high quality die casting aluminum die cast rotor We can proivide you various roughcast, machining finished product over 10 yea high quality die casting aluminum ... steel,alloy steel,non-ferrous,grey iron,ductile cast iron and so on 3.Process: lost wax process, soluble glass ... treatment,polishing,machining,machining center,plating,Heat Treatment,ect. high quality die casting aluminum die cast rotor