www.njjwyg.com) through friendly consultations, intending to be bound hereby:

 

I.
Cooperation

 

Party
A will be responsible for releasing website advertisements for Party B and updating the related contents provided by Party B in
a timely manner. The advertising contents and documents shall be prepared by Party B and delivered to Party A for uploading. The
advertising space shall provide external links, provided that the websites or webpage to which the links point shall be provided
by Party B. The websites or webpage to which the links point may not contain any illegal or vulgar contents or any virus, Trojan
or malicious code.

 

II.
Advertising location: Party A’s website (www.njjwyg.com). 

 

III.
Advertisement format: height 30cm x width 5cm, gif, jpg or FLASH soundless animation.

 

IV.
Advertising period: from January 1, 2019 to December 31, 2021.

 

V.
The annual rent of the advertising space is 1,200,000 Yuan (in words: one million two hundred thousand Yuan only),
inclusive of tax.

 

As
of the effective date of this agreement, the actual fee shall be calculated by the number of days of actual advertisement release
on Party A’s website and settled subject to consultations between the two parties.

 

VI.
Each party’s rights and obligations

 

1.
Party A shall be responsible for releasing Party B’s advertisements on its website and notify Party B of its decision as
to whether or not to continue the cooperation prior to the expiration of this agreement.

 

     

     

    

 

2.
Party A shall accept the supervision and examination of its advertising location and advertisement messages by Party B at any
time during the period of advertisement.

 

3.
Party A shall accurately release Party B’s advertisement messages on its website at such time and place as specified herein.

 

4.
Party A shall confirm and examine the advertisement messages provided by Party B and may require Party B to make modifications
to any advertising contents or form of expression that are incompliant with laws and regulations, provided that Party A has the
right to refuse to release any advertisement for Party B prior to Party B making the aforesaid modifications.

 

5.
Party B shall provide Party A with related materials (business qualification certificates and advertisement messages) and ensure
the related advertisement messages are lawful, true and accurate.

 

6.
Party B may notify Party A to update and modify its advertisement messages during the period of advertisement.

 

7.
Party A will not be responsible for any dispute between Party B and any third party due to any advertisements of Party B released
on Party A’s website.

 

8.
The advertising space leased by Party B hereunder shall be used solely for display of corporate products and corporate image.

 

VII.
Liabilities for default

 

1.
During the period of advertisement, if the advertisement is terminated due to the fault of Party A, Party A shall refund the remaining
advertising fee as of the termination to Party B.

 

2.
During the period of advertisement, if the advertisement is terminated due to the fault of Party B, Party A will not be liable
in any manner and will not refund the remaining advertising fee.

 

VIII.
Force majeure

 

1.
If the advertisement release by Party B is adversely affected by the changed national policies and regulations, force majeure
or other accidents, neither party shall be liable to the other party.

 

2.
In case of occasional short interruption of services due to maintenance activities the telecom department or website maintenance
by Party A or the reduced speed of access to Party B’s advertisements or temporary interruption of advertising services
due to occasional traffic jam online, which Party B hereby recognizes as normal, neither party shall be liable to the other party.

 

    2

     

    

 

IX.
Renewal of fee

 

1.
Party B has the right of first refusal to the advertising space purchased by it hereunder 30 days prior to the expiration of the
advertisement period.

 

2.
If Party B fails to renew the lease of the advertising space 30 days prior to the expiration of the advertisement period, such
advertising space will be open for public bidding on the principle of “first come first serve”.

 

X.
Termination

 

This
agreement may be terminated if:

 

1.
Both parties agree to terminate this agreement through consultations or both parties fail to renew this agreement upon the expiration
of this agreement. or

 

2.
This contract is rendered unable to continue in force due to force majeure or accident, where both parties may request termination
of this agreement.

 

XI.
Others

 

1.
This agreement shall take effect upon being signed and sealed by both parties and any modification thereto will not take effect
unless agreed upon by both parties and made in writing.

 

2.
This agreement is made in duplicate, one copy for each party and each copy bearing the same legal effect. Any matters not specified
herein shall be resolved by both parties through consultations.

 

3.
Any dispute arising hereunder shall be resolved by both parties through consultations, failing which either party has the right
to submit the dispute to court governing the place of Party A for adjudication.

 

(The
following is intentionally left blank)

 

Party A: Kashi Jinwang Art Purchase E-commerce
Co., Ltd (seal):

 

Authorized
agent:

 

Date:

 

Party
B: Kashi Longrui Business Management Services Co., Ltd (seal):

 

Authorized
agent:

 

Date:

 

 

3Exhibit 10.11

 

No.

 

Technical Maintenance Services Contract

 

Party A: Hunan Huaqiang Artwork Trading
Center Co., Ltd

 

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

 

In accordance with the Contract Law
of the People’s Republic of China and through friendly consultations, regarding the technical maintenance services of the trading
system of Hunan Huaqiang ARtwork Trading Center 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.

 

    2

      

    

 

IV Term
and Method of Performance

 

1) The service period
corresponding to this contract is 3 years, from July 1, 2018 to June 30, 2021.

 

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

 

1) The fee for technical maintenance
services provided by Party B for Party A’s trading system is RMB 12500/ month.

 

2) Party A shall pay Party B the service
fee for the first month in full within 5 working days of execution of this contract, i.e., RMB 12500 Yuan (say RMB twelve thousand
and five hundred Yuan only). 

 

VI Account
details

 

Payee: Nanjing Yanyu Information Technology
Co., Ltd.

Deposit Bank: Ping An Bank Aoti Branch

Bank Account Number: 1500003708178

 

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.

 

    3

      

    

 

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.

 

The following is intentionally left
blank and the signature page follows. 

 

Party A: Hunan Huaqiang ARtwork Trading
Center Co., Ltd (Seal)

 

Signature of representative:

 

Date: 

 

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

 

Signature of representative:

 

Date:

 

 

4

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