General:
1) The reasonable bell design, have the features of low noise, large air volume, strong ventilation, low running cost.
2) The imported bearings, have the features of high strength, low noise, durable.
3) The air downstream principle, synthetic PVC shutters or alminum shutter, antioxidant, no deformation, flexible opening, to prevent reverse flow of air.
4) The high strength reinforced aluminum magnesium alloy wheel, have the features of light weight, high strength, good toughness.
5) Have two kinds of fan in vertical and inclined, effectively meet the requirements of different venues.
Butterfly Type:
1) The reasonable bell design, have the features of low noise, large air volume, strong ventilation, low running cost.
2) The imported bearings, have the features of high strength, low noise, durable.
3) The air downstream principle, synthetic PVC shutters or alminum shutter, antioxidant, no deformation, flexible opening, to prevent reverse flow of air.
4) The high strength reinforced aluminum magnesium alloy wheel, have the features of light weight, high strength, good toughness.
5) Have two kinds of fan in vertical and inclined, effectively meet the requirements of different venues.