LONG-TERM BORROWINGS - Interest expenses (Details) - USD ($)	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024
LONG-TERM BORROWINGS
Interest expenses	$ 13,406	$ 15,563

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration