1)Material:Carbon,alloy steel,SS,aluminum 2)Surface finish:Oiled, zinc, nickel, chrome Motor Shell,Forging,Precision Forging Motor Shell,Forging,Precision Forging 1) Material: Carbon steel, alloy steel, stainless steel, aluminum, brass, magnesium,Titanium2) Product weight from 0.05kg to 20kg3) Possible Heat Treatment: Normalizing ,Annealing, Quenching, Tempering ,Solution, Passivation4) ...