Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

ACCOUNTS RECEIVABLE, NET - Receivable summary (Details)

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ACCOUNTS RECEIVABLE, NET - Receivable summary (Details)
Dec. 31, 2017
USD ($)
Dec. 31, 2017
CNY (¥)
Mar. 31, 2017
CNY (¥)
Mar. 31, 2016
CNY (¥)
Mar. 31, 2015
CNY (¥)
ACCOUNTS RECEIVABLE, NET          
Accounts receivable   ¥ 103,059,565 ¥ 61,560,981    
Less: allowance for doubtful accounts   (2,954,538) (5,399,726) ¥ (4,875,266) ¥ (5,003,118)
Accounts receivable, net $ 15,385,861 ¥ 100,105,027 ¥ 56,161,255