|Exhibit 4.70
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|            
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Power of Attorney



I, Jiangming Dong, the shareholder of Beijing Star World Technology
Company Limited (“Beijing Star World”), hold 35% equity interest in Beijing Star World. I, hereby, authorize
Qizhi Software (Beijing) Co., Ltd.(“Qizhi Software ”) to exercise all the shareholder rights in connection
with my .35% equity interest in Beijing Star World and irrevocably authorize Qizhi Software to exercise the following rights during
the term of this power of attorney:



I hereby authorize Qizhi Software, as my attorney-in-fact, to
exercise on my behalf, all the shareholder rights in connection with my 35% equity interest in Beijing Star World in accordance
with laws and the Articles of Association of Beijing Star World, including but not limited to: the right to propose to summon shareholders’
meetings, to receive notice regarding convening and agenda of shareholders’ meetings, to attend shareholders’ meetings
and to exercise the voting rights attached to my 35% equity interest in Beijing Star World at the shareholders’ meeting (including
voting on matters such as designation and appointment of directors, general manager, chief financial operator and other senior
management of Beijing Star World, dividends distribution plan and etc., as my authorized representative on the shareholders’
meeting), sell or transfer my 35% equity interest in Beijing Star World.



Qizhi Software is entitled to appoint another individual designated
by its board of directors (or executive directors) to exercise the rights authorized by Beijing Star World under this power of
attorney.



Unless the early termination of Business Operation Agreement
jointly executed by Beijing Star World, Qizhi Software, Zhenyu Xie, Zhengyu Chen and I, no matter for whatever reasons, the term
of this power of attorney is ten (10) years upon the signing date of this power of attorney. If this power of attorney is expired,
I shall agree to extend the term of this power of attorney as requested by Qizhi Software.



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|Authorizer:                                     |                                                          
|----------------------------------------------- | ---------------------------------------------------------
|Jianming Dong                                   |                                                          
|                                                |                                                          
|/s/ Jianming Dong                               |                                                          
|Date: December 17, 2009                         |                                                          
|                                                |                                                          
|Authorizee:                                     |                                                          
|Qizhi Software (Beijing) Co., Ltd.              |                                                          
|                                                |                                                          
|(Chop):                                         | /s/ [Company Stamp of Qizhi Software (Beijing) Co., Ltd.]
|Legal Representative/Authorized Representative: | /s/ Hongyi Zhou                                          
|Date: December 17, 2009                         |                                                          
|                                                |