... .low noise,large air volum 1. Company Profile. Hangzhou Kiron Motor Co.,Ltd is located in Jianqiao Town as an ancient ... rotor axial fan,ventilation fan, Duct fan, shaded pole motor, external rotor fan motor,aluminum die casting parts, stator and rotor, Developing ... banlances on fan, Vibration speed virtual value of fans ≤0.5 mm/s High stabitility: we test every fan and blowers ...