Accounts Receivable, Net (Tables)

3 Months Ended

Sep. 30, 2019

Receivables [Abstract]

Schedule of net accounts receivable

	September 30,			June 30,
	2019			2019
Trade accounts receivable	$	10,498,624		$	12,716,120
Less: allowances for doubtful accounts		(6,506,794	)		(5,670,274	)
Accounts receivable, net	$	3,991,830		$	7,045,846

Schedule of movement of allowance for doubtful accounts

	September 30, 2019			June 30, 2019
Beginning balance	$	5,670,274		$	1,682,228
Provision for doubtful accounts		1,023,931			4,091,056
Less: write-off/recovery		(99,366	)		(88,882	)
Exchange rate effect		(88,045	)		(14,128	)
Ending balance	$	6,506,794		$	5,670,274