Consolidated Statements of Comprehensive (Loss) Income (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Net sales	$ 8,009,619	$ 6,176,499	$ 39,159,629	$ 24,679,824
Cost of goods sold	(6,655,739)	(5,659,050)	(32,492,185)	(21,812,140)
Gross profit	1,353,880	517,449	6,667,444	2,867,684
Operating expenses:
Selling, general and administrative	2,526,220	1,261,147	5,465,786	4,032,031
Research and development	794,213	811,470	2,745,763	2,531,279
Total operating expenses	3,320,433	2,072,617	8,211,549	6,563,310
Loss from operations	(1,966,553)	(1,555,168)	(1,544,105)	(3,695,626)
Other income (loss), net:
Interest income	184,254	155,433	539,106	561,201
Income from governmental subsidy	0	(59)	0	16,507
Litigation settlement income	1,000,000	0	1,000,000	0
Gain from the forgiveness of accounts payable and accrued liabilities	0	0	247,592	0
Gain (loss) from foreign currency transactions	40,067	(366,078)	(516,524)	(217,606)
Other income, net	107,118	142,788	419,635	460,363
Total other income (loss), net	1,331,439	(67,916)	1,689,809	820,465
(Loss) income before provision (benefit) for income taxes	(635,114)	(1,623,084)	145,704	(2,875,161)
Income tax provision (benefit)	2,592	(312,764)	218,199	(577,981)
Net loss	(637,706)	(1,310,320)	(72,495)	(2,297,180)
Less: noncontrolling interests in net loss of subsidiary at 33.7%	(5,215)	(134,640)	(180,550)	(99,189)
Less: noncontrolling interests in net income of subsidiary at 40.0%	12,295	0	8,914	0
Net (loss) income attributable to Parent Company	$ (644,786)	$ (1,175,680)	$ 99,141	$ (2,197,991)
(Loss) earnings per share attributable to Parent Company stockholders - basic	$ (0.05)	$ (0.10)	$ 0.01	$ (0.19)
(Loss) earnings per share attributable to Parent Company stockholders - diluted	$ (0.05)	$ (0.10)	$ 0.01	$ (0.19)
Weighted average common shares outstanding - basic	11,784,280	11,784,280	11,784,280	11,784,280
Weighted average common shares outstanding - diluted	11,784,280	11,784,280	11,848,707	11,784,280
Comprehensive loss
Net loss	$ (637,706)	$ (1,310,320)	$ (72,495)	$ (2,297,180)
Translation adjustments	(3,809)	(146,761)	(140,113)	(81,118)
Comprehensive loss	(641,515)	(1,457,081)	(212,608)	(2,378,298)
Less: comprehensive income (loss) attributable to non-controlling interest	7,080	(134,640)	(171,636)	(99,189)
Less: foreign exchange translation attributable to non-controlling interest	(1,282)		(47,158)	0
Comprehensive (loss) income attributable to controlling interest	$ (647,313)	$ (1,322,441)	$ 6,186	$ (2,279,109)