Fan blade is made of Krupp Stainless steel by punch forming, no dust, attractive and durable. Special blades shape design ensure large air volume, no deformation, no broken, keep air volume same all the time.  Blade thickness 1.2mm, Surface finish BA grade. Fan blades are adjusted by intelligent dynamic-balance tester each blade tolerance weight controlled within 1gram. Blade material have strainless steel, falvanized sheet, aluminum alloy, FRP for option.

Fan Belt pulley is made of high strength aluminum-magnesium alloy by die-casting complete, high corrosion resistance. special 3-ribs reinforced pulley design. Blast-casting treatment for attract appearance, eliminate internal stress to improve its own rigidity and stability, never broken.

Both China famous motor and Siemens motor are available. Motor voltage and frequency can be customized.

Using high strength nylon swung drop hammer opening device to ensure the shutters opening and closing flexibly.

Fan bearing aopts imported double-row bearing with special waterproof design. water cannot enter. High strength, lower noise, matainanence free and long service life.