... saw blade welding ,ect.1.metal tube welding: such as copper tube, steel tube, and aluminum tube’s butt welding, plug welding and ... 2-3kw/h). 4. metal welding such as: towel rack, soap nets, towel holder, auto-accessories, moto-accessories, metal terminals, ... hardware pieces, electric heating tube parts and fasteners.The advantage for use the metal welding ...