| Company Name | Type | Status |
|---|---|---|
| HK WINTECH-HK LIMITED | Private company limited by shares | Live |
| WINTECHMICRO LIMITED | Private company limited by shares | Dissolved |
| WINTECHNOLOGY INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| WINTECH-TRANS HK LIMITED | Private company limited by shares | Live |
| WINTECH-TRANS COMPRESSING CO LIMITED | Private company limited by shares | Dissolved |