| Company Name | Type | Status |
|---|---|---|
| SOST FINE PARTS LIMITED | Private company limited by shares | Dissolved |
| SOSTAR INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SOSTAR INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| SOSTARRY TECH LIMITED | Private company limited by shares | Live |
| Sostrana Limited | Private company limited by shares | Live |