| RUIKANG CHINA LIMITED | Private company limited by shares | Live |
| RuiKang Industry Trade Co., Limited | Private company limited by shares | Live |
| Ruikang Times Co., Limited | Private company limited by shares | Live |
| RuiKang Investment Limited | Private company limited by shares | Live |
| HK Ruikang Biomedical Technology Limited | Private company limited by shares | Live |
| RUIKANG TRADING LIMITED | Private company limited by shares | Live |
| HK RUIKANGYANG INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| RUIKANGYUAN INTERNATIONAL LIMITED | Private company limited by shares | Live |