| COOLMA TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| COOLMAB COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 04-May-2016 |
| COOLMART CORPORATE LIMITED | Private company limited by shares | Live |
| COOLMASTER LIMITED | Private company limited by shares | Live |
| Coolmax Technology Co., Limited | Private company limited by shares | Live |
| HONGKONG COOL-MAX CULTURE GROUP LIMITED | Private company limited by shares | Live |
| COOLMAX INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Wuhu Coolmax Heat Exchanger Co., Limited | Private company limited by shares | Live |
| Coolmay Limited | Private company limited by shares | Live |
| COOLMAY CONSULTATION CO., LIMITED | Private company limited by shares | Live |
| Coolmay (HK) Technology Co., Limited | Private company limited by shares | Live |