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

NET REVENUES (Details)

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NET REVENUES (Details)
 9 Months Ended 12 Months Ended
Dec. 31, 2017
USD ($)
Dec. 31, 2017
CNY (¥)
Dec. 31, 2016
CNY (¥)
Mar. 31, 2017
CNY (¥)
Mar. 31, 2016
CNY (¥)
NET REVENUES          
Net revenues $ 75,320,704 ¥ 490,059,099 ¥ 435,436,426 ¥ 472,385,716 ¥ 417,139,969
Testing service          
NET REVENUES          
Net revenues   453,225,035   430,056,696 384,799,721
Online education services          
NET REVENUES          
Net revenues   6,552,599   7,462,036 4,896,879
Other revenue          
NET REVENUES          
Net revenues   ¥ 30,281,465   ¥ 34,866,984 ¥ 27,443,369