Consolidated Statements of Income And Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Net sales	$ 44,330,954	$ 15,546,182	$ 173,147,982	$ 37,680,312
Cost of goods sold	36,764,858	12,511,391	142,618,200	30,033,382
Gross profit	7,566,096	3,034,791	30,529,782	7,646,930
Operating expenses:
Selling, general and administrative	1,136,761	988,096	4,067,246	2,606,600
Research and development	1,199,525	834,478	3,329,649	2,754,414
Total operating expenses	2,336,286	1,822,574	7,396,895	5,361,014
Income from operations	5,229,810	1,212,217	23,132,887	2,285,916
Other income, net:
Interest income	1,954	38,679	6,608	134,270
Income from governmental subsidy	40,929	0	107,362	4,114
Gain from the forgiveness of payroll protection plan loan	0	0	487,300	0
Other income (loss), net	116,382	42,000	(52,670)	68,378
Total other income (loss), net	159,265	80,679	548,600	206,762
Income before provision for income taxes	5,389,075	1,292,896	23,681,487	2,492,678
Income tax provision	1,192,277	233,032	5,331,417	408,892
Net income	4,196,798	1,059,864	18,350,070	2,083,786
Less: non-controlling interests in net income of subsidiary at 33.7%	0	0	0	189,106
Less: non-controlling interests in net income (loss) of subsidiary at 35.8%	258,245	71,556	634,546	71,556
Net income attributable to Parent Company	$ 3,938,553	$ 988,308	$ 17,715,524	$ 1,823,124
Basic income per share attributable to Parent Company stockholders	$ 0.34	$ 0.09	$ 1.57	$ 0.17
Diluted income per share attributable to Parent Company stockholders	$ 0.33	$ 0.09	$ 1.54	$ 0.17
Weighted average common shares outstanding - basic	11,581,629	10,580,576	11,271,168	10,574,841
Weighted average common shares outstanding - diluted	11,792,292	10,699,773	11,481,830	10,694,038
Comprehensive income
Net income	$ 4,196,798	$ 1,059,864	$ 18,350,070	$ 2,083,786
Translation adjustments	(20,255)	(54,340)	264,265	(35,590)
Comprehensive income	4,176,543	1,005,524	18,614,335	2,048,196
Less: comprehensive income attributable to non-controlling interest	258,245	71,556	634,546	260,662
Comprehensive income attributable to controlling interest	$ 3,918,298	$ 933,968	$ 17,979,789	$ 1,787,534