| Huaihai M St. Limited | Private company limited by shares | Live |
| NEIMENGGU HUAIHAI SHIYE CO., LIMITED | Private company limited by shares | Live |
| Huaihai Trading Co., Limited | | Live |
| HUAIHAI GROUP HOLDINGS (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONGKONG HUAIHAI GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG HUAIHAI INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| HUAIHAI INTERNATIONAL INDUSTRIAL (HK) LIMITED | Private company limited by shares | Live |
| HUAIHAI ASSETS MANAGEMENT LIMITED | Private company limited by shares | Live |
| Huaihai New Century Technical School Co., Limited | | Live |
| YANCHENG HUAIHAI PHOSPHOROUS PRODUCTS LIMITED | Private company limited by shares | Dissolved |