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Segment information and revenue analysis (Details 2) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
REVENUES	$ 1,437,848	$ 280,000
Mainland China [Member]
REVENUES	1,417,848	2,589,823	5,505,734
Outside Mainland China [Member]
REVENUES	20,000	280,000
Total Revenues [Member]
REVENUES	$ 1,437,848	$ 2,869,823	$ 5,505,734

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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