... AC,DC arc welding,AC and Dc pulse argon arc welding,AC and DC hand-operated arc welding. Integrating AC,DC arc welding,AC and Dc pulse argon arc welding,AC and DC hand-operated arc welding.Variable polarity AC,DC mixed waves,realize high-quality welding ... welding for dissimilar metal and ultrathin plates is feasible with high quality. WSME-P Series AC/DC Square Wave Inverter Argon Arc Welding ...