... 2.100% inspect for mainly components. 3.Newest design, §.FEATURE1.Multifunction, AC/DC MMA, pulsed argon arc welding, cost-saving.2. ... the product more safety and reliable.9.100% inspection for mainly components.§.APPLICATION1.Hardware produce, building decoration2.Sheet metal factory, petrochemical ... classIP21SInsulation classF COMPANY VIEW: WSME INVERTER AC/DC SQUARE WAVE IMPULSE WELDING MACHINE