ADVANCES TO VENDORS (Details) - USD ($)	Mar. 31, 2026	Mar. 31, 2025
ADVANCES TO VENDORS
Advances to vendors for outsourcing the value-added services	$ 5,020,775	$ 9,400,197
Less: allowance for doubtful accounts	0	0
Advances to vendors, net	5,020,775	9,400,197
Vendor advances to be realized	$ 2,500,000	$ 8,990,000
Percentage of vendor advance to be realized	49.90%	95.60%

Amount of advances to vendors to be realized on rendering of services outsourced.

No definition available.

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Percentage of advances to vendors to be realized on rendering of services outsourced.

No definition available.

Name:	YSXT_AdvancesToBeRealizedOnRenderingOfServiceByVendorPercentage
Namespace Prefix:	YSXT_
Data Type:	dtr-types:percentItemType
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Period Type:	instant

No definition available.

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Amount of advances to vendors after allowance for doubtful accounts.

No definition available.

Name:	YSXT_AdvancesToVendorsAfterAllowanceOfDoubtfulAccounts
Namespace Prefix:	YSXT_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of allowance for doubtful accounts on advances to vendors.

No definition available.

Name:	YSXT_AdvancesToVendorsAllowanceOfDoubtfulAccounts
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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Amount of advances to vendors before allowance for doubtful accounts.

No definition available.

Name:	YSXT_AdvancesToVendorsBeforeAllowanceOfDoubtfulAccounts
Namespace Prefix:	YSXT_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant