HONGTECH GEC180 Welding Machine,spot welder HONGTECH GEC180 Spot Welding Machine adopted HUA curve silicon steel chip, ... maximum welding current is 5400A which raise the single side welding thickness to 0.8+1.2mm. ... for different plates such asheat, meson, vertical pulling, spot welding, flatten, waveform line,stud, OT type ... cable length2300+1900 MM GEC180 Welding Machine/spot welder/welding machinery