... fan and blower, external rotor axial fan,ventilation fan, Duct fan, shaded pole motor, external rotor fan motor,aluminum die casting parts, stator and rotor, Developing moulds and ... s High stabitility: we test every fan and blowers before shipment, and life time more than 30000 h ... 68L15P2-140-21.YWSCF: Asynchronous Single Inlet Centrifugal fan and blower2.D: Single-phase capacitor operation S: Three ...