| JOINTOP LIMITED | Private company limited by shares | Dissolved |
| JOINTOP LIMITED | Private company limited by shares | Dissolved |
| JOINTOP LIMITED | Private company limited by shares | Live |
| JOINTOP INC LIMITED | Private company limited by shares | Live |
| Jointop Enterprise Limited | Private company limited by shares | Live |
| JOINTOP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CANTON-HONGKONG JOINT-OPERATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-HONG KONG JOINT-OPERATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| KWONGTUNG-HONGKONG JOINT-OPERATIONAL COMPANY LIMITED | Private company limited by shares | Live |