| Suntak H.K Limited | Private company limited by shares | Live |
| SUNTAK ASIA LIMITED | Private company limited by shares | Dissolved |
| SUNTAK CIRCUIT CO., LIMITED | Private company limited by shares | Live |
| SUNTAK ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| SUNTAK ELECTRONICS LIMITED | Private company limited by shares | Live |
| SUNTAK (HK) TECHNOLOGY CO., LIMITED | | Live |
| SUNTAK IOT (Hong Kong) Co., Limited | Private company limited by shares | Live |
| SUNTAK (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SUNTAK CIRCUIT TECHNOLOGY (HONG KONG) CO. LIMITED | Private company limited by shares | Dissolved |
| SUNTAK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SUNTAK INDUSTRIES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SUNTAK INTERNATIONAL GROUP DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Suntak Technology International Limited | Private company limited by shares | Live |
| SUNTAK LOGISTICS (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| SUNTAK MULTILAYER PCB COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNTAK MULTILAYER PCB CO., LIMITED | | Live |
| SUNTAK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUNTAKE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SUNTAKPCB LIMITED | Private company limited by shares | Live |