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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash, Accounts Receivable and Inventories (Details) - USD ($)
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Cash      
Cash equivalents $ 0 $ 0  
Accounts Receivable, net      
Allowances for doubtful accounts from accounts receivable 123,621 38,386  
Inventories, net      
Impairment of inventories $ 0 $ 0 $ 0