... ISO9001 Certificate. 3.Warranty 1 year. CUT INVERTER PLASMA WELDER/WELDING MACHINE(CUT-50/60/80/100)FEATURES:1.Hight cutting speed ... ,Narrow cutting gap,smoth cutting surface,small distortion.2.With perfect over-current,over-heart,over-volotage protection function,safety ... ,earth clamp,brush/hammer,protective mask,carton box. INVERTER PLASMA WELDING MACHINE CUT-50/60/80/100