| Sinoroble Limited | Private company limited by shares | Live |
| SINOROCK COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sino-Rock Investment Management Company Limited | Private company limited by shares | Live |
| SinoRock Star Investment Limited | Private company limited by shares | Live |
| SINOROLE LIMITED | Private company limited by shares | Dissolved |
| SINORON LIMITED | Private company limited by shares | Dissolved |
| SINORON INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sinoroo Trading (HK) Limited | Private company limited by shares | Live |
| SINOROOT LIMITED | Private company limited by shares | Dissolved |
| SINOROOT INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Sinoros Limited | Private company limited by shares | Live |
| SINOROTOR BRAKES CO., LIMITED | Private company limited by shares | Live |
| SINOROUTES LIMITED | Private company limited by shares | Dissolved |