1.20 years fan&motor manufactruer 2.competitive price,high quality---CE& CCC 3.Dia72-180mm, power:25-1500W, 50/60hz 1. Company Profile ... axial fan,ventilation fan, Duct fan, shaded pole motor, external rotor fan motor,aluminum die casting parts, stator and rotor, ... : Core length code4: P4 : Motor pole numbe, 2,4,6,8 poles3. Products Display4. Factory Production Display 25w-1500w ac synchronous motor