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

DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS - Legal Ownership and Country Risk (Details)

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DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS - Legal Ownership and Country Risk (Details) - CNY (¥)
¥ in Millions
1 Months Ended 12 Months Ended
Sep. 12, 2016
Sep. 30, 2016
Mar. 31, 2017
Acquisition      
Period in which PRC government pursuing economic reform policies     30 years
Puhua Technology      
Acquisition      
Percentage of equity interest acquired 60.00% 60.00%  
Cash consideration ¥ 2.0 ¥ 2.0