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INTANGIBLE ASSETS, NET
12 Months Ended
Dec. 31, 2016
INTANGIBLE ASSETS, NET [Abstract]  
INTANGIBLE ASSETS, NET
18.
INTANGIBLE ASSETS, NET
 
Intangible assets and their related amortization are as follow:
 
 
 
As of December 31,
 
 
 
2015
 
2016
 
 
 
RMB
 
RMB
 
Trademark
 
 
3,071,480
 
 
3,071,480
 
Computer software
 
 
22,709,977
 
 
24,964,233
 
Less: accumulated amortization
 
 
(5,309,010)
 
 
(7,738,986)
 
Intangible assets, net
 
 
20,472,447
 
 
20,296,727
 
 
Amortization expense was RMB1,136,953, RMB2,223,458 and RMB3,202,787,for the years ended December 31, 2014, 2015 and 2016, respectively.