Welding Rotators, Welding Positioners, Welding Manipulators manufacturer / supplier in China, offering Self-Aligning Pipe Welding Rotator 20ton Load Capacity Turning Rolls, 4X4m Stroke Welding Manipulator Submerged Arc Welding Column and Boom, Elevating Welding Positioner Pipe Tilting and Turning Lifting Stoke 300mm and so on.