| 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 |
| WINTECH-TRANS COMPRESSING CO LIMITED | Private company limited by shares | Dissolved |
| WINTECK CO., LIMITED | Private company limited by shares | Dissolved |
| WINTECK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| WINTECK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Wintein Wellness Industrial Group Co. Limited | Private company limited by shares | Live |
| WINTEK LIMITED | Private company limited by shares | Dissolved |
| WINTEK LIMITED | Private company limited by shares | Live |
| Wintek I&E Co. Limited | Private company limited by shares | Live |
| Wintek Asia Limited | Private company limited by shares | Live |
| Wintek Enterprise Limited | Private company limited by shares | Dissolved |
| WINTEK ENTERPRISES LIMITED | Private company limited by shares | Live |
| WINTEK INC. LIMITED | Private company limited by shares | Live |
| Wintek Innovation Limited | Private company limited by shares | Live |
| WINTEK PLASTIC COMPANY LIMITED | Private company limited by shares | Live |
| WINTEL LIMITED | Private company limited by shares | Live |
| WINTEL INVESTMENT CHINA CO. LIMITED | Private company limited by shares | Dissolved |
| WINTEL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WINTEL GROUP LIMITED | Private company limited by shares | Live |
| WINTEL INTERCONNECT LIMITED | Private company limited by shares | Dissolved |
| WINTEL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Wintel Networks Limited | Private company limited by shares | Live |
| Wintel Software Limited | Private company limited by shares | Live |
| WINTEL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Wintel Digital Technology Limited | Private company limited by shares | Live |
| WINTELA INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WINTELL LIMITED | Private company limited by shares | Live |
| WINTEMPO ELECTRONIC LIMITED | Private company limited by shares | Live |
| WINTEN LIMITED | Private company limited by shares | Dissolved |
| WINTEN (ASIA) LIMITED | Private company limited by shares | Dissolved |
| WINTEN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WinTender Trading Company Limited | Private company limited by shares | Live |
| WINTEP COMPANY LIMITED | Private company limited by shares | Live |
| WINTER COMPANY LIMITED | Private company limited by shares | Dissolved |
| WINTER LIMITED | Private company limited by shares | Dissolved |
| Winter Company Limited | Private company limited by shares | Live |
| WINTER LIMITED | Private company limited by shares | Dissolved |
| Winter Sun Limited | Private company limited by shares | Dissolved |
| WINTER SUN LIMITED | Private company limited by shares | Live |
| WINTER ONE LIMITED | Private company limited by shares | Live |
| LEO WINTER COMPANY LIMITED | Private company limited by shares | Live |
| A. J. WINTER LIMITED | Private company limited by shares | Live |
| WINTER 44 LIMITED | | Live |
| WINTER SKY LIMITED | | Live |
| The Winter Sun Limited | | Live |
| WINTER AGGRESSION COMPANY LIMITED | Private company limited by shares | Dissolved |
| WINTER AIR-CONDITIONING-ENG. CO. LIMITED | Private company limited by shares | Dissolved |
| ARIES WINTER COMPANY LIMITED | Private company limited by shares | Live |
| MEI MEI WINTER SWIMMING ASSOCIATION LIMITED | Private company limited by shares | Live |
| Winter Basement Limited | Private company limited by shares | Live |
| WINTER BEAR LIMITED | Private company limited by shares | Live |
| WINTER CARNIVAL LIMITED | Private company limited by shares | Dissolved |
| Winter & Finch Limited | Private company limited by shares | Live |
| WINTER FORD LIMITED | Private company limited by shares | Live |
| FRUITFUL WINTER LIMITED | Private company limited by shares | Live |
| WINTER GAIN LIMITED | Private company limited by shares | Live |
| WINTER GLORY LIMITED | Private company limited by shares | Live |
| WINTER GLOVE FACTORY LIMITED | Private company limited by shares | Dissolved |
| WINTER HILL LIMITED | Private company limited by shares | Dissolved |
| Winter Maple Co. Limited | | Live |
| Winter Moon Limited | Private company limited by shares | Dissolved |
| WINTER MORNING LIMITED | Private company limited by shares | Dissolved |
| WINTER ORBIT LIMITED | Private company limited by shares | Live |
| WINTER PINE CO. LIMITED | Private company limited by shares | Dissolved |
| WINTER POINT LIMITED | Private company limited by shares | Live |
| Winter Rhythm Limited | Private company limited by shares | Dissolved |
| WINTER SCENE LIMITED | Private company limited by shares | Dissolved |
| WINTER SECRETARIES LIMITED | Private company limited by shares | Dissolved |
| Red Winter Software Limited | Private company limited by shares | Live |
| WINTER STORE LIMITED | Private company limited by shares | Dissolved |
| TAURUS WINTER COMPANY LIMITED | Private company limited by shares | Live |