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LEASES - Operating lease related assets and liabilities (Details)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CNY (¥)
Jun. 30, 2019
CNY (¥)
Operating lease related assets and liabilities recorded on the balance sheets      
Rights of use lease assets $ 76,420 ¥ 532,491 ¥ 0
Operating lease liabilities - current 91,919 640,491 ¥ 0
Present value of lease liabilities $ 91,919 ¥ 640,491