| CHEMOCEAN QINGDAO CO., LIMITED | Private company limited by shares | Live |
| CHEMOCEANS INTERNATIONAL CO., LIMITED | | Live |
| CHEMO(HK) LIMITED | Private company limited by shares | Dissolved |
| CHEMOIL COMPANY LIMITED | Private company limited by shares | Dissolved |
| ChemOne Hong Kong Limited | Private company limited by shares | Live |
| Chemont Trading Limited | Private company limited by shares | Live |
| YETAI CHEMOPLAST COMPANY LIMITED | Private company limited by shares | Live |
| CHEMOPLASTIC LIMITED | | Live |
| CHEMOREACT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Chemoscience Hong Kong Limited | Private company limited by shares | Live |
| Chemosensor Limited | Private company limited by shares | Live |
| CHEMOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| DAI-ICHI CHEMOTECHNIK LIMITED | Private company limited by shares | Live |
| Chemours Hong Kong Holding Limited | Private company limited by shares | Live |
| CHEMOX LIMITED | Private company limited by shares | Live |