... ChinaObtain patent, patent number:ZL 2008 2 0076183.5(Double-pulsed GMAW)ZL 2008 1 0054660.2(Multiple functions digital ... : CE, CCC, EMC, ISO9001:2000Color: AvailableBrand: NebulaPacking: Carton package, plastic bag, foamUsage: low-carbon steel, aluminum and its alloy, stainless ... arc spot welding, GMAW(CO2/MIG/MAG), pulsed-GMAW, double-pulsed GMAW, arc carbon gas cutting welder and contain welding ...