| HK HAISI LIMITED | Private company limited by shares | Live |
| Haisi Education Limited | Private company limited by shares | Live |
| Haisi trading Limited | Private company limited by shares | Live |
| HK HAISICHENG CO., LIMITED | Private company limited by shares | Live |
| Haisight Investment Fund Limited | Private company limited by shares | Dissolved |
| Haisike (Hongkong) Limited | Private company limited by shares | Live |
| HAISIMAI LIMITED | Private company limited by shares | Live |
| HAISIMEI TRADE LIMITED | Private company limited by shares | Live |
| Haising Metals Limited | Private company limited by shares | Live |
| TAIWAN HAISITE TOOLS GROUP LIMITED | Private company limited by shares | Dissolved |