Consolidated Statements of Comprehensive (Loss) Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Net sales	$ 8,847,779	$ 8,983,643	$ 18,503,325	$ 17,092,583
Cost of goods sold	(8,010,704)	(8,037,601)	(16,153,090)	(14,552,679)
Gross profit	837,075	946,042	2,350,235	2,539,904
Operating expenses:
Selling, general and administrative	1,540,162	1,335,967	2,770,884	2,575,602
Research and development	852,854	976,415	1,719,809	1,946,535
Total operating expenses	2,393,016	2,312,382	4,490,693	4,522,137
Loss from operations	(1,555,941)	(1,366,340)	(2,140,458)	(1,982,233)
Other income, net:
Interest income	151,753	62,675	405,768	122,737
Income from governmental subsidy	5,466	17,166	16,566	34,313
Gain from the forgiveness of accounts payable and accrued liabilities	0	165,000	0	165,000
Gain from foreign currency transactions	347,446	1,073,109	148,472	124,222
Other income, net	186,460	83,465	317,575	41,083
Total other income, net	691,125	1,401,415	888,381	487,355
(Loss) income before provision (benefit) for income taxes	(864,816)	35,075	(1,252,077)	(1,494,878)
Income tax (benefit) provision	(215,157)	118,866	(265,217)	15,483
Net (loss) income	(649,659)	(83,791)	(986,860)	(1,510,361)
Less: noncontrolling interests in net income (loss) of subsidiary at 33.7%	114,956	294,533	35,451	(5,046)
Net (loss) attributable to Parent Company	(764,615)	(378,324)	(1,022,311)	(1,505,315)
Comprehensive (loss) income
Net loss	(649,659)	(83,791)	(986,860)	(1,510,361)
Translation adjustments	139,112	388,257	65,643	74,039
Comprehensive (loss) income	(510,547)	304,466	(921,217)	(1,436,322)
Less: comprehensive income (loss) attributable to noncontrolling interest	114,956	294,533	35,451	(5,046)
Comprehensive (loss) income attributable to controlling interest	$ (625,503)	$ 9,933	$ (956,668)	$ (1,431,276)