CNC machining part 1,Material:steel, or as per customers' request ... Treatment:Yellow zinc plated 3.good price 1.High quality and Delivery date2.OEM service available 3.Materials: stainless steel, ... steel,alloy steel,non-ferrous,grey iron,ductile cast iron and so on4.Process: lost wax process, soluble glass process , ... establishing business relation with you for long term, thank you. CNC machining part