This machine is suitable for welding of gold, silver, titanium, nickel, tin, copper, aluminum and other metal and its alloy material, can achieve the same precision welding between metal and dissimilar metals, has been widely used in aerospace equipment, shipbuilding, instrumentation, mechanical and electrical products, automotive and other industries. Single wire welding is recommended for materials less than 2mm thick. If the weld seam is wider than 2mm and the welding height is better, double wire welding is recommended. 3000 power double-wire is recommended for ≥ 5 thickness.