| FLOWTEC LIMITED | Private company limited by shares | Dissolved |
| FLOWTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| FLOWTECH LIMITED | Private company limited by shares | Dissolved |
| FLOWTECH COMPANY LIMITED | Private company limited by shares | Live |
| Ace Flowtech Limited | Private company limited by shares | Live |
| Flowtech HK Limited | Private company limited by shares | Live |
| FLOW-TECH CHEMICALS (HONG KONG) LIMITED | Private company limited by shares | Live |
| C&C FLOWTECH CO., LIMITED | Private company limited by shares | Live |
| P&L FLOWTECH CO., LIMITED | Private company limited by shares | Live |
| MATRA FLOWTECH CO., LIMITED | Private company limited by shares | Live |
| FLOWTECH GROUP LIMITED | Private company limited by shares | Live |
| CHINA FLOWTECH HARDWARE CO., LIMITED | Private company limited by shares | Dissolved |
| Heber Flowtech Group Limited | Private company limited by shares | Live |
| UNITED FLOWTECH HOLDINGS LIMITED | Private company limited by shares | Live |
| FLOWTECH (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONGKONG FLOWTECH INDUSTRIAL EQUIPMENT LIMITED | Private company limited by shares | Live |
| HongKong Flowtech Petroleum Equipments Co., Limited | | Live |
| FLOWTECH INT'L CO., LIMITED | Private company limited by shares | Dissolved |
| Flowtechnology HK Limited | Private company limited by shares | Live |
| FLOW-TECK VALVE CO., LIMITED | Private company limited by shares | Live |