| WINDB LIMITED | Private company limited by shares | Live |
| Windbell Co., Limited | Private company limited by shares | Live |
| Windbell Group Company Limited | Private company limited by shares | Live |
| WINDBELL TECHNOLOGY (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Windbell Bird Trading Co., Limited | Private company limited by shares | Live |
| WINDBOOSTER AUTOMOBILE CO., LIMITED | Private company limited by shares | Live |
| WINDBOT LIMITED | Private company limited by shares | Live |
| WINDBURY LIMITED | Private company limited by shares | Dissolved |
| WINDBURY LIMITED | Private company limited by shares | Live |