Automatic Welding Machine 1 spot welding, row welding 2 microcontroller integrated control 3 water-cooled hi Automatic Welding MachineFeatures:1, with ... , welding pressure constant; microcontroller integrated control can be high-quality automated welding process; can be a single spot, but ... climbed up the system, no sparks flying, can be welded low-carbon steel, stainless steel, coated steel, non ...