Advance to Suppliers, Net (Details) - Schedule of advance to suppliers, net - USD ($)	Jun. 30, 2021	Mar. 31, 2021
Schedule of advance to suppliers, net [Abstract]
Advance to suppliers	$ 111,434	$ 3,036,693
Less: allowances for doubtful accounts
Advance to suppliers, net	$ 111,434	$ 3,036,693

Carrying value of capitalized payments made in advance for inventory that is expected to be received within one year or the normal operating cycle, if longer.

No definition available.

Name:	jrsh_AdvancesonInventoryPurchase
Namespace Prefix:	jrsh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant