Segment Information - Schedule of Company Revenue (Details) - USD ($)	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Schedule of Company Revenue [Line Items]
Total	$ 17,302,744	$ 17,631,489	$ 14,748,551
Cable and wire harness [Member]
Schedule of Company Revenue [Line Items]
Revenue	15,986,501	16,385,705	13,626,836
Connectors [Member]
Schedule of Company Revenue [Line Items]
Revenue	$ 1,316,243	$ 1,245,784	$ 1,121,715

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details