| Company Name | Type | Status |
|---|---|---|
| WINCHEM LIMITED | Private company limited by shares | Dissolved |
| WIN-CHEM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WINCHEM INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Winchem Industrial Group Limited | Live | |
| WINCHEM INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| WINCHEM CHEMICALS HONG KONG LIMITED | Private company limited by shares | Dissolved |