| CHINA (HONG KONG) HEFEI RONGSHIDA CRYOGEN CO., LIMITED | Private company limited by shares | Live |
| Cryogen Solution International Limited | Private company limited by shares | Live |
| CRYOGENESIS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CRYOGENIC GAS LIMITED | Private company limited by shares | Dissolved |
| PCL Cryogenic Limited | Private company limited by shares | Live |
| ASIA CRYOGENIC LIMITED | Private company limited by shares | Live |
| JOINVOL CRYOGENICS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |