... ITEM NOPrecision CNC MachiningMATERIALSteel, stainless steel, aluminum, zinc, copper, brass, plastic etc metal.SURFACE TREATMENTPolishing,chrome,zinc,nickel plating,anodize,power ... machining parts.MATERIAL:Stainless Steel CNC Machining, Carbon Steel CNC Machining ,Brass CNC Machining, Aluminum CNC Machining. Precision CNC Machining,stainless steel precision parts