Komal Scientific Co. Offers Semi-Automatic Gas shielded Metal-Arc Welding Machine. Komal Scientific Co. Supplies diverse types of Testing instruments for paint, printing ink, powder coating, adhesive, resin, thinner, pigment etc. Semi-Automatic Gas shielded Metal-Arc Welding Machine is based on microprocessor control and wave form control, which consist of power source and wire feeder. The machine has the characteristics of stable welding process, low spatter and good weld. The molten pool is easy to be controlled, operation is simple to be done, and efficiency is high.