| WELSUN LIMITED | Private company limited by shares | Live |
| Welsun Electronic Co., Limited | Private company limited by shares | Live |
| WELSUN TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| WELSUN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| WELSUN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELSUN SOLAR FASHION COMPANY LIMITED | Private company limited by shares | Live |
| GLOBAL WELSUN CO., LIMITED | Private company limited by shares | Live |
| WELSUN INDUSTRIAL (HK) LIMITED | Private company limited by shares | Live |
| HONG KONG WELSUN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| WELSUN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WELSUN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WELSUN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HK WEL-SUN INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| HK WEL-SUN INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| WELSUN RICH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WELSUN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WELSUN X-RAY & MEDICAL LABORATORY LIMITED | Private company limited by shares | Dissolved |