... , deep penetration and little electrode consumption. 2. Digital single-chip microcomputer control function, preset various welding parameters.3 ... of aluminium, magnesium alloy, stainless steel, low carbon steel, alloy steel, copper, titanium, etc. TECHNICAL DATA ModelWSE-315WSE-400WSE-500Input voltage3 Phase ... TIG welding and TIG cold wire welding2.Printed motor 3.Anti-sticking thanks to back draw4.With ...