... tube welding: such as copper tube, steel tube, and aluminum tube’s butt welding, plug welding and welding sets. 2 ... woodworking saw blade welding, cut grass piece of welding, cut aluminum welding, 4.metal welding:such as: towel rack, soap ... resistance welding. F. Less electricity consumption. G. Induction heating, high speed, high efficiency. H. Compared with oxygen welding, energy saving and low cost ...