... (Multiple functions digital Inverting welding machine)ZL 2009 3 0125321.4(Control panel for electric welder)Certificate: CE, CCC, EMC, ISO9001 ... -argon arc welding, argon arc spot welding, GMAW(CO2/MIG/MAG), pulsed-GMAW, double-pulsed GMAW, arc carbon gas cutting welder ... function of under-voltage and over-voltage and over-heat.4. High accuracy of control:The simulating control is difficult to ...