Document:

EX-4.33

 Exhibit 4.33 

Power of Attorney 
 I,
Zhengdong Zhu, a PRC citizen with PRC Identification Card No.: 320102196806142439, and a holder of 79% of the entire registered capital in Beijing Champion Healthcare Education Technology Co., Ltd. (“Domestic Company”) as of
the date of this Power of Attorney, hereby irrevocably authorize Beijing Zhongxi Champion Healthcare Education Technology Co., Ltd. (“WFOE”) to exercise the following rights relating to all equity interests held by me now and in the
future (“My Shareholding”) during the term of this Power of Attorney: 
 WFOE is hereby authorized to act on behalf of
myself as my exclusive agent and attorney with respect to all matters concerning My Shareholding, including without limitation to 1) attend shareholders’ meetings of Domestic Company; 2) exercise all the shareholder’s rights and
shareholder’s voting rights I am entitled to under the PRC laws and Domestic Company’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) designate
and appoint on behalf of myself the legal representative, the directors, supervisors, the chief executive officer and other senior management members of Domestic Company. 

Without limiting the generality of the powers granted hereunder, WFOE shall have the power and authority to, on behalf of myself, execute all
the documents I shall sign as stipulated in the Exclusive Option Agreement entered into by and among I, WFOE, Domestic Company and other relevant party on the date of this Power of Attorney, and the Equity Pledge Agreement entered into by and among
I, WFOE, Domestic Company and other relevant party on the date of this Power of Attorney (including any modification, amendment and restatement thereto, collectively the “Transaction Documents”), and perform the obligations under
the Transaction Documents. 
 All the actions associated with My Shareholding conducted by WFOE shall be deemed as my own actions, and all
the documents related to My Shareholding executed by WFOE shall be deemed to be executed by me. I hereby acknowledge and ratify those actions taken and/or documents signed by WFOE. 

  
 1 

 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 the PRC laws, WFOE shall designate a PRC citizen to exercise the aforementioned rights. 

I hereby warrant, notwithstanding any changes to My Shareholding after the date of this Power of Attorney, I authorize WFOE to, on behalf of
myself, exercise all the shareholder’s rights in Domestic Company. 
 This Power of Attorney shall be irrevocable and continuously
valid from the date of this Power of Attorney, so long as I am a shareholder of Domestic Company. 
 During the term of this Power of
Attorney, I hereby waive all the rights associated with My Shareholding, which have been authorized to WFOE through this Power of Attorney, and shall not exercise such rights by myself. 

This Power of Attorney is written in Chinese and English; in case there is any conflict between the Chinese version and the English version,
the Chinese version shall prevail. 
 The Remainder of this page is intentionally left blank. 

  
 2 

					
	 Zhengdong Zhu
  
	  	
	By:	  	 /s/ Zhengdong Zhu
	  	
	  
 Accepted by:

 
	  	
	 Beijing Zhongxi Champion Healthcare Education Technology Co., Ltd.

 

	By:	  	 /s/ Zhengdong Zhu
	  	
	Name:	  	Zhengdong Zhu	  	
	Title:	  	Legal Representative	  	
	  
 Acknowledged by:

 
	  	
	 Beijing Champion Healthcare Education Technology Co., Ltd.

 

	By:	  	 /s/ Zhengdong Zhu
	  	
	Name:	  	Zhengdong Zhu	  	
	Title:	  	Legal Representative	  	

 December 28, 2015 

  
 3EX-4.34

 Exhibit 4.34 

Power of Attorney 
 I,
Baohong Yin, a PRC citizen with PRC Identification Card No.: 320102196710242849, and a holder of 21% of the entire registered capital in Beijing Champion Healthcare Education Technology Co., Ltd. (“Domestic Company”) as of
the date of this Power of Attorney, hereby irrevocably authorize Beijing Zhongxi Champion Healthcare Education Technology Co., Ltd. (“WFOE”) to exercise the following rights relating to all equity interests held by me now and in the
future (“My Shareholding”) during the term of this Power of Attorney: 
 WFOE is hereby authorized to act on behalf of
myself as my exclusive agent and attorney with respect to all matters concerning My Shareholding, including without limitation to 1) attend shareholders’ meetings of Domestic Company; 2) exercise all the shareholder’s rights and
shareholder’s voting rights I am entitled to under the PRC laws and Domestic Company’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) designate
and appoint on behalf of myself the legal representative, the directors, supervisors, the chief executive officer and other senior management members of Domestic Company. 

Without limiting the generality of the powers granted hereunder, WFOE shall have the power and authority to, on behalf of myself, execute all
the documents I shall sign as stipulated in the Exclusive Option Agreement entered into by and among I, WFOE, Domestic Company and other relevant party on the date of this Power of Attorney, and the Equity Pledge Agreement entered into by and among
I, WFOE, Domestic Company and other relevant party on the date of this Power of Attorney (including any modification, amendment and restatement thereto, collectively the “Transaction Documents”), and perform the obligations under
the Transaction Documents. 
 All the actions associated with My Shareholding conducted by WFOE shall be deemed as my own actions, and all
the documents related to My Shareholding executed by WFOE shall be deemed to be executed by me. I hereby acknowledge and ratify those actions taken and/or documents signed by WFOE. 

  
 1 

 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 the PRC laws, WFOE shall designate a PRC citizen to exercise the aforementioned rights. 

I hereby warrant, notwithstanding any changes to My Shareholding after the date of this Power of Attorney, I authorize WFOE to, on behalf of
myself, exercise all the shareholder’s rights in Domestic Company. 
 This Power of Attorney shall be irrevocable and continuously
valid from the date of this Power of Attorney, so long as I am a shareholder of Domestic Company. 
 During the term of this Power of
Attorney, I hereby waive all the rights associated with My Shareholding, which have been authorized to WFOE through this Power of Attorney, and shall not exercise such rights by myself. 

This Power of Attorney is written in Chinese and English; in case there is any conflict between the Chinese version and the English version,
the Chinese version shall prevail. 
 The Remainder of this page is intentionally left blank. 

  
 2 

					
	 Baohong Yin
  
	  	
	By:	  	 /s/ Baohong Yin
	  	
	  
 Accepted by:

 
	  	
	 Beijing Zhongxi Champion Healthcare Education Technology Co., Ltd.

 

	By:	  	 /s/ Zhengdong Zhu
	  	
	Name:	  	Zhengdong Zhu	  	
	Title:	  	Legal Representative	  	
	  
 Acknowledged by:

 
	  	
	 Beijing Champion Healthcare Education Technology Co., Ltd.

 

	By:	  	 /s/ Zhengdong Zhu
	  	
	Name:	  	Zhengdong Zhu	  	
	Title:	  	Legal Representative	  	

 December 28, 2015 

  
 3EX-4.35

 Exhibit 4.35 

LETTER OF UNDERTAKING 
 To: Beijing
Zhongxi Champion Healthcare Education Technology Co., Ltd. (“Zhongxi Healthcare Education”) 
 We, Zhu Zhengdong and Yin Baohong, respectively
and irrevocably, hereby covenant with and undertake to Zhongxi Healthcare Education as at the date hereof that: 
  

	 	(a)	If, as a shareholder of Beijing Champion Healthcare Education Technology Co., Ltd. (“Champion Healthcare Education”), I receive any dividends, interests, other distributions or remnant assets after liquidation
from Champion Healthcare Education, unless restricted by laws, regulations or legal procedures, I will remit all such income to Zhongxi Healthcare Education without compensation after paying the corresponding tax and/or any other expense required by
laws, regulations or legal procedures; 

  

	 	(b)	If, as a shareholder of Champion Healthcare Education, unless restricted by laws, regulations or legal procedures, upon the exercise of the call option of Zhongxi Healthcare Education pursuant to the Exclusive Option
Agreement entered into by and among Zhongxi Healthcare Education, Champion Healthcare Education and me as of December 28, 2015, I will transfer all or part of the equity interests to Zhongxi Healthcare Education on a nominal or minimal purchase
price; 

  

	 	(c)	If, as a shareholder of Champion Healthcare Education, I receive any purchase consideration for all or part of the equity interests transferred to Zhongxi Healthcare Education by me upon the exercise, from time to time,
of the call option of Zhongxi Healthcare Education pursuant to the Exclusive Option Agreement, unless restricted by laws, regulations or legal procedures, I will remit all such consideration to Zhongxi Healthcare Education without compensation after
paying the corresponding tax and/or any other expense required by laws, regulations or legal procedures. 

  

	 	(d)	As a shareholder of Champion Healthcare Education, I shall act in the best interest of Zhongxi Healthcare Education unless restricted by laws, regulations or legal procedures. 

Dated: December 28, 2015 
  

			
	Zhu Zhengdong
	 ID Card No.: 320102196806142439
  

	By:	 	 /s/ Zhengdong Zhu

	  
 Yin Baohong

	 ID Card No.: 320102196710242849
  

	By:	 	 /s/ Baohong Yin

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