| WINTECH ENTERPRISE (H.K.) LIMITED | Private company limited by shares | Live |
| Win-Tech Plastic (HK) Limited | Private company limited by shares | Live |
| WIN-TECH (HONG KONG) ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| WINTECH HONG KONG INVESTMENT LIMITED | Private company limited by shares | Live |
| WINTECH HONG KONG LIMITED | Private company limited by shares | Live |
| HONG KONG WINTECH CO. LIMITED | Private company limited by shares | Live |
| WINTECH (HONG KONG) LIMITED | | Live |
| Wintech International (Hong Kong) Limited | Private company limited by shares | Dissolved |
| WINTECH MACHINERY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| WINTECH PETROLEUM (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Win-Tech Technology Limited | Private company limited by shares | Live |
| Hong Kong Win-tech Trade Co., Limited | | Live |
| WINTECH INT'L (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| WINTECH INC. LIMITED | Private company limited by shares | Live |
| WINTECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WINTECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WIN-TECH INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| WINTECH INTERNATIONAL INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| WINTECH TIRE INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| WINTECH INDUSTRIAL (HK) LIMITED | Private company limited by shares | Dissolved |
| WINTECH INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WINTECH PRECISION INDUSTRIAL LIMITED | Private company limited by shares | Live |
| WINTECH INDUSTRIAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WINTECH INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |
| WINTECH INDUSTRY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WINTECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SUN WINTECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WINTECH INTERNATIONAL LIMITED | | Live |
| WINTECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WINTECH ASIA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WINTECH INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WINTECH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WINTECH MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| Wintech Capital Management Limited | Private company limited by shares | Live |
| WINTECH MANUFACTURING COMPANY LIMITED | Private company limited by shares | Live |
| WINTECH IND MANUFACTURING CO., LIMITED | Private company limited by shares | Live |
| WINTECH MANUFACTURING (HK) LIMITED | Private company limited by shares | Dissolved |
| WINTECH TOYS MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| WINTECH MARINE CO., LIMITED | Private company limited by shares | Live |
| WINTECH CONSTRUCTION MATERIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Wintech New Materials Technology Co., Limited | | Live |
| WinTech Medical Technology Limited | | Live |
| WIN-TECH MEMORY LIMITED | Private company limited by shares | Live |
| WIN-TECH MOLD CO., LIMITED | Private company limited by shares | Live |
| WINTECH OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WINTECH OPTICAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ORIENTAL WINTECH LIMITED | Private company limited by shares | Live |
| WINTECH PACIFIC LIMITED | Private company limited by shares | Dissolved |
| WINTECH PACIFIC LIMITED | Private company limited by shares | Live |
| WINTECH ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| WINTECH ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| WIN-TECH PC'S LIMITED | Private company limited by shares | Dissolved |
| WINTECH PROPERTIES LIMITED | Private company limited by shares | Live |
| Wintech Rapid Manufacturing Co., Limited | Private company limited by shares | Live |
| WINTECH RAPID TOOLING MANUFACTURING CO., LIMITED | Private company limited by shares | Live |
| Wintech Resources Limited | Private company limited by shares | Live |
| WINTECH CAPITAL RESOURCES LIMITED | Private company limited by shares | Live |
| WINTECH SAFETY LIMITED | Private company limited by shares | Live |
| WINTECH SHIPPING LIMITED | Private company limited by shares | Dissolved |
| WINTECH INTERNATIONAL SHIPPING LIMITED | Private company limited by shares | Dissolved |
| WINTECH SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| WINTECH INFORMATION SYSTEM (HK) LIMITED | Private company limited by shares | Dissolved |
| WINTECH TANNERY COMPANY LIMITED | Private company limited by shares | Live |
| WINTECH TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| WINTECH TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WINTECH TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WINTECH TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Wintech Technology Company Limited | Private company limited by shares | Live |
| Wintech Technology Limited | | Live |
| WINTECH AUTOMOTIVE TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| WINTECH GLASS TECHNOLOGY CO., LIMITED | | Live |
| WINTECH (HK) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Wintech (HK) Communication Technology Limited | Private company limited by shares | Live |
| Wintech Technology Consultants Limited | Private company limited by shares | Live |
| WinTech Digital Technology Limited | Private company limited by shares | Live |
| WINTECH ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WINTECH TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Live |
| WIN-TECH (INTERNATIONAL) TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| WINTECH MICROELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WINTECH NETWORK TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Wintech Precision Technology Limited | Private company limited by shares | Live |
| Wintech Solar Technology Limited | Private company limited by shares | Live |
| WIN-TECH TECHNOLOGY SYSTEMS LIMITED | Private company limited by shares | Live |
| Wintech Tecnology HK Limited | Private company limited by shares | Live |
| WINTECH TEXTILES LIMITED | Private company limited by shares | Dissolved |
| WINTECH TOYS COMPANY LIMITED | Private company limited by shares | Live |
| WINTECH TRADING LIMITED | Private company limited by shares | Live |
| EASY WINTECH TRADING LIMITED | Private company limited by shares | Live |
| WINTECH INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| WINTECH TRADING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WINTECH TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| WINTECH TRANSPORTATION LIMITED | Private company limited by shares | Live |
| WinTech WaterWorks Limited | Private company limited by shares | Live |
| WINTECH METAL WORKS LIMITED | Private company limited by shares | Live |
| WINTECH-AIR AIR-CONDITIONING LIMITED | Private company limited by shares | Live |
| JIANGSU WINTECHEM CO., LIMITED | Private company limited by shares | Live |
| HK WINTECH-HK LIMITED | Private company limited by shares | Live |
| WINTECHMICRO LIMITED | Private company limited by shares | Dissolved |
| WINTECHNOLOGY INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| WINTECH-TRANS HK LIMITED | Private company limited by shares | Live |