UN series butt welding machine specializes in welding ferrous and nonferrous metals. It adopts resistance butt welding method, features high electric power utilization ratio and good welding efficiency, is widely used in drawing, nail manufacture, wire and cable, enamelled wire, wire rope factories and nonferrous metal drawing industries. This series of welding machine also finds wide application in enterprise producing products for foreign trade and is popular with customers. The machine can be customized.