Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Statement of Cash Flows [Abstract]
Net (loss) income	$ (702,148)	$ 864,059
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	1,209,053	1,224,322
Stock-based compensation expenses	943,023	484,250
Credit Loss (recovery)	16,768	(66,980)
Amortization of operating lease right-of-use assets	300,559	416,090
Changes in operating assets:
Accounts receivable	(392,484)	(2,894,162)
Bills receivable		87,573
Inventories	7,034,774	13,942,970
Prepaid expenses and other current assets	(470,777)	814,878
Advance to suppliers	(2,942,296)	(1,910,244)
Changes in operating liabilities:
Accounts payable	(1,945,505)	(1,530,458)
Accrued expenses	(520,948)	(251,048)
Other payables	133,937	(265,119)
Deferred revenue	1,112,963	(696,006)
Operating lease liabilities	(238,237)	(336,984)
Income tax payable	(1,112,062)	(1,704,261)
Net cash provided by operating activities	2,426,620	8,178,880
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property, plant, and equipment	(348,238)	(635,878)
Payments for construction of properties	(270,599)	(2,575,669)
Payment for long-term deposits	(317,386)	(247,610)
Net cash used in investing activities	(936,223)	(3,459,157)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividend payments	(1,229,484)	(1,229,484)
Investment of noncontrolling interest		31,365
Repayment from short-term loan	(5,566,040)	(3,118,339)
Proceeds from short-term loan	9,136,277	3,118,339
Net cash provided by (used in) financing activities	2,340,753	(1,198,119)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND RESTRICTED CASH	16,018	(123,491)
NET INCREASE IN CASH AND RESTRICTED CASH	3,847,168	3,398,113
CASH, AND RESTRICTED CASH, BEGINNING OF THE PERIOD	14,036,867	19,411,603
CASH, AND RESTRICTED CASH, END OF THE PERIOD	17,884,035	22,809,716
CASH, AND RESTRICTED CASH, END OF THE PERIOD	17,884,035	22,809,716
LESS: NON-CURRENT RESTRICTED CASH	1,545,457	1,608,074
CASH, END OF THE PERIOD	16,338,578	21,201,642
Supplemental disclosure information:
Cash paid for interest	983,352	748,185
Income tax paid	1,329,150	2,371,705
Non-cash investing and financing activities
Equipment obtained by utilizing long-term deposit	262,017	358,620
Operating lease right of use assets obtained in exchange for operating lease obligations	$ 67,512	$ 177,068