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Accounts and Notes Receivable, Net (Details 1) - USD ($)
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Receivables [Abstract]    
Beginning balance $ 19,291,772 $ 15,827,348
provision for doubtful accounts 2,601,781 3,145,087
Less: write-off
Exchange rate effect (701,704) 319,336
Ending balance $ 21,191,849 $ 19,291,772