1.cast(China) 2.STEEL PARTS 3.custom machine part 2013 newest customized casting1 , Material : steel, alloy, carton2, Technology : ... machine, NC milling machine, polishing machine.Heat treatmentannealing, termpering, quenching, normalizing, solid solution.Testing facilityspectrometer, tensile test machine, hardness test machine, mircoscope. customized [steel parts] manufacturer ...