| HUISIDA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HK HUISIHAI INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| Huisika Trading Co., Limited | | Live |
| HONG KONG HUISING TRADING LIMITED | Private company limited by shares | Live |
| HUISING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Huising Hong Kong Construction Project Limited | Private company limited by shares | Live |
| Huis'Investment Consulting Co., Limited | Private company limited by shares | Dissolved |
| HONGKONG HUISISHU MEDICATED FOOD SHARE LIMITED | Private company limited by shares | Live |
| HUISITONG BURNING EQUIPMENT INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |