| TOOLST MACHINERY (HONG KONG) LIMITED | Private company limited by shares | Live |
| TOOLSTEC ASIA LIMITED | Private company limited by shares | Live |
| TOOLSTECH LIMITED | Private company limited by shares | Dissolved |
| TRUMP TOOLSTECH CO., LIMITED | Private company limited by shares | Live |
| BOLOT TOOL-STEEL LIMITED | Private company limited by shares | Live |
| MING LEE TOOL-STEEL (CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| MING LEE TOOL-STEEL AND MACHINES COMPANY LIMITED | Private company limited by shares | Live |
| WING TAI TOOL-STEEL & MACHINES LIMITED | Private company limited by shares | Dissolved |