We use mirror face stainless steel blades to manufacture our ventilation exhaust fans.
Diameter of 1270mm.
RPM: 460r/min.
Thickness is1.2mm.
Blade surface finish BA grade.
Large air volume, no deformation, no dust, attractive design and durable in use.
Our ventilation exhaust fan blades all pass the balance test after assembled, which can assure steady running and uniform airflow during the service life of fans.
Blades of the box fans are of suitable angle, which make the biggest airflow as well as the lowest noise.