| SCIENTECH LIMITED | Private company limited by shares | Dissolved |
| ScienTech Limited | Private company limited by shares | Dissolved |
| Greendo Scientech Co., Limited | Private company limited by shares | Live |
| Yi-Connect Scien-Tech Co., Limited | Private company limited by shares | Live |
| SCIENTECH ENTERPRISES LIMITED | Private company limited by shares | Live |
| Hatuna Scientech Company Limited | Private company limited by shares | Live |
| SCIENTECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Seasmooth Scientechin CO., Limited | | Live |