| TK Advancetech Limited | Private company limited by shares | Dissolved |
| ADVANCETECH ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| AdvanceTech Engineering Limited | Private company limited by shares | Live |
| ADVANCETECH INC. (H.K.) LIMITED | Private company limited by shares | Dissolved |
| KWANGTUNG ADVANCETECH (HONG KONG) CORPORATION LIMITED | Private company limited by shares | Dissolved |
| ADVANCETECH MFG. CO. LIMITED | Private company limited by shares | Live |
| ADVANCETECH PRODUCTS MFG. CO. LIMITED | Private company limited by shares | Dissolved |
| ABC ADVANCE-TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |