| WINJOIN LIMITED | Private company limited by shares | Dissolved |
| WINJOIN INTERNATIONAL (HK) ELECTRON CO., LIMITED | Private company limited by shares | Live |
| WINJOIN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WINJOIN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WINJOIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WINJOIN OILFIELD SERVICE LIMITED | Private company limited by shares | Live |
| WinJoin Technology Co., Limited | | Live |
| WINJOINIT LIMITED | Private company limited by shares | Live |