Variable Interest Entities (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019	Jun. 30, 2018
Current Assets
Cash and cash equivalents	$ 41,311,137	$ 69,242,037	$ 41,311,137	$ 69,242,037	$ 72,259,804	$ 150,805,639
Accounts receivable, net	166,452,189		166,452,189		145,190,160
Inventories	62,234,682		62,234,682		162,013,889
Related party receivable	0		0		0
Advances to suppliers	62,935,130		62,935,130		32,713,817
Total Current Assets	336,296,859		336,296,859		414,954,039
Plant, Property and Equipment, Net	23,595,885		23,595,885		26,669,938
Other assets	11,387,890		11,387,890		13,352,645
Intangible Assets, Net	16,103,409		16,103,409		17,881,449
Goodwill	7,631,050		7,631,050		7,874,421
Total Assets	395,274,720		395,274,720		481,000,399
Current Liabilities
Accounts payable	20,310,699		20,310,699		19,004,548
Customer deposits	7,713,614		7,713,614		6,514,619
Amount due to related parties	4,209,526		4,209,526		3,641,945
Total Current Liabilities	79,682,492		79,682,492		84,444,714
Long-term Loan
Total Liabilities	79,682,492		79,682,492		84,444,714
Stockholders' equity	315,592,228	403,318,292	315,592,228	403,318,292	396,555,686	$ 392,547,786
Total Liabilities and Stockholders' Equity	395,274,720		395,274,720		481,000,399
Revenue	85,826,689	108,120,570	186,213,269	218,329,839
Expenses	61,081,805	13,707,663	117,672,455	27,406,921
Net income (loss)	(50,222,309)	5,117,899	(84,618,989)	16,635,439
Variable Interest Entities [Member]
Current Assets
Cash and cash equivalents	1,122,822		1,122,822		818,312
Accounts receivable, net	35,209,724		35,209,724		29,933,837
Inventories	26,070,040		26,070,040		19,944,011
Other current assets	625,112		625,112		475,001
Related party receivable	0		0		(1,031)
Advances to suppliers	576,795		576,795		3,606,384
Total Current Assets	63,604,493		63,604,493		54,776,514
Plant, Property and Equipment, Net	8,738,807		8,738,807		9,753,039
Other assets	59,406		59,406		218,549
Intangible Assets, Net	9,527,049		9,527,049		10,212,668
Goodwill	3,109,606		3,109,606		3,208,779
Total Assets	85,039,361		85,039,361		78,169,549
Current Liabilities
Accounts payable	18,770,058		18,770,058		17,250,276
Customer deposits	588,733		588,733		256,489
Accrued expenses and other payables	7,692,853		7,692,853		6,243,753
Amount due to related parties	42,045,369		42,045,369		42,680,723
Total Current Liabilities	69,097,013		69,097,013		66,431,241
Long-term Loan
Total Liabilities	69,097,013		69,097,013		66,431,241
Stockholders' equity	15,942,348		15,942,348		11,738,308
Total Liabilities and Stockholders' Equity	85,039,361		85,039,361		$ 78,169,549
Revenue	17,465,942	18,875,808	45,686,455	49,772,242
Expenses	17,465,942	16,638,610	41,073,778	45,582,052
Net income (loss)	$ 93,470	$ 2,237,198	$ 4,612,677	$ 4,190,190