... , ball screw guilding sys Gweike YAG-500W METAL LASER CUTTING MACHINE GWK1325 Specification:Model number: GWK1325working area: 2,500mm×1 ... , machines, elevators, spare parts of the elictric devices, spring pieces, spare parts of the subway and so on. Appliable ... material:Stainless steel, carbon steel, alloy steel, spring steel, Aluminum alloy, copper plate, Aluminum plate, gold, silver ...