| Company Name | Type | Status |
|---|---|---|
| YUNKAI COMPANY LIMITED | Private company limited by shares | Dissolved |
| YUNKAI LIMITED | Private company limited by shares | Dissolved |
| YUNKAI OCEAN SHIPPING LIMITED | Private company limited by shares | Dissolved |
| YUNKAI TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK Cishi Yunkai Technology Company Limited | Live |