Product description:

?1.Reasonable cone design,low noise,big air flow,strong ventilation,low running cost.

2.Frame adopts high quality galvanized steel plate,high strength and no deformation.

3.?Blade is special designed for top grade efficiency?which made of Krupp stainless steel by punch forming. Large air volume, no deformation, no broken, no dust, attractive and durable Thickness 1.2mm.

4.Imported double row bearing has higher strength,lower noise, longer service life and with special water proof design.

5.Belt pulley adopts high strengthening rib aluminum-magnesium material,light weight,high strength.