Swing drop hammer exhaust fan adopt advanced automatic manufacturing process, ensure the high accuracy while producing frames. And it is made of galvanized sheet, which has high resistance to corrosion.

The centrifugal exhaust fan consists of blades, motor, frame, protective net, supporting frame, shutter, centrifugal system and other components. The shutters are automatically opened after starting. After shutting down, the shutters are automatically closed to prevent outdoor dust and foreign matter from entering, and also to avoid the influence of rain and snow and downwind.

Circulation fan shell is made of 304 stainless steel and formed by CNC punch press. It is aesthetically pleasing and rust resistant. According to high temperature and humidity in greenhouse, adopt individually customized high quality totally enclosed GB motor, to ensure excellent performance.