| WINKON LIMITED | Private company limited by shares | Live |
| WINKON CHEMICALS LIMITED | Private company limited by shares | Live |
| WINKON DEVELOPMENT LIMITED | Private company limited by shares | Live |
| WINKON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WINKON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| WINKON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Winkon International Limited | Private company limited by shares | Live |
| WINKON RESOURCES LIMITED | Private company limited by shares | Dissolved |
| WINKON TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Winkong Consulting Limited | Private company limited by shares | Live |
| WINKONG TRADING LIMITED | Private company limited by shares | Dissolved |
| WINKONG TRADING LIMITED | Private company limited by shares | Live |
| WINKONLASER TECHNOLOGY LIMITED | Private company limited by shares | Live |