| Chamser Limited | | Live |
| HONG KONG CHAMSION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHAMSION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHAMSLIT TRADING LIMITED | Private company limited by shares | Dissolved |
| CHAMSON INDUSTRY LIMITED | Private company limited by shares | Live |
| CHAMSON TECHTRONIC LIMITED | Private company limited by shares | Live |
| CHAMSPIN LIMITED | Private company limited by shares | Dissolved |
| CHAM-STATE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHAMSUN COMPANY LIMITED | Private company limited by shares | Live |
| CHAMSUN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |