| YOUNGTECH ASIA LIMITED | Private company limited by shares | Dissolved |
| YOUNGTECH ASIA LIMITED | Private company limited by shares | Live |
| YOUNGTECH CO., LIMITED | Private company limited by shares | Live |
| YOUNGTECH TOOLING & DIE CO., LIMITED | Private company limited by shares | Live |
| YOUNGTECH INCORPORATED LIMITED | Private company limited by shares | Dissolved |
| YOUNGTECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| YOUNGTECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| YOUNGTECH TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |