v3.25.2
Inventories - Schedule of Inventories (Details)
Mar. 31, 2025
HKD ($)
Mar. 31, 2025
USD ($)
Sep. 30, 2024
HKD ($)
Schedule of Inventories [Abstract]      
Spare parts and other materials $ 4,333,059   $ 3,539,223
Work-in-progress 25,579,918   44,074,158
Inventories, net $ 29,912,977 $ 3,845,498 $ 47,613,381