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Finance costs (Tables)
12 Months Ended
Dec. 31, 2024
Notes and other explanatory information [abstract]  
Schedule of finance costs

Schedule of finance costs

   2024   2024   2023   2022 
   US$   HK$   HK$   HK$ 
                 
Interest on bank loans   340,605    2,645,713    2,863,104    362,190 
Interest on loans from related companies   251,071    1,950,246    2,285,985    2,252,192 
Interest on lease liabilities   720,269    5,594,836    6,300,014    4,987,343 
                     
Finance costs   1,311,945    10,190,795    11,449,103    7,601,725