... :siliconsteel . 3.Stamping:highspeedstamping 4.automatic welding or riveting 1,rotor & stator2,Material: silicon steel3,size:32*14*6mm or according ... ' requests and drawings4,High quality and efficiency, economicalWe can customize rotor as your request, because we are factory, we are source ... cores for compressor motorsOther silicon steel iron cores for motors; rotor & stator