... machining, thread grinding, and thread rolling2) Materials handled: carbon steel, alloy steel, stainless steel, cast iron, nodular castiron, aluminum, titanium, brass, bronze3) CAD ... , annealing, tempering, nitriding, carburizing, assembly, and welding. 5) Equipment: CNC lathe, CNC milling machine, CNC high-speed engraving machine, common machines, laser engraving machines ...