SAW/TIG/MIG Welder 1)Automatic root pass, fill, and cap pass SAW/TIG/MIG WelderSuitable for industries of: OIL AND GAS, REFINERY FACILITIES ... , and cap pass2. With two welding heads3. Cold TIG / RMD-MIG, PULSE-MIG / SAW are optional4. PLC control, WPS programmed5. Max. Efficiency ... welding head can be 400D. I/8hrs even use TIG / MIG technology.6. More than 99% qualified first X-ray test.