... proivide you various roughcast, machining finished product over 10 yea high quality die casting aluminum die cast rotor1.OEM service available 2 ... so on 3.Process: lost wax process, soluble glass process , silicon process casting4.Weight range: 0.02 to 30kg 5.Application ... surface treatment,polishing,machining,machining center,plating,Heat Treatment,ect. high quality die casting aluminum die cast rotor