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Cash and cash equivalents (Tables) | 12 Months Ended
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Dec. 31, 2015
Cash and cash equivalents [Abstract] |
Schedule of cash and cash equivalents balance |
|  | December 31, 2014 |  |  | December 31, 2015 |
|  | Amount |  |  | RMB equivalent |  |  | Amount |  |  | RMB equivalent |
RMB |  |  | 394,214 |  |  |  | 394,214 |  |  |  | 450,802 |  |  |  | 450,802 |
US$ |  |  | 13,205 |  |  |  | 80,814 |  |  |  | 73,632 |  |  |  | 478,132 |
Total |  |  |  |  |  |  | 475,028 |  |  |  |  |  |  |  | 928,934 |

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- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
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