| HUA XI ORAL CAVITY HOLDING GROUP LIMITED | Private company limited by shares | Live |
| HONGKONG QINGLIAN INTERNATIONAL ORAL CAVITY PRODUCTS LIMITED | Private company limited by shares | Live |
| INTERNATIONAL ORAL CAVITY MEDICAL LIMITED | Private company limited by shares | Live |
| KINLAN (CHINA) MOUTH CAVITY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO ORAL CAVITY RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Mouth cavity Toothpaste Medicine Health (HK) Limited | | Live |
| WORLD ORAL CAVITY GROUP LIMITED | Private company limited by shares | Live |