Other Non-Current Assets (Details) - Schedule of Estimated Amortization Expenses of Lease Advance Payments	Dec. 31, 2023 USD ($)
Schedule of Estimated Amortization Expenses of Lease Advance Payments [Abstract]
2024	$ 1,895,610
2025	1,895,610
2026	1,895,610
2027	$ 476,837

Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee in the fourth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	cga_FutureMinimumSubleaseRentalSaleLeasebackTransactionsDueInRollingYearFour
Namespace Prefix:	cga_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant