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Taxes - Schedule of Income Tax Provision at the Federal Statutory Rate and Effective Rate (Details)	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Schedule of Income Tax Provision at the Federal Statutory Rate and Effective Rate [Abstract]
China income taxes	25.00%	25.00%	25.00%
Impact of US and HK tax rate	(7.50%)	9.90%	3.10%
Non-deductible expenses-permanent difference	(1.00%)	5.00%	(2.60%)
Change in valuation allowance	(69.50%)	(34.90%)	(28.10%)
Effective tax rate	(53.00%)	5.00%	(2.60%)

X

- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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- Definition

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

+ References

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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