... 100% inspect for mainly components. 3.Newest design, §.FEATURE1.Multifunction, AC/DC MMA, pulsed argon arc welding, cost-saving.2.Control over ... 2T/4T repeated conversion, easily welding, improve the efficiency.6.Super-clean-up pulse width capacity, suit for alumium welding.7 ... %Efficiency(%)85Power factor0.93Protection classIP21SInsulation classF COMPANY VIEW: WSME AC/DC IMPULSE WELDING MACHINE