Consolidated Statements of Comprehensive (Loss) Income (unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net sales	$ 6,176,499	$ 11,851,971	$ 24,679,824	$ 28,944,554
Cost of goods sold	5,659,050	9,806,461	21,812,140	24,359,140
Gross profit	517,449	2,045,510	2,867,684	4,585,414
Operating expenses:
Selling, general and administrative	1,261,147	1,463,433	4,032,031	4,039,035
Research and development	811,470	1,052,672	2,531,279	2,999,207
Total operating expenses	2,072,617	2,516,105	6,563,310	7,038,242
Loss from operations	(1,555,168)	(470,595)	(3,695,626)	(2,452,828)
Other (loss) income, net:
Interest income	155,433	158,418	561,201	281,155
Income from governmental subsidy	(59)	7,197	16,507	41,510
Gain from the forgiveness of accounts payable and accrued liabilities	0	25,293	0	190,293
Loss from foreign currency transactions	(366,078)	(199,226)	(217,606)	(75,004)
Other (loss) income, net	142,788	111,888	460,363	152,971
Total other (loss) income, net	(67,916)	103,570	820,465	590,925
Loss before benefit for income taxes	(1,623,084)	(367,025)	(2,875,161)	(1,861,903)
Income tax benefit	(312,764)	(578,664)	(577,981)	(563,181)
Net (loss) income	(1,310,320)	211,639	(2,297,180)	(1,298,722)
Less: non-controlling interests in net loss of subsidiary at 33.7%	(134,640)	(35,990)	(99,189)	(41,036)
Net (loss) income attributable to Parent Company	$ (1,175,680)	$ 247,629	$ (2,197,991)	$ (1,257,686)
(Loss) income per share attributable to Parent Company stockholders - basic	$ (0.10)	$ 0.02	$ (0.19)	$ (0.11)
(Loss) income per share attributable to Parent Company stockholders - diluted	$ (0.10)	$ 0.02	$ (0.19)	$ (0.11)
Weighted average common shares outstanding - basic	11,784,280	11,784,280	11,784,280	11,720,776
Weighted average common shares outstanding - diluted	11,784,280	11,784,280	11,784,280	11,720,776
Comprehensive (loss) income
Net (loss) income	$ (1,310,320)	$ 211,639	$ (2,297,180)	$ (1,298,722)
Translation adjustments	(146,761)	(139,752)	(81,118)	(65,713)
Comprehensive (loss) income	(1,457,081)	71,887	(2,378,298)	(1,364,435)
Less: comprehensive loss attributable to non-controlling interest	(134,640)	(35,990)	(99,189)	(41,036)
Comprehensive (loss) income attributable to controlling interest	$ (1,322,441)	$ 107,877	$ (2,279,109)	$ (1,323,399)