... plastic bag, foamUsage: low-carbon steel, aluminum and its alloy, stainless steel, Copper, and etcApplication Fields: Exhaust pipe, Steel bedstead, laser printer ... , GMAW(CO2/MIG/MAG), pulsed-GMAW, double-pulsed GMAW, arc carbon gas cutting welder and contain welding method consisted of any ... torch, the user’s self-definition, and various striking arc ways.12. LCD and digital display:With the two kinds ...