... transportation. At present, Our enterprise mainly produces Centrifugal fan and blower, external rotor axial fan,ventilation fan, Duct fan, shaded pole ... biggest advantage of our products is:"Low noise, Big Air flow High stabiltiy, high efficiency". Low noise: we adopt two-sides ... the specical design to keep the best banlance betwwen Air flow and Noise. 2.1 Specifcation 230V 2.2 Illustration of ...