| Company Name | Type | Status |
|---|---|---|
| CHINA SIWEI GROUP CO., LIMITED | Private company limited by shares | Live |
| SIWEI ENTERPRISES LIMITED | Live | |
| SIWEI INVESTMENTS LIMITED | Live | |
| HK SIWEIDA MACHINERY LIMITED | Private company limited by shares | Dissolved |
| SIWEIKU TRADING LIMITED | Private company limited by shares | Live |
| HK SIWEIMING LIMITED | Private company limited by shares | Live |
| HK SIWEIQI CO., LIMITED | Private company limited by shares | Live |
| SIWEITE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIWEIYA LIMITED | Private company limited by shares | Live |