| H K SOIL MECHANICS (CONSTRUCTION) LIMITED | Private company limited by shares | Dissolved |
| ATOMIC MECHANICS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK TAIMING PUMPING KAIYI THREESTARS MECHANICS GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK MECHANICS AND TRADE LIMITED | Private company limited by shares | Live |
| NEO MECHANICS TRADING LIMITED | | Live |
| HK ZhongYuan Mechanics Limited | Private company limited by shares | Dissolved |
| TCM Standard Mechanism Limited | Private company limited by shares | Live |
| MechaniX Limited | Private company limited by shares | Live |
| MECHANTEX LIMITED | Private company limited by shares | Dissolved |
| C & C MECHANTRONIC LIMITED | Private company limited by shares | Dissolved |