| WINCHI ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WINCHI INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WINCHI TRAVEL LIMITED | Private company limited by shares | Live |
| WINCHIFU ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WINCHIK INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WINCHILL LIMITED | Private company limited by shares | Live |
| WINCHILL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WINCHIP CO., LIMITED | | Live |
| WINCHIP HIGHTECH LIMITED | | Live |
| WINCHIP TECHNOLOGY LIMITED | | Live |