| SG Wintech Company Limited | Private company limited by shares | Dissolved |
| Wintech Oem Limited | Private company limited by shares | Live |
| WINTECH 88 LIMITED | Private company limited by shares | Live |
| WIN-TECH ALLIANCE LIMITED | Private company limited by shares | Live |
| WINTECH ASCENT LIMITED | Private company limited by shares | Live |
| WINTECH (ASIA) LIMITED | Private company limited by shares | Dissolved |
| WINTECH (ASIA) LIMITED | Private company limited by shares | Dissolved |
| WINTECH ASIA ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Wintech Biotechnology Limited | Private company limited by shares | Live |
| WINTECH BUILDERS LIMITED | Private company limited by shares | Live |
| WINTECH CAPITAL LIMITED | Private company limited by shares | Dissolved |
| Wintech Capital Limited | Private company limited by shares | Live |
| WINTECH CENTURY COMPANY LIMITED | Private company limited by shares | Live |
| WINTECH CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| Wintech Chemicals (HK) Limited | | Live |
| WINTECH (CHINA) LIMITED | Private company limited by shares | Dissolved |
| CHINA WINTECH LIMITED | Private company limited by shares | Live |
| WINTECH (CHINA) LIMITED | Private company limited by shares | Live |
| WinTech China Holding Limited | Private company limited by shares | Live |
| WINTECH MAX CO., LIMITED | Private company limited by shares | Live |
| Wintech Holding Co., Limited | Private company limited by shares | Live |
| Wintech Plastic Machinery Co., Limited | Private company limited by shares | Live |
| WINTECH SOLUTIONS CO., LIMITED | Private company limited by shares | Live |
| WinTech Tooling Co., Limited | Private company limited by shares | Live |
| WINTECH INTERNATIONAL INTEGRATED COMMUNICATION LIMITED | Private company limited by shares | Live |
| WINTECH COMPONENTS LIMITED | Private company limited by shares | Live |
| WIN-TECH CONCEPT COMPANY LIMITED | Private company limited by shares | Dissolved |
| WINTECH CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| Wintech Construction Limited | Private company limited by shares | Live |
| WINTECH CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| WINTECH CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| WINTECH CORPORATE CONSULTANTS LIMITED | Private company limited by shares | Live |
| WIN-TECH CORPORATION LIMITED | Private company limited by shares | Dissolved |
| WINTECH CORPORATION LIMITED | Private company limited by shares | Live |
| WINTECH CORPORATION LIMITED | | Live |
| WINTECH INTERNATIONAL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| WINTECH CREATION LIMITED | Private company limited by shares | Live |
| WINTECH INTERNATIONAL CREATION LIMITED | Private company limited by shares | Dissolved |
| WINTECH DEVELOP LIMITED | Private company limited by shares | Dissolved |
| WINTECH TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| WINTECH DIAMOND TOOLS CO., LIMITED | Private company limited by shares | Live |
| WINTECH DUPLICATION LIMITED | Private company limited by shares | Dissolved |
| WINTECH FAR EAST LIMITED | Private company limited by shares | Dissolved |
| FAR EAST WINTECH LIMITED | Private company limited by shares | Live |
| EASTERN WINTECH LIMITED | Private company limited by shares | Live |
| Wintech Elecstocks (HK) Limited | Private company limited by shares | Live |
| WINTECH ELECTRONIC (CHINA) CO. LIMITED | Private company limited by shares | Live |
| WINTECH ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| WINTECH ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| WINTECH PCB ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| WINTECH ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| WINTECH ELECTRONICS (H.K.) LIMITED | Private company limited by shares | Live |
| WINTECH ELECTRONICS (H.K.) LIMITED | Private company limited by shares | Live |
| CENTURY WINTECH ELECTRONICS (H.K.) LIMITED | Private company limited by shares | Live |
| WINTECH INTERNATIONAL (HK) ELECTRONICS LIMITED | Private company limited by shares | Live |
| WINTECH ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK WINTECH TECHNOLOGY ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| WINTECH (HK) ELECTRONICS TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| WINTECH ELECTRONICS (HK) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| WinTech Electronics Trading Limited | Private company limited by shares | Live |
| WINTECH (M & E) ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WIN-TECH ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| EZ WINTECH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WINTECH E&M ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WINTECH CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WINTECH CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Wintech Construction Engineering Limited | | Live |
| WINTECH FOUNDATION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Wintech Engineering (HK) Limited | | Live |
| WINTECH ENGINEERING & TRADING LIMITED | Private company limited by shares | Live |
| WINTECH ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Wintech Enterprise Limited | Private company limited by shares | Live |
| WINTECH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WINTECH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WINTECH ENTERPRISES LIMITED | Private company limited by shares | Live |
| WINTECH ENTERPRISES LIMITED | | Live |
| WINTECH INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WINTECH ETRADE LIMITED | Private company limited by shares | Live |
| WINTECH FINANCE LIMITED | Private company limited by shares | Live |
| WINTECH FOOTWEAR LIMITED | Private company limited by shares | Dissolved |
| FOREVER WINTECH LIMITED | Private company limited by shares | Dissolved |
| WINTECH FORTUNE LIMITED | Private company limited by shares | Dissolved |
| WINTECH GARMENT LIMITED | Private company limited by shares | Dissolved |
| WINTECH GARMENT LIMITED | Private company limited by shares | Dissolved |
| WIN-TECH GLOBAL LIMITED | Private company limited by shares | Dissolved |
| GLOBAL WINTECH LIMITED | Private company limited by shares | Live |
| WINTECH GLOBAL LIMITED | Private company limited by shares | Live |
| GLOBAL WINTECH GROUP LIMITED | Private company limited by shares | Dissolved |
| GLOBAL WINTECH GROUP LIMITED | Private company limited by shares | Live |
| GLOBAL WINTECH ENTERPRISES GROUP LIMITED | Private company limited by shares | Live |
| GOLD WINTECH LIMITED | Private company limited by shares | Live |
| WINTECH GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| Wintech Group HK Limited | Private company limited by shares | Live |
| WINTECH ASIA GROUP LIMITED | Private company limited by shares | Dissolved |
| WINTECH GROUP (CHINA) LIMITED | Private company limited by shares | Live |
| WINTECH GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| GOLD WINTECH ENTERPRISES GROUP LIMITED | Private company limited by shares | Live |
| Wintech International Holding Group Limited | Private company limited by shares | Live |
| WINTECH INVESTMENT (GROUP) LIMITED | Private company limited by shares | Dissolved |
| Wintech (HK) Limited | Private company limited by shares | Live |