After nearly 30 years of deep cultivation in the fan industry, Shuangyang Fan has obtained over 80 patents, including 10 invention patents. This reflects Shuangyang Fan's continuous commitment to research and innovation.
Here are 10 of the top ventilating and fire smoke exhaust fan manufacturers in China, based on industry reputation, market presence, certifications, and product range (especially in ventilation and smoke extraction for civil and industrial buildings.
According to the statistical data of member enterprises of the Wind Turbine Association from 2021 to 2023, the comprehensive ranking of the enterprise in the heating, ventilation, and air conditioning system (HVAC) fan sub industry ranks 4th in the HVAC fan sub industry of the Wind Turbine Association member enterprises based on various economic indicators!
Built in 2019 and put into operation in 2021, as the 4th production base in our nearly 30 years development history, the Metro Tunnel manufacturing workshop has been providing high-quality fans and efficient ventilation and fire protection solutions for metro tunnel projects all over the world.