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INCOME TAX - Deferred tax asset, net (Details)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CNY (¥)
Jun. 30, 2019
CNY (¥)
INCOME TAX      
Allowance for doubtful receivables $ 120,708 ¥ 841,096 ¥ 832,515
Impairment loss from investment in unconsolidated entity 86,920 605,660 605,660
Net operating loss carryforwards 1,177,208 8,202,780 7,456,198
Less: Valuation allowance (1,384,836) (9,649,536) (8,894,373)
Deferred income tax assets, net $ 0 ¥ 0 ¥ 0