| Flowtechnology HK Limited | Private company limited by shares | Live |
| FLOW-TECK VALVE CO., LIMITED | Private company limited by shares | Live |
| FLOWTON COMPANY LIMITED | Private company limited by shares | Dissolved |
| FLOWTON CORPORATION LIMITED | Private company limited by shares | Live |
| FLOWTRIM LIMITED | Private company limited by shares | Dissolved |
| FLOWTRON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FLOWVES ASIAN COMPANY LIMITED | Private company limited by shares | Live |
| Floww Limited | | Live |
| FLOWW STUDIO LIMITED | | Live |
| FLOWWERK LIMITED | Private company limited by shares | Dissolved |
| FLOWYET INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| FLOWYET INVESTMENTS LIMITED | Private company limited by shares | Dissolved |