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TRADE RECEIVABLES (Details Textual) - CNY (¥)
Dec. 31, 2018
Dec. 31, 2017
Disclosure Of TRADE RECEIVABLES [Line Items]    
Allowance of doubtful accounts on trade receivables ¥ 426,849,000 ¥ 95,504,000
Expected credit loss rate 30.00% 13.00%
Five Largest Customers [Member]    
Disclosure Of TRADE RECEIVABLES [Line Items]    
Expected credit loss rate 97.00% 43.00%