v3.26.1
Note 2 - Summary of significant accounting policies: Revenue recognition: Summary of the company's revenues (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Total revenues $ 15,623,708 $ 12,810,249 $ 14,362,502
At a point in time      
Total revenues 15,623,708 12,810,249 14,362,502
Gross      
Total revenues 15,202,731 12,810,249 14,071,554
Net      
Total revenues 420,977 0 290,948
Customized Products      
Total revenues 10,323,776 10,128,540 11,722,295
Standardized Products      
Total revenues 5,299,932 2,681,709 2,640,207
China, Yuan Renminbi      
Total revenues 10,656,473 5,929,986 5,333,982
Singapore, Dollars      
Total revenues $ 4,967,235 $ 6,880,263 $ 9,028,520