| Company Name | Type | Status |
|---|---|---|
| SIN-HAI OFFSHORE COMPANY LIMITED | Private company limited by shares | Live |
| SINHAI SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINHANG PRINTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINHANG (CHINA) PRINTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONG SINHANG MACHINERY LIMITED | Private company limited by shares | Live |
| SINHARBOUR RESOURCE (HK) LIMITED | Private company limited by shares | Live |
| SINHAY LIMITED | Private company limited by shares | Dissolved |