... mainly produces Centrifugal fan and blower, external rotor axial fan,ventilation fan, Duct fan, shaded pole motor, external rotor fan motor,aluminum die ... Introduction The biggest advantage of our products is:"Low noise, Big Air flow High stabiltiy, high efficiency". Low noise: ... -D-68L35P2-150-31.YWSCF: Asynchronous Single Inlet Centrifugal fan and blower2.D: Single-phase capacitor operation S: Three ...