... high quality---CE& CCC 3.low noise,large air volum, ducted fan 1. Company Profile. Hangzhou Kiron Motor Co ... enterprise mainly produces Centrifugal fan and blower, external rotor axial fan,ventilation fan, Duct fan, shaded pole motor, external rotor fan motor,aluminum die casting ... production lines and scientific management, "low noise, high air volume, stable running and long life time" Fans has ...