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