| Company Name | Type | Status |
|---|---|---|
| FTS Heating Limited | Private company limited by shares | Live |
| LIANHE ELECTRIC HEATING CO., LIMITED | Private company limited by shares | Live |
| Jinzhang Electric Heating Component Limited | Private company limited by shares | Live |
| STEPWISE HEATING LIMITED | Private company limited by shares | Dissolved |
| HB HEATING SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| HB Heating Systems Limited | Private company limited by shares | Live |
| SKYWIN ELECTRIC HEATING TECHNOLOGY LIMITED | Private company limited by shares | Live |