Profssional Roof Non-Power Ventilation Fan

I. Natural wind drives, operating 24 hours of whole day II.Corrosive resistance, acid and alkali proof

                        TsingTaoJinHaoShunFeng Industry And Trade Co.,Ltd

Non-Power Fan Features:

I. Natural wind drives, operating 24 hours of whole dayII. High sensitivity, slight wind or the range of temperature can drive the blader to turn aroundIII. Rotary stablely, quietly to improve the inner environment of roomIV. Using complete senior axis bearing, no lubrication, solid, low fault roteV. Corrosive resistance, acid and alkali proof, long service life

The SAMPLE of the Product in JinHaoShunFeng: 

             

Profssional Roof Non-Power Ventilation Fan