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ADVANCES TO SUPPLIERS, NET - THIRD PARTIES (Tables)
 12 Months Ended
Dec. 31, 2018
ADVANCES TO SUPPLIERS, NET - THIRD PARTY [Abstract]  
Schedule of Advances to Suppliers
 
 
As of December 31,
 
 
 
2017
 
 
2018
 
 
 
RMB
 
 
RMB
 
Advances to suppliers - current
 
 
404,600,994
 
 
 
672,745,598
 
Provision for advances to suppliers
 
 
(7,524,746
)
 
 
(7,524,746
)
Advances to suppliers, net
 
 
397,076,248
 
 
 
665,220,852