... :2008 certified 4.CMM for quality control Item NO. precision cnc machining pom partsMaterialsIron, aluminum, steel, copper, plastic, carbon ... box, or as per the customer’s requirementsProcessing equipmentsCNC machining center, CNC lathe, grinding machine, automatic lathe machine, ... ferrous alloys(carbon steel, stainless steel, aluminum alloy, brass and bronze alloy)2.All kinds of surface treatments ...