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Other Non-Current Assets (Tables)
12 Months Ended
Dec. 31, 2016
Other Non-Current Assets [Abstract]  
Summary of other non-current assets

 

 

As of December 31,

 

 

 

2015

 

2016

 

2016

 

 

 

RMB

 

RMB

 

US$

 

Rental deposits

 

7,517

 

7,599

 

1,094

 

Non-current portion of prepayments to suppliers and other business related expenses

 

10,229

 

8,448

 

1,217

 

Total

 

17,746

 

16,047

 

2,311