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Cash and cash equivalents (Tables)
12 Months Ended
Dec. 31, 2019
Cash and cash equivalents  
Schedule of cash and cash equivalents balance

December 31, 2018

December 31, 2019

    

    

RMB

RMB

Amount

    

equivalent

    

Amount

    

equivalent

RMB

 

4,707,868

 

4,707,868

 

2,154,711

 

2,154,711

US$

 

188,869

 

1,296,284

 

229,198

 

1,598,931

Others

 

N/A

 

79

 

N/A

 

139,896

Total

 

  

 

6,004,231

 

  

 

3,893,538