Variable Interest Entities (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Current Assets
Cash and cash equivalents	$ 78,706,500	$ 117,546,683	$ 78,706,500	$ 117,546,683	$ 72,259,804	$ 150,805,639
Accounts receivable, net	156,080,809		156,080,809		145,190,160
Inventories	114,448,765		114,448,765		162,013,889
Related party receivable	148,919		148,919		0
Advances to suppliers	30,944,718		30,944,718		32,713,817
Total Current Assets	383,290,781		383,290,781		414,954,039
Plant, Property and Equipment, Net	24,771,055		24,771,055		26,669,938
Other assets	12,228,155		12,228,155		13,352,645
Intangible Assets, Net	16,792,061		16,792,061		17,881,449
Goodwill	7,766,256		7,766,256		7,874,421
Total Assets	445,112,535		445,112,535		481,000,399
Current Liabilities
Accounts payable	15,217,368		15,217,368		19,004,548
Customer deposits	7,525,826		7,525,826		6,514,619
Amount due to related parties	4,027,537		4,027,537		3,641,945
Total Current Liabilities	74,433,031		74,433,031		84,444,714
Long-term Loan
Total Liabilities	74,433,031		74,433,031		84,444,714
Stockholders' equity	370,679,505		370,679,505		396,555,686	$ 392,547,786
Total Liabilities and Stockholders' Equity	445,112,535		445,112,535		481,000,399
Revenue	49,565,009	52,254,463	100,386,580	110,209,269
Expenses	36,618,503	7,969,471	56,590,650	13,699,258
Net income (loss)	(27,080,880)	2,505,735	(34,396,679)	11,517,540
Variable Interest Entities [Member]
Current Assets
Cash and cash equivalents	1,976,908		1,976,908		818,312
Accounts receivable, net	32,439,136		32,439,136		29,933,837
Inventories	21,662,460		21,662,460		19,944,011
Other current assets	488,256		488,256		475,001
Related party receivable	148,919		148,919		(1,031)
Advances to suppliers	1,113,526		1,113,526		3,606,384
Total Current Assets	57,829,205		57,829,205		54,776,514
Plant, Property and Equipment, Net	9,134,270		9,134,270		9,753,039
Other assets	215,547		215,547		218,549
Intangible Assets, Net	9,705,603		9,705,603		10,212,668
Goodwill	3,164,702		3,164,702		3,208,779
Total Assets	80,049,327		80,049,327		78,169,549
Current Liabilities
Accounts payable	13,563,387		13,563,387		17,250,276
Customer deposits	460,944		460,944		256,489
Accrued expenses and other payables	7,287,949		7,287,949		6,243,753
Amount due to related parties	42,596,012		42,596,012		42,680,723
Total Current Liabilities	63,908,292		63,908,292		66,431,241
Long-term Loan	0		0		0
Total Liabilities	63,908,292		63,908,292		66,431,241
Stockholders' equity	16,141,035		16,141,035		11,738,308
Total Liabilities and Stockholders' Equity	80,049,327		80,049,327		$ 78,169,549
Revenue	12,776,975	12,911,414	28,220,513	30,896,434
Expenses	12,280,810	13,571,628	23,701,306	28,943,442
Net income (loss)	$ 496,165	$ (660,214)	$ 4,519,207	$ 1,952,992