Document:

Exhibit
10.15

 

Three
Parties Agreement

 

on
Creditor’s Rights and Debts

 

Party
A: SMARTEN TECHNOLOGY CO.,LTD

 

Address:
Rm 5013,No.57 Guangda Road,Banan Community,Yuanshan Street,Longgan g District,Shenzhen City

 

Unified
social credit code: 914403003194288778

 

Party
B: JUNTAO ZHENG

 

Address:
Rm 8D, Block B, No.4 Building, Dongsheng Times Garden, Zhongshan Avenu e, Pingshan Street , Pingshan District, Shenzhen City

 

	 	ID
  No. :	420921198509302630	Tel:	18025456105

 

Party
C:NAN DU

 

Address:
Rm 502, Block C, No.1 Building, Dongdu Central Throne, Longcheng Street, L onggang District, Shenzhen City

 

	 	ID
  No.:	411303198208060547	Tel:	18621083096

 

After
equal and voluntary negotiation, Party A, Party B and Party C have reached the follo wing agreement on the repayment of creditor’s
rights and debts:

 

	 	1.	As
  of the date of signing this agreement, the three parties have confirmed that Party B ha s lent a total of RMB 370000 to Party A through
  Party C’s account.

 

    	Page 1 of 5

    	 

    

 

	 	2.	The
  payment and repayment plan for both parties A & B are as follows.

 

2.1.
Party A shall calculate and pay the loan interest monthly from July 1, 2020, and the monthly interest rate shall be calculated at 1.5%
and paid before the 10th of the next mo nth.

 

2.2.
Party A will repay all principal before December 31, 2020.

 

	 	3.	After
  Party A fulfills the payment obligation to Party B in accordance with this agreemen t, this debt of Party A to Party C will be settled.

 

	 	4.	After
  the signing of this agreement, Party B shall not require Party C to pay. If the princi pal and interest are not paid on time due to
  Party A’s reasons, Party B shall require Pa rty A to bear the liability for breach of contract within the scope of the principal
  and inte rest of Party B’s unpaid creditor’s rights.

 

	 	5.	In
  case of any dispute arising from the performance of this agreement, the parties shall negotiate friendly. If the negotiation fails,
  they may bring a lawsuit to the people’s court where Party A is located.

 

	 	6.	This
  agreement is made in triplicate, with each party holding one copy, which shall com e into force after being signed and sealed by the
  three parties.

 

    	Page 2 of 5

    	 

    

 

	<No
    text on this page>	 	 	 
	 	 	 	 
	Party A: SMARTEN TECHNOLOGY
    CO.,LTD	 	Party
    B:	JUNTAO
    ZHENG
	(stamp)
    	 	 	 
	 	 	 	 
	/s/	 	 	X /s/
    JUNTAO ZHENG
	 	 	 	 
	Party C: NAN
    DU	 	 	 
	 	 	 	 
	X /s/
    NAN DU	 	 	 

 

    	Page 3 of 5

    	 

    

 

DEBT
EXTENSION AGREEMENT

 

PARTY
A : SMARTEN TECHNOLOGY CO.,LTD

 

		ADD
                                            :	Rm
                                            5013,No.57 Guangda Road,Banan Community,Yuanshan Street,Longgang District,Shenzhen City
	 	 	 
	 	USCC
                                            :	914403003194288778

 

PARTY
B : JUNTAO ZHENG

 

		ADD
                                            :	Rm
                                            8D, Block B, No.4 Building, Dongsheng Times Garden, Zhongshan Avenue, Pingshan Street , Pingshan
                                            District, Shenzhen City

 

	 	ID
  No.:	420921198509302630	TEL:	18025456105

 

1.
This agreement is the deferred repayment agreement of the three-party agreement on creditor’s rights and debts signed on June 30,
2020.

 

2.
Reasons for extension

 

Party
A has difficulty in working capital and cannot repay the loan on schedule.

 

3.
The original arrears amount and the original arrears interest rate

 

Original
arrears: RMB 370,000

 

Original
arrears interest rate: 1.5% monthly interest rate

 

4.
Amount of arrears for the extension period and interest rate of the arrears for the extension period

 

Amount
of deferred arrears: RMB 370000

 

Interest
rate of deferred arrears: 1.5% per month

 

    	Page 4 of 5

    	 

    

 

5.
Extension period: 2021.01.01-2021.12.31

 

6.
Extension arrears and interest payment method

 

Payment
method of deferred arrears: repay all arrears before December 31, 2021

 

Payment
method of extension interest: the interest of the previous month shall be paid before the 10th of the next month.

 

7.
During the extension period, Party A may repay all or part of the arrears in advance according to the actual situation, and no interest
will be paid for the part repaid in advance.

 

8.
During the extension period, Party A shall take the initiative to repay the arrears. If Party A fails to repay the arrears on time, Party
B can requires Party A to bear the liability for breach of contract within the scope of the principal and interest of the creditor’s
rights unpaid by Party A.

 

9.
This agreement is made in duplicate, with each party holding one copy. It will come into force after being signed and sealed by both
parties. Other matters not covered herein shall be decided by both parties through negotiation.

 

	Party
    A:	SMARTEN
    Party	 	Party
    B:	JUNTAO
    ZHENG 
	 	TECHNOLOGY
    CO.,LTD	 	 	 
	 	 	 	 	 
	[STAMP]	 	/s/
    Juntao Zheng

 

    	Page 5 of 5Exhibit
10.16

 

Three
Parties Agreement

 

on
Creditor’s Rights and Debts

 

Party
A: SMARTEN TECHNOLOGY CO.,LTD

 

Address:
Rm 5013,No.57 Guangda Road, Banan Community, Yuanshan Street,

Longgang
District, Shenzhen City

Unified
social credit code: 914403003194288778

 

Party
B: NICK NIANQING ZENG / N.ZENG & COMPANY,INC

 

Address:
P.O.Box 5413,New York, NY 10185-5415

 

Passport
No. :43-1975097(FED IC) Tel:18025456105

 

Party
C:NAN DU

 

Address:
Rm 502, Block C, No.1 Building, Dongdu Central Throne, Longcheng Street,

Longgang
District, Shenzhen City

ID
No.: 411303198208060547 Tel:18621083096

 

After
equal and voluntary negotiation, Party A, Party B and Party C have reached the following agreement on the repayment of creditor’s
rights and debts:

 

1.
As of the date of signing this agreement, the three parties have confirmed that Party B has lent a total of RMB 364500 to Party A through
Party C’s account.

 

2.
The payment and repayment plan for both parties A & B are as follows.

 

2.1.
Party A shall calculate and pay the loan interest monthly from July 1, 2020, and the monthly interest rate shall be calculated at 1.5%
and paid before the 10th of the next month.

 

2.2.
Party A will repay all principal before December 31, 2020.

 

3.
After Party A fulfills the payment obligation to Party B in accordance with this agreement, this debt of Party A to Party C will be settled.

 

4.
After the signing of this agreement, Party B shall not require Party C to pay. If the principal and interest are not paid on time due
to Party A’s reasons, Party B shall require Party A to bear the liability for breach of contract within the scope of the principal
and interest of Party B’s unpaid creditor’s rights.

 

5.
In case of any dispute arising from the performance of this agreement, the parties shall negotiate friendly. If the negotiation fails,
they may bring a lawsuit to the people’s court where Party A is located.

 

6.
This agreement is made in triplicate, with each party holding one copy, which shall com e into force after being signed and sealed by
the three parties.

 

<No
text on this page>

 

	Party
    A: SMARTEN TECHNOLOGY CO.,LTD	 	Party
    B:NICK NIANQING ZENG
	(stamp)	 	 
	 	 	 
	X	 	X
        /s/ NICK ZENG
	 	 	 
	Party
    C: NAN DU	 	 
	 	 	 
	X
    /s/ NAN DU	 	 

 

    	 

    	 

    

 

Debt
Extension Agreement

 

PARTY
A : SMARTEN TECHNOLOGY CO.,LTD

 

ADD
: Rm 5013,No.57 Guangda Road,Banan Community,Yuanshan Street,Longgang District,Shenzhen City

 

Unified
social credit code: 914403003194288778

 

PARTY
B : Nick Zeng

 

ADD
:P.O.Box 5415 New York,NY 10185-5415

 

ID
No. : 43-1975097 (FED ID)

 

Tel:(212)602-1188

 

1.
This agreement is the deferred repayment agreement of the debt deferred repayment agreement signed on June 30, 2020

 

2.
Reasons for extension

 

Due
to the impact of the epidemic, Party A has difficulty in working capital and cannot repay the loan on schedule.

 

3.
The original arrears amount and the original arrears interest rate

 

Original
arrears: RMB 364500

 

Original
arrears interest rate: 1.5% monthly interest rate,Interest generated: RMB 32805.

 

4.
Amount of arrears for the extension period and interest rate of the arrears for the extension period

 

Amount
of deferred arrears: RMB 397305

 

Interest
rate of deferred arrears: 1.5% per month

 

    	 

    	 

    

 

5.
Extension period: 2021.01.01-2021.6.30

 

6.
Extension arrears and interest payment method

 

Deferred
repayment RMB 433062.45.

 

7.
During the extension period, Party A can repay all or part of the arrears in advance according to the actual situation, and the part
repaid in advance will not pay interest

 

8.
During the extension period, Party A shall take the initiative to repay the arrears. If Party A fails to repay the arrears on time, Party
B requires Party A to bear the liability for breach of contract within the scope of the principal and interest of Party A’s outstanding
creditor’s rights

 

9.
This agreement is made in duplicate, with each party holding one copy.

 

It
will come into force after being signed and sealed by both parties. Other matters not covered herein shall be decided by both parties
through negotiation.

 

	PARTY
    A : SMARTEN	 	PARTY
    B : Nick Zeng
	TECHNOLOGY
    CO.,LTD	 	 
	 	 	 
	[STAMP]
    /s/	 	/s/
    Nick Zeng

 

    	 

    	 

    

 

Debt
Extension Agreement

 

PARTY
A : SMARTEN TECHNOLOGY CO.,LTD

 

ADD
: Rm 5013,No.57 Guangda Road,Banan Community,Yuanshan Street,Longgang District,Shenzhen City

 

Unified
social credit code: 914403003194288778

 

PARTY
B : Nick Zeng

 

ADD
:P.O.Box 5415 New York,NY 10185-5415

 

ID
No. :43-1975097 (FED ID)

 

Tel:(212)602-1188

 

1.
This agreement is the deferred repayment agreement of the debt deferred repayment agreement signed on December 31, 2020

 

2.
Reasons for extension

 

Due
to the impact of the epidemic, Party A has difficulty in working capital and cannot repay the loan on schedule.

 

3.
The original arrears amount and the original arrears interest rate

 

Original
arrears: RMB397305

 

Original
arrears interest rate: 1.5% monthly interest rate,

 

Interest
generated: RMB 35757.45

 

4.
Amount of arrears for the extension period and interest rate of the arrears for the extension period

 

Amount
of deferred arrears: RMB 433062.45

 

Interest
rate of deferred arrears: 1.5% per month

 

5.
Extension period: 2021.07.,01-2021.12.31

 

    	 

    	 

    

 

6.
Extension arrears and interest payment method

 

Deferred
repayment RMB 472038.07

 

7.
During the extension period, Party A can repay all or part of the arrears in advance according to the actual situation, and the part
repaid in advance will not pay interest

 

8.
During the extension period, Party A shall take the initiative to repay the arrears. If Party A fails to repay the arrears on time, Party
B requires Party A to bear the liability for breach of contract within the scope of the principal and interest of Party A’s outstanding
creditor’s rights

 

9.
This agreement is made in duplicate, with each party holding one copy.

 

It
will come into force after being signed and sealed by both parties. Other matters not covered herein shall be decided by both parties
through negotiation.

 

	PARTY
    A : SMARTEN	 	PARTY
    B : Nick Zeng
	TECHNOLOGY
    CO.,LTD	 	 
	 	 	 
	[STAMP]
    /s/	 	/s/
    Nick Zeng

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