WDGLJ series welding turning rolls are produced by our company is based on JB/T9187-1999“Welding Turning Rolls” technical requirements for development.Mainly used for welding boiler pressure vessel and metal round tube. to weld,polish and assemble the cylinder-shells,and to line the shells with rubber.Advanced technology, reliable quality and simple operation.We also can design the customize various types of the welding rotator in accordance with the customers requirement.