| MECHATRONICS LIMITED | Private company limited by shares | Dissolved |
| SIU MECHATRONICS CO. LIMITED | Private company limited by shares | Live |
| N9 Mechatronics Limited | Private company limited by shares | Live |
| APG Mechatronics HK Limited | Private company limited by shares | Live |
| LQ MECHATRONICS ASIA LIMITED | Private company limited by shares | Live |
| BLUETECH MECHATRONICS CO., LIMITED | Private company limited by shares | Live |
| SANYUAN COATING MECHATRONICS LIMITED | Private company limited by shares | Live |
| SANYUAN COATING MECHATRONICS LIMITED | Private company limited by shares | Live |
| Comsen Mechatronics Limited | Private company limited by shares | Live |
| Equinox Mechatronics Limited | Private company limited by shares | Live |
| HK First Mechatronics Limited | Private company limited by shares | Dissolved |
| MAGIX MECHATRONICS COMPANY LIMITED | Private company limited by shares | Live |
| MAN POWER MECHATRONICS LIMITED | | Live |
| WAKO MECHATRONICS LIMITED | Private company limited by shares | Dissolved |