HONGTECH GEC170 Welding Machine,Spot welding HONGTECH GEC170 Spot Welding Machine adopted HUA curve silicon steel chip, 100% ... different plates such asheat, meson, vertical pulling, spot welding, flatten, waveform line,stud, OT type washer andtriangle ... Power20 KVAInput Current51 AInstand Max. Current5200 AOne-side Welding Thickness0.8+1MMVacuum Sunction150KGTime Regulation System0-99ms, Time Setting ...