| 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 |
| Sinheung Co., Limited | Private company limited by shares | Live |
| SINHEUNG IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Live |
| Sinhigh Technology Co., Limited | Private company limited by shares | Live |
| Shenzhen Sinhigh Technology Co., Limited | Private company limited by shares | Live |
| SOLO FASHION (SIN-HK.) TRADING LIMITED | Private company limited by shares | Dissolved |
| SINHO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINHO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINHOM LIMITED | Private company limited by shares | Live |
| SINHON LIMITED | Private company limited by shares | Dissolved |
| SINHON INSURANCE BROKERS LIMITED | Private company limited by shares | Dissolved |
| SINHON TECH LIMITED | | Live |
| HO SIN-HONG LIMITED | Private company limited by shares | Live |
| SINHOO Limited | Private company limited by shares | Live |
| Sinhoo Co., Limited | Private company limited by shares | Dissolved |
| Sinhope Financial Company Limited | | Live |
| SINHOYA DEVELOPMENT LIMITED | | Live |