Automatic Pipe Fabrication Welding Machine 1) High speed and accurate processing efficiency and effect NAEC---- ... , 800, 000DI/ year, less manpower inputReference: CCC, L&T, PEC, Rotary Engineering, Petrol SteelFeatures:1. Suitable for pipe diameter: 2~48 ... up guaranteeing fitting-up accuracy5. Conveyor handling system improving efficiency6. Automatic root pass, fill and cap pass7. TIG/MIG/SAW welding ...