| STARTON LIMITED | Private company limited by shares | Dissolved |
| STARTON LIMITED | Private company limited by shares | Live |
| Starton EDU Limited | Private company limited by shares | Live |
| AUSTRALIA STARTON HOLDING LIMITED | Private company limited by shares | Dissolved |
| STARTON NONFERROUS METALS CO., LIMITED | Private company limited by shares | Dissolved |
| STARTON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| STARTONE LIMITED | Private company limited by shares | Live |
| STAR-TONE ELECTRONIC CO., LIMITED | Private company limited by shares | Dissolved |
| STARTONE INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| Startone Investments Limited | Private company limited by shares | Live |
| Startone Material Limited | | Live |
| HK STARTONE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| STARTONE TECHNOLOGY LIMITED | Private company limited by shares | Live |