The sheet to sheet welding system is designed for big sheet to sheet welding, it can use PLASMA, TIG, PLASMA & TIG and MIG/MAG welding process. The material can be stainless steel, aluminum alloy, titanium alloy and so on. It is widely applied in various application of food machinery, dyeing and finishing equipment, power switch bus bar chamber, medical instrument, special material pressure vessels, pipeline for electric power, air condition shell, and so on.