| Sanrui (Hong Kong) Biotechnology Co., Limited | Private company limited by shares | Live |
| SANRUI ELECTRONICS CO., LIMITED | | Live |
| Sanrui Seiko (Hong Kong) Co., Limited | | Live |
| SANRUI (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SANRUI (HONGKONG) INTERNATIONAL BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK SANRUI INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SANRUI INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| HK SANRUI INT'L PHARMACEUTICAL INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| SANRUI RECYCLE TRADING COMPANY LIMITED | Private company limited by shares | Live |