Document:

Exhibit 10.19

 

House lease contract

 

Contract no.:ZX-XXH-2020-08-21-01

 

	Party A (Lessor) :	 	Hangzhou Zhexin Information Technology Co., LTD
	 	 	 
	Legal representative:	 	Wang Jian
	 	 	 
	Unified social credit code: 	 	xxx
	 	 	 
	Address:	 	10th Floor, Building 3, Xixi Yintai, Xihu District, Hangzhou
	 	 	 
	Contact person:	 	Zhang Yuanyuan
	 	 	 
	Connection telephone :	 	xxx
	 	 	 
	Linked Postal Box:	 	xxx
	 	 	 
	Party B (Lessee) :	 	Tianjin Information Sea Information Technology Co., LTD
	 	 	 
	Legal representative:	 	Liu Zhixin
	 	 	 
	Unified Social Credit Code:	 	xxx               
	 	 	 
	Address: 	 	Building A, Xiangluowan Kuangshi International Building, Tianjin Free 

    Trade Zone (CBD) 1704-8359 010-59484906;20F, Guoshui Plaza,
    

    Beijing Yizhuang Economic Development Zone                                
	 	 	 
	Contact person: 	 	Zhang Zhengmao               
	 	 	 
	Contact phone: 	 	xxx               
	 	 	 
	Mailing box: 	 	xxx               
	 	 	 
	Witness: 	 	Hangzhou Hezhisheng Real Estate Co., LT               
	 	 	 
	Legal representative: 	 	Shao Peng               
	 	 	 
	Unified social credit code: 	 	xxx               

 

    第 1 页 共 17 页

     

    

 

	Address: 	Room 1912-1, Building 4, Joy Court, Joy City, Nanyuan Street, Yuhang District,

    Hangzhou city, Zhejiang Province
	 	 
	Contact person: 	MAO Qian
	 	 
	Contact telephone: 	xxx           
	 	 
	Mailing box: 	xxx            

  

In accordance with the Contract
Law of the People's Republic of China and other relevant laws and regulations, Party A and Party B, on the basis of equality, free will,
fairness and good faith, agree through consultation to reach an agreement on the following premises lease matters and enter into this
Contract for mutual compliance.

 

One:Leased premises, area
and use

 

1. Party A leases to Party
B the premises (hereinafter referred to as "Leasehold Premises") of which party A has full ownership and relevant usufructuary
right, which is located in Room 902, Room 903, Room 904, Room 905, Room 906, Room 907, Room 908, Room 909 and Part of Room 910 of West
Building 2, Xixi Yintai Commercial Center, Xihu District, Hangzhou.

 

2. The total floor area of
the leased house is 1,149 square meters, which is the basis for calculating the rent and other related expenses of the leased house.

 

3. Party B is willing
to lease the leased premises and guarantees that the leased premises will be used for office purposes during the lease term. During the
lease term, party B shall not change the use of the leased premises without prior written consent of Party A.

 

Two:Lease term

 

1. Lease term: From September
11, 2020 to October 5, 2022, a total of 2 (two) years for 25 (25) days (the lease term is calculated in Gregorian calendar year, the year,
month and day starting from the lease date of this Contract to the day before the same day of the same month in the next year shall be
the first year, and so on).

 

2.Upon the expiration
of the lease term, Party A has the right to take back the leased premises and the facilities and equipment (if any), and Party B will
return them on schedule. If Party B intends to renew the lease, it shall give a written notice to Party A 60 (60) days prior to the expiration
of the lease term hereof and sign a new lease contract with Party A's consent. Party A shall have the priority to renew the lease with
Party B under the same conditions (including but not limited to the total rent, payment method and payment conditions).

 

    第 2 页 共 17 页

     

    

 

Three:Rent and payment
method

 

1. During the period of rent-free
decoration as stipulated in Article 5 of this Agreement, Party B does not need to pay rent. The rent of the leased premises in the first
year after the rent-free decoration period is 3.3 Yuan/square meter/day, and the total rent is RMB one Million three Hundred and eighty-three
Thousand nine Hundred and seventy Five Yuan (in figures), ¥1,383,970.50.
In the second year, the rent is 3.4 yuan/square meter/day, and the total rent is ONE million FOUR hundred and twenty Five thousand nine
hundred and nine yuan (in words), which is 1,425,909.00 Yuan (in figures). If the lease period within the last month of the expiration
or early termination or rescission of the lease is less than one natural month, the rent of such month shall be calculated according to
the daily rent standard of the leasing year and the actual number of days of the lease in that month. The rental amount under this contract
is tax inclusive.

 

2. Rent payment method:

 

Rental housing rent paid by
half a settlement, this paper total rental lease period is divided into four period, party a shall in the first phase of the party a shall
pay party b within seven (7) days from the date of the rental fee and legally equal rent a VAT invoice to party b (the amount is equal
to the first phase of the rent, such as sending, is the delivery time shall prevail). The specific date and amount of rent payment are
as follows:

 

First Installment Rent Payment:
Within three (3) days after signing this Contract, the first installment rent payment shall be RMB (in words) SIX hundred and ninety-one
Thousand nine Hundred and Eighty-five Yuan and Twenty-five fen, (in figures) RMB 691,985.25.

 

Phase II Rent: RMB 691,985.25
(in figures) shall be paid within three (3) days upon receipt of the special VAT invoice for phase II rent issued by Party A before March
20, 2021.

 

The third Installment rent:
RMB 712,954.5 shall be paid within three (3) days upon receipt of the special VAT invoice for the third installment rent issued by Party
A, in words seven hundred and two thousand nine hundred and fifty Four Yuan.

 

    第 3 页 共 17 页

     

    

 

Rent of the fourth phase: RMB
712,954.5 (in figures) shall be paid within three (3) days upon receipt of the special VAT invoice of the fourth phase rent issued by
Party A before March 20, 2022.

 

Party A shall have the right
to change the charging bank account number or charging method, and Party B shall make the payment in accordance with the method required
by Party A. Party A shall issue a written notice of the change of the account number to Party B, and Party A shall be obligated to issue
special VAT invoices regardless of whether the receiving account number belongs to Party A or not.

 

3. Party A's bank account information
is as follows:

 

Bank Account number: xxx

 

Account name: Hangzhou Zhexin
Information Technology Co., LTD

 

Bank name: xxx

 

4. Party B's billing information
is as follows:

 

Name: Tianjin Information Sea
Information Technology Co., LTD

 

Id number: xxx

 

Address, Tel: 1704-8359 010-59484906,
Building A, Xiangluowan Kuangshi International Building, Tianjin Free Trade Zone (CBD)

 

Bank name: xxx

 

Account number: xxx

 

Four:Security deposit
and other fees

 

1. Party A and Party B agree
that Party B shall, within three (3) working days after the signing of this Contract, pay to Party A the deposit of RMB one Hundred and
fifty-five Thousand three hundred and eleven only (in figures), ¥115,311.00.
The deposit shall be a guarantee for Party B's full performance and compliance with all provisions of this Contract that party B must
perform and comply with. During the lease term, Party A will keep the deposit but it is not necessary for Party A to pay interest on the
deposit to Party B. Party A shall issue a receipt to Party B after receiving the deposit.

 

    第 4 页 共 17 页

     

    

 

2. If Party B violates the
provisions hereof, except for the case where the amount deducted from the deposit is expressly agreed herein, any deduction from the deposit
shall be agreed by Party B. If the parties fail to reach an agreement on the amount deducted, they may settle the case through litigation,
but shall continue to perform other provisions hereof during the litigation. If the margin held by Party A is less than the amount specified
in Paragraph 1 of this Article due to such offsets and/or compensation and/or withholding, Party B shall make up the difference to Party
A within seven (7) days upon receipt of the notice from Party A. If Party B fails to make up the deposit on time, for each (1) day overdue,
party B shall pay a penalty equal to 0.05% (0.5% per day) of the overdue amount. If the delay exceeds thirty (30) days, Party A shall
have the right to terminate this Contract and Party B shall be liable for breach of contract in accordance with provisions hereof.

 

3.During the term of this contract,
Party A has the right to claim the deposit to set off any amount payable by Party B under this contract.

 

4. Upon termination of the
lease, party B shall complete the industrial and commercial cancellation and change procedures of the registered address or business address
of the leased house and the leased house and its decoration, equipment and facilities returned by Party B have been restored to their
original state and are available for rent in accordance with this Contract. Provided that Party B has fully performed all terms hereof
and Party A has completed acceptance and handover procedures without any third-party claims, complaints or other problems, Party A shall,
within thirty (30) days after Party B returns the leased premises and settles all amounts payable by Party B under this Contract, return
the deposit to Party B in a lump sum without interest against receipt of payment (after deduction (if any) as agreed herein). If Party
A fails to handle or delays handling acceptance and handover procedures without any reason, Party A shall bear the responsibilities and
losses arising therefrom.

 

Party B shall, within fifteen
(15) days upon the expiration of this contract, or upon the rescission, termination, cancellation or confirmation of the invalidity of
this Contract, complete the formalities for cancellation or change of the registered address or business address of the leased premises.
Otherwise, party B shall pay party A liquidated damages according to the daily rent of the lease year for each overdue day.

 

    第 5 页 共 17 页

     

    

 

5. Within the leasing period,
if party a transfer/sell the building to a third party, the deposit shall be made in accordance with this contract, party a shall deduct
the rest of the (if any) after transfer to a third party, by the third party and party b shall continue to perform the contract, and by
the third party to issue the receipt of deposit, party b should to return the original receipt of party a, Thereafter, Party A shall not
bear any responsibility to Party B for the deposit, nor undertake any other obligations stipulated in this Contract.

 

6. During the lease term (including
the decoration period and the period before the opening date), Party B shall bear other expenses (including but not limited to the above
expenses) such as water, electricity, telephone, Internet, property management fee, air conditioning fee and public energy consumption.
The payment method and time of the fees stipulated in this paragraph shall be subject to the written notice of Party A, the property management
company or the relevant departments. Party A promises that when Party B pays the property fee and other expenses by itself, the property
management company can issue a special VAT invoice of the same amount for Party B. Otherwise, Party A shall collect the property fee on
behalf of Party B and issue a special VAT invoice of the same amount to Party B.

 

Five:Rent-free decoration
period

 

1. The rent-free renovation
period under this Contract is 25 days from September 11, 2020 to October 5, 2020. During the period of rent-free decoration, Party A shall
be free of rent, but Party B shall still pay other fees stipulated in this contract, including but not limited to water, electricity,
telephone, Internet, property fee, air conditioning fee, public energy consumption and other fees incurred by the use of the leased premises.

 

Six:Rights and obligations
of Party A

 

1. Party A shall deliver the
leased premises to Party B before September 11, 2020 after receiving the first installment rent and security deposit (it may be postponed
in special circumstances and Party A shall notify Party B in advance without assuming any liability for breach of contract). Other items
delivered by Party A are set forth in the Attachment. If, for any reason whatsoever, the registered lease term of the leased premises
is not the same as the lease term determined in accordance with the provisions of this Contract, the lease term determined in this Contract
shall prevail. Party A has the right to notify Party B in writing to handle the alteration procedures of the lease registration within
the specified period.

 

    第 6 页 共 17 页

     

    

 

2. Party A guarantees that
the ownership of the leased premises is clear. In case of any dispute over property rights or creditor's rights or debts related to Party
A, Party A shall be responsible for clearing up and bear civil liabilities. Party A shall compensate party B for any loss caused thereby.

 

3. Party A guarantees that
Party B can use the leased premises normally during the lease term and that the building structure, equipment and facilities of the leased
premises conform to the safety conditions of construction, fire control, public security and sanitation.

 

4) Party B shall notify Party
A in time to repair the wear and tear of the leased premises and its equipment and facilities caused by natural properties or reasonable
use. Party A shall guarantee to make repairs in time upon receipt of party B's notice. Party B shall repair the wear and tear of office
furniture and access control one month after delivery and bear the expenses, and report to Party A in time. Party A can provide after-sales
docking assistance.

 

5. Party A shall provide Party
B with a total of nine (9) electronic screens in the leased premises free of charge for party B's use. They are normally closed.

 

6. Party A shall provide party
B with basic network facilities (including some switches and cabinets), and all expenses incurred by additional equipment and network
caused by disassembling shall be borne by Party B. If additional equipment is added by Party B, the wiring of the machine room shall meet
party A's wiring requirements.

 

7. Party A shall provide Party
B with access control installation support in the leased house. If Party B needs to use monitoring equipment in the leased house, party
B shall bear the additional equipment expenses.

 

8. Party A shall provide the
existing network cabinet to Party B for free, and the network opening and expenses shall be borne by Party B.

 

9. Party A is obliged to assist
Party B in handling the formalities of industrial and commercial registration, decoration, fire control transformation, etc., and issue
relevant documents and materials.

 

    第 7 页 共 17 页

     

    

 

Seven:Rights and obligations
of Party B

 

1. Party B shall go to Party
A to handle the handover procedures before the agreed delivery date. Before going through the handover procedures, Party B shall pay off
all the amount (if any) payable upon delivery of the premises according to this Contract, otherwise Party A has the right to refuse to
deliver the premises to Party B without taking any responsibility.

 

2) Party B warrants that it
will not change the lease purpose of the premises without party A's written consent during the lease term.

 

3. If Party B applies for "multiple
registration for one address" in the leased premises, Party A can provide a maximum of three (3) registered addresses, and party
B shall bear all relevant expenses incurred in registration.

 

4. Party b shall guarantee
to comply with laws and regulations of the country and the rental housing property management regulations, to do business, not a nuisance,
no pollution potential safety hazard, and promise to solve with customers, property, etc. The parties to the dispute, disputes, lawsuits
(if any), and to ensure that party a will not because of the above issues, disputes, lawsuits have any economic and reputational damage.

 

5. Party B has the right to
carry out interior decoration of the leased house without altering the main structure, facade and other items. Prior to the decoration,
Party B shall submit the decoration application to Party A and fill in the decoration construction permit, and provide Party A with the
complete decoration plan and drawings in advance as required. Party A shall propose approval opinions within seven (7) working days after
receiving the decoration plan and drawings submitted by Party B. After the approval of Party A, Party B shall submit the decoration plan
to the national fire department for approval before going through the procedures for entering the decoration site and obtaining the construction
permit. Party B shall comply with the relevant national regulations and requirements of Party A. Party B shall be responsible for public
safety and fire safety during the decoration process. After finishing the decoration, party A and the state fire department shall check
and accept the leased house. Only after obtaining the acceptance certificate issued by the State fire department can the leased house
be used in the site. Party B shall provide copies of a complete set of property construction materials, construction drawings, decoration
approval from the fire department, acceptance and other documents for Party A's record.

 

6. Party B warrants that it
will not sublet or sublet the leased premises to any third party or exchange the premises with any third party without party A's written
consent.

 

    第 8 页 共 17 页

     

    

 

7. Party B warrants that it
shall compensate party A for and repair any damage to the premises or equipment caused by its improper use or by party B's employees or
a third party.

 

8. Party B warrants that it
will give full assistance to Party A in the normal inspection and maintenance of the premises.

 

9. Party B shall cooperate
with Party A to go through the record formalities of house lease with relevant administrative departments within 30 days after the signing
of this contract.

 

Eight:Expiration and termination
of the contract

 

1. When the contract expires,
Party B shall move out of the leased premises and restore the premises to its original condition as required by Party A under any of the
following circumstances within 3 days after the expiration of the contract. Party B premises together with the original equipment and
all ancillary facilities inlaid in the building structure free of charge.

 

(1) Party A no longer rents
out;

 

(2) Party A and Party B fail
to reach a renewal contract.

 

2. If both parties fail to
renew the contract at the expiration of the lease term, or terminate the contract in advance through negotiation, or Party A sends a notice
of termination to Party B for reasons agreed herein, the expiration date or termination (rescission) date of the lease shall be the termination
date of the contract. Party B shall pay all the relevant fees and move out of the premises within three (3) days after the termination
of this contract. The articles left in the premises after three (3) days shall be regarded as party B's abandoned articles and may be
disposed of by Party A at its discretion. However, if the difference between the termination date and the date of termination is less
than 15 days, party B shall extend the aforementioned vacating period to 15 days so as to give Party B a reasonable time to prepare for
vacating and to restore the original condition. Before the termination of the contract, Party B shall, as required by Party A, complete
the formalities of industrial and commercial cancellation and change of the registered address or business address of the leased house,
restore the leased house to its original state and jointly accept the leased house with Party A and sign written acceptance records. Ensure
that the fixed equipment and facilities installed by Party A in the leased house are in good condition and available for use, and confirm
that there is no third-party claim, complaint and other problems, and then return to Party A (except natural depreciation) before moving
out of the leased house. Party B shall bear the cost of restoring the premises to its original condition. If Party B fails to restore
the premises to its original condition, Party A can directly deduct it from the deposit. Party A agrees that party B is not required to
restore the front desk and back display cabinet to its original state. The front desk background wall, if Party A continues to rent to
other companies, only Party B to remove the wall font, the other need not be restored to the original state. Other modifications shall
be subject to the results of actual communication.

 

    第
9 页
共 17

     

    

 

3.After the expiration of the
lease term, Party B agrees that Party A does not need to compensate Party B for the decoration investment of the leased house, and the
fixed decoration of the leased house belongs to Party A unconditionally. Unless otherwise agreed, Party B shall not remove all the equipment
and devices installed in the leased house and walls. Party b fails to move out to rent a house or not during the convention will be rental
housing restorable, according to party b before the expiry of the lease rental and management fee and other expenses standard daily collecting
fees such as rent, management fee, at the same time according to the rental fee standards according to pay the overdue fine for delaying
payment, the date of move out and restore to its original state.

 

Nine:Anti-commercial bribery

 

1. During the negotiation and
communication between the parties on cooperation and after the signing of this Contract, neither party nor its employees shall offer commercial
bribes to the employees of the other party or their relatives and friends in any name or form, including but not limited to giving gifts
and entertaining to the employees or their relatives and friends. Provide cash or cash equivalents such as cash, gift cards, negotiable
securities and company shares to its employees or their relatives and friends, and provide any form of preference or convenience for its
employees or their relatives and friends in housing purchase and decoration, employment, travel and vacation, communication, marriage
and funeral, etc. If either party or its employees find that the employees of the other party or their relatives or friends of the employees
of the other party ask for bribes in the name of the employees of the other party, they shall promptly report to the other party.

 

2. If either party violates
the above provisions by offering commercial bribes to the employees of the other party or their relatives and friends, the other party
shall have the right to terminate the Contract immediately and require the breaching party to pay RMB 100,000 as liquidated damages. If
the relevant acts constitute illegal or criminal, they will be transferred to judicial organs for handling.

 

    第
10 页
共 17

     

    

 

Ten:The force majeure

 

1. For the purpose of this
Contract, the force majeure event refers to any event beyond the reasonable control of the affected party, which is unforeseeable or inevitable
and insurmountable even though it is foreseeable and occurs after the signing date of this Contract, making it objectively impossible
for the party to perform this Contract in whole or in part. Such events include, but are not limited to, floods, fires, typhoons, earthquakes,
strikes, riots, major public health events, and wars (whether declared or not), as well as changes in national laws for related industries.

 

2. The party who claims to
be affected by the Force majeure event shall notify the other party of the occurrence of the force Majeure event in written form within
the shortest possible time. The party presenting a force majeure event which makes its performance of this Contract objectively impossible
shall be responsible for using all reasonable efforts to eliminate or mitigate the effects of such force majeure event.

 

3. If either party fails to
perform its obligations hereunder in part or in whole due to force majeure events specified herein, it shall not constitute a breach of
contract, and the performance of such obligations shall be suspended during the period during which such force majeure events prevent
the performance. During the period of suspension, the party suffering losses may claim appropriate compensation from the other party.
Upon termination or elimination of the force majeure event or its effects, both parties shall immediately resume to perform their respective
obligations under this Contract. If the force majeure event and its effects last thirty (30) days or more and result in the inability
of either party to continue to perform this Agreement, either party shall have the right to terminate this Agreement at its discretion.

 

Eleven:Liability for breach of contract

 

1.If Party A takes back the
leased premises in advance, party A shall give Party B thirty (30) days' notice and pay party B one (1) month's rent as penalty and return
the deposit without interest. If Party B terminates the premises in advance, it shall notify Party A thirty (30) days in advance and pay
one (1) month's rent to Party A as a penalty. Party B agrees that the penalty can be directly deducted by Party A from the deposit.

 

    第
11 页
共 17

     

    

 

2. If Party B has any of the
following behaviors, it shall be deemed as breach of the contract and refuses to correct after being notified, Party A has the right to
terminate the contract and take back the premises without refund of the deposit paid by Party B. Party B shall pay one (1) month's rent
to Party A as breach penalty and compensate Party A for its losses.

 

(1) Without the written consent of Party
A, the house is sublet, sublet, lent to others or used in exchange with a third party;

 

(2) Demolishing and changing the structure
of the movable premises or damaging the premises without Party A's written consent and failing to correct and repair the premises within
a limited time after party A's written notice;

 

(3) Change the lease purpose stipulated
in this Contract without authorization, or use the premises for illegal activities;

 

(4) the rent is in arrears of more than
one month;

 

(5) Dispose of or damage the facilities
in the house without party A's written consent;

 

3. If Party A has any of the
following behaviors, it shall be deemed as breach of contract and Party B shall have the right to terminate the contract and return the
deposit, and Party A shall pay one (1) month's rent to Party B as liquidated damages and compensate Party A for its losses:

 

(1) The ownership of the house of Party
A is unclear, or there are property rights disputes or creditor's rights and debts disputes related to Party A;

 

(2) The building structure, equipment
and facilities of party A's premises do not meet the safety conditions of construction, fire control, public security, sanitation and
other aspects;

 

(3) Party B shall notify Party A to repair
the wear and tear of the leased premises and its equipment and facilities caused by natural properties or reasonable use, but Party A
shall not deal with it, and party B shall not deal with it within 30 days after receiving another notice from Party B.

 

4. Due to party b unilaterally
(including party b's staff), safety accident affect other rental housing, controversial, disputes, lawsuits and punishment, all has nothing
to do with party a, as a result of the economic loss and legal responsibility shall be borne by party b, in severe cases, party a has
the right to terminate the contract, party b must compensate party a for any loss (including direct loss and indirect losses).

 

    第
12 页
共 17

     

    

 

5. If party B or its employees
lodge a complaint against the property management or any third party, it has nothing to do with Party A and party B shall bear the economic
losses and legal liabilities caused thereby. If the situation is serious, Party A shall have the right to terminate the contract and Party
B shall compensate Party A for all losses (including direct losses and indirect losses).

 

6.Safety accident due to party
a's unilateral reasons affecting other rental housing, controversial, disputes, lawsuits and punishment, have nothing to do with party
b, caused by the economic loss and legal responsibility shall be borne by party a, in severe cases, party b has the right to terminate
the contract, party a shall compensate party b for any loss (including direct loss and indirect losses).

 

Twelve:Confidentiality obligations

 

1. Provide the information
unless the prior written consent of the party or otherwise provided by law, the party receiving information cannot be directly or indirectly,
disclose, use, or allow its directors, employees, representatives, agents, consultants and lawyers to disclose or use the confidential
information, including but not limited to: the existence of this contract, the contract in whole or in part.

 

2. Both parties agree that
any breach by either party of the confidentiality obligation agreed herein shall constitute breach by the other party, and the non-breaching
party shall have the right to demand the breaching party to assume liabilities for breach of contract; And the non-breaching party shall
have the right to initiate legal proceedings to stop such infringement or take other remedies to prevent further infringement. The confidentiality
obligation agreed herein shall survive termination hereof.

 

Thirteen:Application of law and dispute resolution

 

1. The execution, validity,
performance, interpretation and dispute resolution of this Contract shall be governed by the Laws of the Contract Law of the People's
Republic of China (for the purpose of this Contract, excluding the Laws of Hong Kong Special Administrative Region, Macao Special Administrative
Region and Taiwan Region).

 

    第
13 页
共 17

     

    

 

2.Any dispute arising out of
or in connection with this Contract shall be settled through friendly negotiation between the parties. If no settlement can be reached
through friendly negotiation, either party shall submit the dispute to the local people's court for settlement through litigation.

 

Fourteen:Effectiveness of contract
and others

 

1. The addresses listed by
both parties in this Contract are their respective service addresses; Either party shall notify the other party in writing within 3 working
days from the date of change of service address if there is any change in service address. If the recipient refuses to sign or fails to
serve the relevant documents at any address listed by the other party, the documents shall be deemed to have been served on the other
party from the date of mailing by the sender.

 

2. The Contract shall come
into force upon being sealed by both parties (official seal or special seal for contract); The annex is the integral part of this contract
and has the same legal effect. However, the property delivery in Attachment 1 is the property list committed by Party A, which shall be
separately signed and sealed by Party B during acceptance.

 

3. Matters not covered herein
shall be determined by the parties in a written supplementary agreement.

 

4. This Contract is made in
two originals, with each party holding one copy and each copy having the same legal effect.

 

5. During the lease term, both
parties shall bear the taxes and fees respectively.

 

6. The contract is signed in
Xihu District, Hangzhou City, Zhejiang Province.

 

(No text below)

 

    第
14 页
共 17

     

    

 

(This page is the first page of the Signing of the House Lease Contract without text)

 

Party A:                                  (Seal)

 

Date of Signing: August 26, 2020

 

    第
15 页
共 17

     

    

 

(This page is the signing page 2 of "House
Lease Contract" without text)

 

Party B:                                  (Seal)

 

Date of Signing

 

    第
16 页
共 17

     

    

 

(This page is the signing page 3 of the House
Lease Contract without text)

 

Witness:                                  (Seal)

 

Date of Signing

 

 

第
17 页 共 17Exhibit 10.20

 

Contract subject change and supplementary 

 

contract No.:_______________                                         

 

Party (A):Hangzhou
zhexin information technology Ltd.

 

Party (B):Tianjin
Datasea information technology Ltd. 

 

Party (C):Hangzhou
Shuhai zhangxun information technology Ltd.

 

Party A and Party B signed
the House Lease Contract on August 26, 2020 (Contract No. :  Zx-xxh-2020-08-21-01) (hereinafter referred to as “Original
Contract”)  It is agreed that Party A shall lease to Party B the premises (hereinafter referred to as “Leasehold Premises”)
of which Party A has full ownership and relevant usufructuary right and which is located in Room 902, Room 903, Room 904, Room 905, Room
906, Room 907, Room 908, Room 909 and room 910 of West Building 2, Xixi Yintai Commercial Center, Xihu District, Hangzhou.  

 

Now Party A, Party B and Party
C have reached the following agreement through friendly negotiation  regarding party B’s simultaneous transfer of its rights, obligations
and responsibilities under the original Contract to Party C, and agree to abide by it jointly:  

 

As of the effective date of this Agreement, all
rights, obligations and responsibilities of Party B under the original Contract shall be transferred to Party C, that is, Party B shall
no longer enjoy its rights under the original Contract and shall no longer perform its obligations under the original Contract.  All
expenses incurred by the leased premises, including but not limited to rent, water, electricity and property management fees, shall be
paid by Party C.

 

Party B shall bear all expenses
including water, electricity and property management fees during the lease term as agreed in the original contract. Now the three parties
agree to make supplementary provisions as follows:

 

Party B shall pay the water,
electricity and property management fees of the leased house starting from September 15, 2020.  The portion that is not settled
before this Agreement is signed shall be paid by Party C ,after this Agreement comes into force and the corresponding invoice shall be
issued to Party C.  

 

For room  901  906
 (accounting for 85%), 907 and 910 , Party A shall still pay the corresponding electricity charges generated by these 4 room , and
The rest shall be paid by Party C.  The water fee shall be paid by Party C directly to the property owner. Party A shall make quarterly
settlement based on the proportion of actual monthly average users, and shall make payment to Party C within ten working days after the
 invoice issued by Party C.  

 

The air-conditioning fee shall
be calculated based on the proportion of the total area on the 9th floor. Party A’s and Party C’s air-conditioning fees shall account
for 31% and 69% of the total air-conditioning fees.  

 

Any dispute between Party A,
Party B and Party C arising from the execution and performance of this Agreement shall be settled through negotiation.  If no
agreement can be reached through negotiation, either party may bring the dispute to the people’s court having jurisdiction in the place
where the contract was signed

 

What is not involved in this
agreement shall be subject to the original contract.  In case of any conflict between this Agreement and the original Contract,
the content of this Agreement shall prevail.  

 

This Agreement shall come into
force upon being sealed by party A, Party B and Party C.  This Agreement is made in six copies, with each party holding two
copies with the same legal effect.  

 

(No text blow)

 

     

    

    

 

	Party
    A :Hangzhou zhexin information technology Ltd.	Party
    B:Tianjin Datasea information technology Ltd. 
	 	 
	       (seal)	       (seal)
	 	 
	Representative:
     Yuanyuan Zhang	Representative:
    Yaqing Wang
	 	 
	Address:	Address:
	 	 
	Mobile
    phone:	Mobile
    phone:
	 	 
	Land
    line:	Land
    line:
	 	 
	Date::January
    14, 2021	Date::
	 	 
	Party
     C:Hangzhou Shuhai zhangxun information technology Ltd.	 
	 	 
	       (seal)	 
	 	 
	Representative:
    Zhengmao Zhang	 
	 	 
	Address:	 
	 	 
	Mobile
    phone:	 
	 	 
	Land
    line:	 
	 	 
	Date:

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00334-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00334-of-00352.parquet"}]]