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Note 9 - Intangible assets, net: Schedule of Intangible assets consisted (Details) - USD ($)
Dec. 31, 2024
Dec. 31, 2023
Less: Accumulated amortization $ (97,484) $ (89,914)
Total intangible assets, net 59,148 55,842
Use Rights    
Total intangible assets, gross 27,126 27,888
Computer Software, Intangible Asset    
Total intangible assets, gross 116,331 104,224
Technology-Based Intangible Assets    
Total intangible assets, gross $ 13,175 $ 13,644