roof non power ventalating fan for restaurant

1) Uses CAD/CAM, louver-type window 2) The blower has great capacity 3) Low noise

Natural wind drives, operating in 24 hours of whole day. 

High sensitivity, slight wind or the range of temperature can drive the tubine blader to turn around .

Rotary stablely, quietly to improve the inner environment of room.

Using complete senior axis bearing, no lubrication, solid , low fault rocte.

Corrosion resistance, acid and alkali proof, long service life.

roof non power ventalating fan for restaurant