Document:

EX-10.15

 Exhibit 10.15 

Power of Attorney 
 I,
Liaohan CHEN, a People’s Republic of China (“China” or the “PRC”) citizen with PRC Identification Card No.: 330621198211048053, and a holder of 13.10% of the entire registered capital in Hangzhou Tuya Technology Co., Ltd.,
Ltd. (“Hangzhou Tuya”) as of the date when the Power of Attorney is executed, hereby irrevocably authorize Hangzhou Aixiangji Technology Co., Ltd. (“WFOE”) to exercise the following rights relating to all equity interests held by
me now and in the future in Hangzhou Tuya (“My Shareholding”) during the term of this Power of Attorney: 
 The WFOE is hereby
authorized to act on my behalf as my exclusive agent and attorney with respect to all matters concerning My Shareholding, including but not limited to: 1) attending shareholders’ meetings of Hangzhou Tuya; 2) exercising all the
shareholder’s rights and shareholder’s voting rights that I am entitled to under the relevant PRC laws and Hangzhou Tuya’s Articles of Association, including but not limited to the sale, transfer, pledge, or disposition of My
Shareholding in part or in whole; and 3) designating and appointing on my behalf the legal representative, directors, supervisors, chief executive officer, and other senior management members of Hangzhou Tuya. 

Without limiting the generality of the powers granted hereunder, the WFOE shall have the power and authority to, on my behalf, execute all the
documents I shall sign as stipulated in the Exclusive Option Agreement entered into by and among myself, the WFOE, and Hangzhou Tuya on December 23, 2014 and the Equity Pledge Agreement entered into by and among me, the WFOE, and Hangzhou Tuya on
December 23, 2014 (including any modifications, amendments, and restatements thereto, collectively referred to as the “Transaction Documents”), and perform the terms of the Transaction Documents. 

  
 1 

Strictly Confidential 

 All the actions associated with My Shareholding conducted by the WFOE shall be deemed as my
own actions, and all the documents related to My Shareholding executed by the WFOE shall be deemed as executed by me. I hereby acknowledge and ratify those actions and/or documents by the WFOE. 

The WFOE is entitled to re-authorize or assign its rights related to the aforesaid matters to any
other person or entity at its own discretion and without giving prior notice to me or obtaining my consent. If required by PRC laws, the WFOE shall designate a PRC citizen to exercise the aforementioned rights. 

During the period that I am a shareholder of Hangzhou Tuya, this Power of Attorney shall be irrevocable and continuously effective and valid
from the date of execution of this Power of Attorney. 
 During the term of this Power of Attorney, I hereby waive all the rights associated
with My Shareholding, which have been authorized to the WFOE through this Power of Attorney, and shall not exercise such rights by myself. 

This Power of Attorney is written in Chinese and English. The Chinese version and English version shall have equal legal validity. 

  
 2 

Strictly Confidential 

 IN WITNESS WHEREOF, the Party has executed this Power of Attorney. 

 

			
	Liaohan CHEN
		
	By:	 	 /s/ Liaohan CHEN

	Date:	 	 December 23, 2014

  
 3 

Strictly Confidential 

			
	Accepted by:
	
	Hangzhou Aixiangji Technology Co., Ltd.
		
	By:	 	 /s/ Liaohan CHEN

	Name:	 	Liaohan CHEN
	Title:	 	Legal Representative

  
 4 

Strictly ConfidentialEX-10.16

 Exhibit 10.16 

Power of Attorney 
 I,
Peihong CHEN, a People’s Republic of China (“China” or the “PRC”) citizen with PRC Identification Card No.: 450502198203040310, and a holder of 4.91% of the entire registered capital in Hangzhou Tuya Technology Co., Ltd.,
Ltd. (“Hangzhou Tuya”) as of the date when the Power of Attorney is executed, hereby irrevocably authorize Hangzhou Aixiangji Technology Co., Ltd. (“WFOE”) to exercise the following rights relating to all equity interests held by
me now and in the future in Hangzhou Tuya (“My Shareholding”) during the term of this Power of Attorney: 
 The WFOE is hereby
authorized to act on my behalf as my exclusive agent and attorney with respect to all matters concerning My Shareholding, including but not limited to: 1) attending shareholders’ meetings of Hangzhou Tuya; 2) exercising all the
shareholder’s rights and shareholder’s voting rights that I am entitled to under the relevant PRC laws and Hangzhou Tuya’s Articles of Association, including but not limited to the sale, transfer, pledge, or disposition of My
Shareholding in part or in whole; and 3) designating and appointing on my behalf the legal representative, directors, supervisors, chief executive officer, and other senior management members of Hangzhou Tuya. 

Without limiting the generality of the powers granted hereunder, the WFOE shall have the power and authority to, on my behalf, execute all the
documents I shall sign as stipulated in the Exclusive Option Agreement entered into by and among myself, the WFOE, and Hangzhou Tuya on December 23, 2014 and the Equity Pledge Agreement entered into by and among me, the WFOE, and Hangzhou Tuya on
December 23, 2014 (including any modifications, amendments, and restatements thereto, collectively referred to as the “Transaction Documents”), and perform the terms of the Transaction Documents. 

  
 1 

Strictly Confidential 

 All the actions associated with My Shareholding conducted by the WFOE shall be deemed as my
own actions, and all the documents related to My Shareholding executed by the WFOE shall be deemed as executed by me. I hereby acknowledge and ratify those actions and/or documents by the WFOE. 

The WFOE is entitled to re-authorize or assign its rights related to the aforesaid matters to any
other person or entity at its own discretion and without giving prior notice to me or obtaining my consent. If required by PRC laws, the WFOE shall designate a PRC citizen to exercise the aforementioned rights. 

During the period that I am a shareholder of Hangzhou Tuya, this Power of Attorney shall be irrevocable and continuously effective and valid
from the date of execution of this Power of Attorney. 
 During the term of this Power of Attorney, I hereby waive all the rights associated
with My Shareholding, which have been authorized to the WFOE through this Power of Attorney, and shall not exercise such rights by myself. 

This Power of Attorney is written in Chinese and English. The Chinese version and English version shall have equal legal validity. 

  
 2 

Strictly Confidential 

 WITNESS WHEREOF, the Party has executed this Power of Attorney. 

 

			
	Peihong CHEN
		
	By:	 	 /s/ Peihong CHEN

	Date:	 	 December 23, 2014

  
 3 

Strictly Confidential 

			
	Accepted by:
	
	Hangzhou Aixiangji Technology Co., Ltd.
		
	By:	 	 /s/ Liaohan CHEN

	Name:	 	Liaohan CHEN
	Title:	 	Legal Representative

  
 4 

Strictly ConfidentialEX-10.17

 Exhibit 10.17 

Power of Attorney 
 I,
Ruixin ZHOU, a People’s Republic of China (“China” or the “PRC”) citizen with PRC Identification Card No.: 331004198302200614, and a holder of 9.83% of the entire registered capital in Hangzhou Tuya Technology Co., Ltd.,
Ltd. (“Hangzhou Tuya”) as of the date when the Power of Attorney is executed, hereby irrevocably authorize Hangzhou Aixiangji Technology Co., Ltd. (“WFOE”) to exercise the following rights relating to all equity interests held by
me now and in the future in Hangzhou Tuya (“My Shareholding”) during the term of this Power of Attorney: 
 The WFOE is hereby
authorized to act on my behalf as my exclusive agent and attorney with respect to all matters concerning My Shareholding, including but not limited to: 1) attending shareholders’ meetings of Hangzhou Tuya; 2) exercising all the
shareholder’s rights and shareholder’s voting rights that I am entitled to under the relevant PRC laws and Hangzhou Tuya’s Articles of Association, including but not limited to the sale, transfer, pledge, or disposition of My
Shareholding in part or in whole; and 3) designating and appointing on my behalf the legal representative, directors, supervisors, chief executive officer, and other senior management members of Hangzhou Tuya. 

Without limiting the generality of the powers granted hereunder, the WFOE shall have the power and authority to, on my behalf, execute all the
documents I shall sign as stipulated in the Exclusive Option Agreement entered into by and among myself, the WFOE, and Hangzhou Tuya on December 23, 2014 and the Equity Pledge Agreement entered into by and among me, the WFOE, and Hangzhou Tuya on
December 23, 2014 (including any modifications, amendments, and restatements thereto, collectively referred to as the “Transaction Documents”), and perform the terms of the Transaction Documents. 

  
 1 

Strictly Confidential 

 All the actions associated with My Shareholding conducted by the WFOE shall be deemed as my
own actions, and all the documents related to My Shareholding executed by the WFOE shall be deemed as executed by me. I hereby acknowledge and ratify those actions and/or documents by the WFOE. 

The WFOE is entitled to re-authorize or assign its rights related to the aforesaid matters to any
other person or entity at its own discretion and without giving prior notice to me or obtaining my consent. If required by PRC laws, the WFOE shall designate a PRC citizen to exercise the aforementioned rights. 

During the period that I am a shareholder of Hangzhou Tuya, this Power of Attorney shall be irrevocable and continuously effective and valid
from the date of execution of this Power of Attorney. 
 During the term of this Power of Attorney, I hereby waive all the rights associated
with My Shareholding, which have been authorized to the WFOE through this Power of Attorney, and shall not exercise such rights by myself. 

This Power of Attorney is written in Chinese and English. The Chinese version and English version shall have equal legal validity. 

  
 2 

Strictly Confidential 

 IN WITNESS WHEREOF, the Party has executed this Power of Attorney. 

 

			
	Ruixin ZHOU
		
	By:	 	 /s/ Ruixin ZHOU

	Date:	 	 December 23, 2014

  
 3 

Strictly Confidential 

			
	Accepted by:
	
	Hangzhou Aixiangji Technology Co., Ltd.
		
	By:	 	 /s/ Liaohan CHEN

	Name:	 	Liaohan CHEN
	Title:	 	Legal Representative

  
 4 

Strictly Confidential

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