... CE GS ISO9001 Certificate. 3.Warranty 1 year. AIR PLASMA CUTTING MACHINE(LGK-40/63/100/120)FEATURES:1.Compress air ... plasma cutter for professional cutting in DC,two positions regulation of current,HF ARC starting ... with cantact,usable curve cutting fleetly.2.High cutting speed,Narrow cutting gap,smoth cutting surface,small distortion,safety and durable ...