| FITTEC INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| FITTEC ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| HK FITTEC ELECTRONICS AISA GROUP LIMITED | Private company limited by shares | Dissolved |
| HK FITTEC INTERNATIONAL ELECTRONICS LIMITED | Private company limited by shares | Live |
| FIT-TEC HEALTH PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| FITTEC INVESTMENTS LIMITED | Private company limited by shares | Live |
| FIT-TECH LIMITED | Private company limited by shares | Dissolved |
| FIT-TECH (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| FIT-TECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UBNHI Fittech Company Limited | | Live |