| SINO-TEK ENGINEERING SERVICES LIMITED | Private company limited by shares | Live |
| SINOTEK ELECTRONIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SHANGHAI SINOTEK TEXTILE & EMBROIDERY COMPANY LIMITED | Private company limited by shares | Live |
| SINOTEL LIMITED | Private company limited by shares | Dissolved |
| SINOTEL LIMITED | Private company limited by shares | Dissolved |
| Sinotel Limited | | Live |
| SINOTELLIGENCE LIMITED | Private company limited by shares | Live |
| Sinotender Limited | Private company limited by shares | Live |
| SINOTENG INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| SINOTENNA CO. (HK) LIMITED | Private company limited by shares | Live |
| SINOTERM LIMITED | Private company limited by shares | Dissolved |
| China Sinotest Science & Technology Co., Limited | Private company limited by shares | Live |
| SINOTEST TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| SINOTEX LIMITED | Private company limited by shares | Dissolved |
| SINOTEX LIMITED | Private company limited by shares | Live |
| Sinotex Limited | Private company limited by shares | Live |
| SINOTEX AGENCY LIMITED | Private company limited by shares | Dissolved |
| Sinotex Asia Limited | Private company limited by shares | Live |
| SINOTEX (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINOTEX (CHINA) LIMITED | Private company limited by shares | Live |
| Sinotex Classic Limited | Private company limited by shares | Live |
| Sinotex Co., Limited | | Live |
| SINOTEX CREATION LIMITED | Private company limited by shares | Dissolved |
| SINOTEX DEVELOP LIMITED | Private company limited by shares | Dissolved |
| SINOTEX ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-TEX FABRICS LIMITED | Private company limited by shares | Dissolved |
| SINOTEX ENTERPRISE GROUP LIMITED | Private company limited by shares | Dissolved |
| SINOTEX INVESTMENT (GROUP) LIMITED | Private company limited by shares | Dissolved |
| SINOTEX INVESTMENT (GROUP) LIMITED | Private company limited by shares | Dissolved |
| SINOTEX IMP&EXP LIMITED | Private company limited by shares | Live |
| SINOTEX INCORPORATION LIMITED | Private company limited by shares | Live |
| SINOTEX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOTEX INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOTEX INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINOTEX (P&D) COMPANY LIMITED | Private company limited by shares | Live |
| SINOTEX TRADING LIMITED | Private company limited by shares | Dissolved |
| SINOTEX TRADING LIMITED | Private company limited by shares | Live |
| SINOTEX HK TRADING LIMITED | Private company limited by shares | Dissolved |
| SINOTEX TRADING INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOTEXT LIMITED | Private company limited by shares | Dissolved |