| RUIBO ENTERPRISE LIMITED | Private company limited by shares | Live |
| HK RUIBO HOLDING LIMITED | Private company limited by shares | Live |
| RUIBO (HOLDING) INVESTMENT LIMITED | Private company limited by shares | Live |
| CHINA RUIBO NEW MATERIAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK RUIBOKANG INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| Ruibook Technology Hong Kong Co., Limited | | Live |
| GERMANY RUIBOYA BIOTECH (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| GERMANY RUIBOYA BIOTECH GROUP (HONG KONG) CO., LIMITED | Private company limited by shares | Live |