Schedule of reconciliation between income tax expense and accounting profit (Details) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Notes and other explanatory information [abstract]
Tax calculated based on profit before tax and statutory tax rate	$ 11,467	$ 28,055
Effects from adjustments based on tax regulation	(7,182)
Change in assessment of realization of deferred tax assets		(432,068)
Prior year income tax under estimation	519	19,588
Others	708
Tax on unappropriated retained earnings		1,377
Income tax (credit) expense	$ 5,512	$ (383,048)

Tax calculated based on profit before tax and statutory tax rate.

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Tax on unappropriated retained earnings.

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The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)]

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