| HASTON LIMITED | Private company limited by shares | Dissolved |
| HASTON LIMITED | Private company limited by shares | Live |
| HASTON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HASTON (HK) LIMITED | Private company limited by shares | Dissolved |
| Haston (HK) Limited | Private company limited by shares | Live |
| HASTON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HASTON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HASTON INVESTMENT PROMOTION LIMITED | Private company limited by shares | Dissolved |
| HASTON TRADING LIMITED | Private company limited by shares | Dissolved |