Variable Interest Entities (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2018	Jun. 30, 2017
Current Assets
Cash and cash equivalents	$ 117,546,683	$ 145,417,159	$ 117,546,683	$ 145,417,159	$ 150,805,639	$ 123,050,548
Accounts receivable, net	120,505,844		120,505,844		174,460,937
Inventories	115,013,591		115,013,591		53,784,814
Related party receivable	0		0		235,551
Advances to suppliers	40,777,894		40,777,894		25,194,463
Total Current Assets	397,017,730		397,017,730		407,426,651
Plant, Property and Equipment, Net	28,227,394		28,227,394		30,894,683
Other assets	14,311,626		14,311,626		15,885,696
Intangible Assets, Net	18,710,644		18,710,644		20,317,914
Goodwill	7,863,605		7,863,605		8,166,467
Total Assets	466,398,538		466,398,538		482,985,960
Current Liabilities
Short-term loan	4,362,000		4,362,000		4,726,300
Accounts payable	13,312,634		13,312,634		27,128,921
Customer deposits	6,862,214		6,862,214		7,251,967
Amount due to related parties	3,640,504		3,640,504		3,271,619
Total Current Liabilities	71,119,828		71,119,828		83,066,274
Total Liabilities	78,422,571		78,422,571		90,438,173
Stockholders' equity	387,975,967		387,975,967		392,547,787
Total Liabilities and Stockholders' Equity	466,398,538		466,398,538		482,985,960
Revenue	52,254,463	63,599,325	110,209,269	125,727,976
Expenses	7,969,471	8,571,351	13,699,258	20,640,350
Net income	2,505,735	7,826,107	11,517,540	12,920,934
Variable Interest Entities [Member]
Current Assets
Cash and cash equivalents	2,216,592		2,216,592		982,312
Accounts receivable, net	19,385,523		19,385,523		38,295,505
Inventories	25,072,690		25,072,690		21,133,970
Other current assets	703,112		703,112		988,051
Related party receivable	0		0		(359,005)
Advances to suppliers	4,182,891		4,182,891		848,458
Total Current Assets	51,560,808		51,560,808		61,889,291
Plant, Property and Equipment, Net	10,281,928		10,281,928		11,206,667
Other assets	218,249		218,249		226,654
Intangible Assets, Net	10,569,436		10,569,436		11,348,180
Goodwill	3,204,371		3,204,371		3,319,732
Total Assets	75,834,792		75,834,792		87,990,524
Current Liabilities
Short-term loan	0		0		0
Accounts payable	11,903,980		11,903,980		25,584,614
Customer deposits	618,762		618,762		841,694
Accrued expenses and other payables	5,151,624		5,151,624		3,896,340
Amount due to related parties	41,805,103		41,805,103		43,339,286
Total Current Liabilities	59,479,469		59,479,469		73,661,934
Long-term Loan	0		0		0
Total Liabilities	59,479,469		59,479,469		73,661,934
Stockholders' equity	16,355,323		16,355,323		14,328,590
Total Liabilities and Stockholders' Equity	75,834,792		75,834,792		$ 87,990,524
Revenue	10,287,922	10,986,576	25,885,396	26,326,758
Expenses	13,571,628	10,989,225	28,943,442	25,590,542
Net income	$ 3,136,310	$ 1,915,799	$ 5,556,339	$ (239,204)