A roof exhaust fan is an electromechanical ventilation unit mounted on a building’s rooftop to actively discharge stale air, excess heat, humidity, fumes, or airborne contaminants from enclosed spaces.
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.
As a leading manufacturer of ventilation, smoke exhaust, and industrial fans, SHUANGYANG FAN is proud to early achieved certification in ISO 9001, ISO 14001, and ISO 45001, demonstrating our long-standing commitment to quality, environmental responsibility, and occupational health and safety.
After years of dedication to lean manufacturing and high standard quality control on various nuclear power plant projects, SHUANGYANG FAN has gained recognition and reputation in this sector, and finally obtained the Qualified Supplier Certificate from CNNC.
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!
SHUANGYANG FAN has a development history of nearly 30 years, accumulating rich technology and a large number of talents, and has won many honors and widespread praise from users.
Our commitment to quality control not only guarantees compliance with international standards but also reinforces customer confidence in the reliability of our ventilation, smoke exhaust, and industrial fan solutions.
