| CHINA CYTOBIO (CCB) CO., LIMITED | Private company limited by shares | Dissolved |
| Cytochondria International Trade Limited | Private company limited by shares | Live |
| Hong Kong International CytoMed Technology Company Limited | | Live |
| HK RUNSHENG CYTOMED TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CYTOMED THERAPEUTICS CHINA LIMITED | | Live |
| CYTOMICS LIMITED | Private company limited by shares | Live |
| Hong Kong CytoSol Biopharma Company Limited | Private company limited by shares | Live |
| Shenzhen Cytouch Electronics Limited | Private company limited by shares | Live |
| Cytowake HK Limited | Private company limited by shares | Live |
| CYTOWISE LIMITED | Private company limited by shares | Live |
| CYTOZYME ASIA LIMITED | Private company limited by shares | Dissolved |
| CYTOZYME FAR EAST AND CHINA LIMITED | Private company limited by shares | Dissolved |
| CYTOZYME LABORATORIES LIMITED | Private company limited by shares | Dissolved |