1.for elbow pipe welding, flange pipe welding 2.submerged arc welding or other welder 3.competitive price 4.we offer OEM Automatic welding equipmentElbow welding machinePressure type rotator structure, it can overcome whirling bitAdopt to 16" 24" 32" 48"It can match TIG, MIG , SAW etc kinds of welding technologies,suitable for welding of pipe and elbow, pipe and flange, pipe and tee, flange and ...