| ANNIS WU & ASSOCIATES LIMITED | Private company limited by shares | Live |
| Annis Dora Biological Technology Co., Limited | Private company limited by shares | Live |
| HONG KONG ANNIS HOLDINGS LIMITED | Private company limited by shares | Live |
| Annis (Hong Kong) Investment Limited | Private company limited by shares | Live |
| CHANGYUAN INT'L USA ANNISIDUN BIOLOGICAL ENGINEERING RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| ANNISS ESTATES LIMITED | Private company limited by shares | Dissolved |
| ANNISS TRADING COMPANY LIMITED | Private company limited by shares | Live |
| ANNISTON LIMITED | Private company limited by shares | Dissolved |
| ANNISTON LIMITED | Private company limited by shares | Dissolved |
| ANNISTOR INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |