| Company Name | Type | Status |
|---|---|---|
| WINTUN COMPANY LIMITED | Private company limited by shares | Live |
| WINTUN - 4TH COMMUNICATION JV LIMITED | Private company limited by shares | Dissolved |
| WINTUN-LIGHTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WINTUN-TECH COMPANY LIMITED | Private company limited by shares | Dissolved |