1)CAD/CAM designing
2)Great flow capacity
3)Low noise, large air volume
5)Energy saving
6)Long life service CE certificat

We are the professional producer of greenhouse exhaust fan. 

 Yihe Series greenhouse exhaust fan CE certificate
   
  The shutter utilizes its automatic controlling equipments to let shutter blade automatically open and close, thus it can reach the purpose of dustproofwaterproof and effect of perfect. The series of fans have low noise, big wind volume, low consumption of electricity, good cooling effect and so on. It can be used in the workshops of the factory for lognitudinal and transverse ventilation. This is the best cooling equipment in the factory workshop of the times. The quality of the product can reach the international standard.

QCHS Series  swung drop hammer poultry exhaust fan(Characteristics of industrial centrifugal fan CE certificate):

1) Uses CAD/CAM, louver-type window

2) The blower has great capacity

3) Steady long circulation

4) Automatic opening and closing the shutters to attain the dust palliative water
    tightness
                                                         
QCHS Series cooling fan(Characteristics of industrial centrifugal fan CE certificate) is best chioce for cooling and ventilation of greenhouse or plant buidings due to its favorable properties. The characteristics are as follows:
                                       
1) High overall pressure
2) Large bloeing rate
3) Low noise and power consumption
4) Stable operation, long duration.
5) Its windown-binds not only bring the aesthetic profile but also defend against
    dust  or water  when automatically activated.