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LEASES - Additionl information (Details)
6 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CNY (¥)
Jul. 01, 2019
USD ($)
Jul. 01, 2019
CNY (¥)
Jun. 30, 2019
CNY (¥)
Lessee, Lease, Description [Line Items]          
Rights of use lease assets $ 76,420 ¥ 532,491     ¥ 0
Operating liabilities $ 91,919 ¥ 640,491      
Lease, Practical Expedients, Package [true false] true        
Lease, Practical Expedient, Use of Hindsight [true false] false        
Minimum          
Lessee, Lease, Description [Line Items]          
Lease term 1 year 1 year      
Maximum          
Lessee, Lease, Description [Line Items]          
Lease term 3 years 3 years      
Restatement | ASU 2016-02          
Lessee, Lease, Description [Line Items]          
Rights of use lease assets     $ 176,372 ¥ 1,228,963  
Operating liabilities     $ 176,372 ¥ 1,228,963