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Note 6 - Prepayment for land use right (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
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Details |  |
Prepayment for land use right | $ 1,987,685 | $ 0

X
- Definition Represents the monetary amount of Prepayment for land use right, as of the indicated date. + References No definition available. + Details
Name: | fil_PrepaymentForLandUseRight
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_TextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration