... welder HONGTECH GEC180 Spot Welding Machine adopted HUA curve silicon steel chip, 100% copper core transformerand ... system.l Welding function for different plates such asheat, meson, vertical pulling, spot welding, flatten, waveform line,stud, OT type washer ... -99ms, Time Setting AvailablePower cable length2300+1900 MM GEC180 Welding Machine/spot welder/welding machinery