Product Description

Using advanced front double door opening device,small wind resistance, good sealing, high efficiency, lengthened
Butterfly Cone Fan double doors closed with the rubber sealing which effectively avoid air backflow when start fans at different time.
Greatly improve the operation efficiency by 15-20% compared with the same power fan.
Butterfly Con Fan blade is special designed for top grade efficiency which made of 430 Krupp stainless steel by punch forming.
Large air volume, no deformation, no broken,no dust, attractive and durable.
Thickness 1.2mm, surface finish BA grade.
Butterfly Cone Fan blades are adjusted by intelligent dynamic-balance tester, ensure the fan smooth running, lower vibration, less noise, increase stability.
Adopt Hot-dip galvanized blade support and safe net ,to ensure never rust in the future use ,adopt high grade standard accessories ,not rust
Complete new CNC production line improved fan quality up to top grade, aesthetic appearance.
Advanced motor testing machine can help our workers to set different parameter according to each country's request, to ensure each motor's normal work
CNC bending machine ensure the accurate & perfect products assembly
Professional blades machine can produce the perfect blades shape with lower wind resistance and smooth surface.
 Exhaust fan use the international standard plate, zinc coating(275g/m2), no rust.