... zinc, copper, brass, plastic etcMachining process:CNC machining, milling, turning, drilling, planning, welding, laser ... CNC lathe, grinding machine, automatic lathe machine, conventional lathe machine, milling machine, drilling machine, EDM, wire-cutting machine, Sawing Machine, Laser cutting machine, CNC bending machine, Tapping Machine, Chamfering Machine, Surface Grinder Machine, Shear Machine ...