Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Net sales	$ 13,328,936	$ 7,644,929
Cost of goods sold	11,155,717	6,194,450
Gross profit	2,173,219	1,450,479
Operating expenses:
Selling, general, and administrative	1,304,019	1,126,637
Research and development	757,216	946,980
Total operating expenses	2,061,235	2,073,617
Income (loss) from operations	111,984	(623,138)
Other income (loss), net:
Interest income	3,052	2,517
Income from governmental subsidy	64,188	68,947
Other income (loss), net	(14,084)	(12,586)
Total other income (loss), net	53,156	58,878
Income (loss) before provision for income taxes	165,140	(564,260)
Income tax provision (benefit)	41,970	(136,001)
Net income (loss)	123,170	(428,259)
Non-controlling interests in net loss (income) of subsidiary at 48.2%	55,564	(9,033)
Net income (loss) attributable to Parent Company	$ 178,734	$ (437,292)
Basic earnings (loss) per share attributable to Parent Company stockholders	$ 0.02	$ (0.04)
Diluted earnings (loss) per share attributable to Parent Company stockholders	$ 0.02	$ (0.04)
Weighted average common shares outstanding - basic	10,570,203	10,520,203
Weighted average common shares outstanding - diluted	10,682,166	10,520,203
Comprehensive income (loss)
Net income (loss)	$ 123,170	$ (428,259)
Translation adjustments	(13,843)	9,584
Comprehensive income (loss)	109,327	(418,675)
Comprehensive loss (income) attributable to non-controlling interest	55,564	(9,033)
Comprehensive income (loss) attributable to controlling interest	$ 164,891	$ (427,708)