Variable Interest Entities (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017	Jun. 30, 2017	Jul. 01, 2016
Current Assets
Cash and cash equivalents	$ 153,639,728	$ 118,259,995	$ 153,639,728	$ 118,259,995	$ 123,050,548	$ 102,896,486
Accounts receivable, net	159,291,526		159,291,526		140,252,335
Inventories	80,715,004		80,715,004		78,013,891
Related party receivable	556,286		556,286		1,412,844
Advances to suppliers	19,059,434		19,059,434		24,023,062
Total Current Assets	416,992,063		416,992,063		370,954,462
Plant, Property and Equipment, Net	33,637,684		33,637,684		34,191,332
Other assets	17,291,085		17,291,085		17,829,621
Intangible Assets, Net	21,874,916		21,874,916		22,911,876
Goodwill	8,604,536		8,604,536		8,651,238
Total Assets	498,710,633		498,710,633		455,681,630
Current Liabilities
Short-term loan	1,750,100		1,750,100		7,678,111
Accounts payable	22,099,127		22,099,127		19,643,897
Customer deposits	4,781,397		4,781,397		7,046,570
Amount due to related parties	3,329,975		3,329,975		3,071,102
Total Current Liabilities	48,268,633		48,268,633		49,718,116
Long-term Liabilities
Long-term debt					3,549
Total Liabilities	55,924,237		55,924,237		58,153,577
Stockholders' equity	442,786,396		442,786,396		397,528,052
Total Liabilities and Stockholders' Equity	498,710,633		498,710,633		455,681,629
Revenue	82,550,883	81,305,628	209,283,028	201,935,263
Expenses	11,533,912	11,658,746	32,304,904	38,085,808
Net income (loss)	7,627,033	8,191,675	20,547,967	21,049,266
Variable Interest Entity [Member]
Current Assets
Cash and cash equivalents	1,174,732		1,174,732		374,587
Accounts receivable, net	31,971,388		31,971,388		30,687,859
Inventories	23,387,611		23,387,611		21,314,940
Other current assets	1,166,727		1,166,727		2,195,156
Related party receivable	556,286		556,286
Advances to suppliers	1,728,629		1,728,629		2,380,812
Total Current Assets	59,985,373		59,985,373		56,953,354
Plant, Property and Equipment, Net	12,322,679		12,322,679		12,418,906
Other assets	238,813		238,813		225,508
Intangible Assets, Net	12,173,920		12,173,920		13,002,818
Goodwill	3,506,296		3,506,296		3,837,038
Total Assets	88,227,081		88,227,081		86,437,624
Current Liabilities
Short-term loan					166,311
Accounts payable	19,197,636		19,197,636		18,355,921
Customer deposits	471,786		471,786		1,375,785
Accrued expenses and other payables	3,873,176		3,873,176		3,833,868
Amount due to related parties	45,063,604		45,063,604		42,741,043
Total Current Liabilities	68,606,202		68,606,202		66,472,928
Long-term Liabilities
Long-term debt					3,549
Total Liabilities	68,606,202		68,606,202		66,476,477
Stockholders' equity	19,620,879		19,620,879		19,961,147
Total Liabilities and Stockholders' Equity	88,227,081		88,227,081		$ 86,437,624
Revenue	16,127,953	24,130,308	47,205,271	49,630,476
Expenses	13,749,981	22,740,434	39,340,523	45,707,439
Net income (loss)	$ 940,622	$ 1,389,874	$ 1,140,302	$ 3,923,037