| SINOMART JOIN CHANCE LIMITED | Private company limited by shares | Live |
| SINOMART CO., LIMITED | Private company limited by shares | Live |
| SINOMART INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINOMART INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOMART PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SINOMART KAI YUEN PETROCHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-MART TRADE LIMITED | Private company limited by shares | Live |
| SINOMART TRANSPORT LIMITED | Private company limited by shares | Live |