| LC Pretech Limited | Private company limited by shares | Live |
| JY PRETECH CO., LIMITED | | Live |
| Pretech Technology Co., Limited | Private company limited by shares | Live |
| PRETECH (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| EASTERN PRETECH (HK) LIMITED | Private company limited by shares | Live |
| Pretech Technology H.K. Limited | Private company limited by shares | Live |
| Pretech Holding Limited | Private company limited by shares | Live |
| PreTech Group Holdings Limited | Private company limited by shares | Live |
| Pretech Industrial Co., Limited | Private company limited by shares | Live |
| PRETECH INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| MIDEA PRETECH DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SEUNGHWA PRETECH HK LIMITED | Private company limited by shares | Live |
| CHINESE HEALTH PRETECTION ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |