non-power fan B---protect our

Products Name:roof venti
Quantity:min20sets
Packaging:by boxes
Full Size:according
Place of Origin:Shanghai
non-power fan
Appearance of Type400-B
Blades:25
Total height:530mm
Turbine diameter:400mm
Ventilation caliber:430mm
bracket and bearing material:stainless steel

Capability and Advantages
Exhaust the indoor harmful air refill with fresh air. Consequently improve the working environment, promote the workers passion, enhance the companys overall working efficiency.
Lower the cost, as this kind of product is one-time investment, without electricity and any other consumption.
Firstly,theres no need to worry about the explosion and electrical accident. Secondly, in case of fire, the roof ventilation equipment can accelerate the exhausting of indoor smoke.non-power fan is very good product
Reflect the strength of enterprises and human management. Strength the People-Oriented concept of modern enterprises.
Beautify the environment, the non-power fan has