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

Consolidated Statements of Comprehensive Income (loss) (Parenthetical)

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Consolidated Statements of Comprehensive Income (loss) (Parenthetical) - CNY (¥)
9 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2018
Mar. 31, 2017
Consolidated Statements of Comprehensive Income (Loss)      
Income tax on foreign currency translation adjustment ¥ 0 ¥ 0 ¥ 0
Income tax on unrealized loss on available-for-sale investment 0 0 0
Income tax on reclassification adjustment for loss on available-for-sale investment included in net income ¥ 0 ¥ 0 ¥ 0