... , brass, zinc,etc.3) Processing methods: stamping, bending, welding, punching, cnc machining, laser cutting, milling, lathing,etc.4) Surface treatment: powder ... equipments: laser cutting machine, CNC plasma/flame cutting machine, CNC gantry machining center,CNC machining center,CNC bending machine,CNC shearing machine, CNC lathe, boring machine, hydrostatic ...