| －機械零件來料加工 |
| --- Supplementary works to existing materials |
| －製造金屬制件，包括：鐵器，不銹鋼等 |
| --- Manufacture metal parts inc. steel , stainless stell etc. |
| －外勤安裝大型金屬制件 |
| --- Labour-provided Field operation for instalation to large --- scale metal parts |
| －外勤機械維修 |
| --- Labour-provided Field operation for repairment of --------- machanicial parts |
| ----包括：－屋苑設施維修 |
| ------inc. ------- Estate Facilities repairment |
| ------------ － 廠房設備維修 |
| ----------------------- - Factory facilities repairment |
| ------------ － 燈光維修 |
| ----------------------- - Lighting facilities repairment |
| ------------ － 吊機維修 |
| ----------------------- - Crane repairments |
| ------------ － 鐵器維修 |
| ----------------------- - -Metal Parts repairment |
| － 打砂 |
| --- Sandblasting |
| －噴油 |
| --- Painting |
| －專科焊接 |
| --- Professinated Welding |
| －打磨 |
| --- Vaishing |
| |