Welding Rotator, Welding Positioner, Welding Column and Boom manufacturer / supplier in China, offering Heavy-Duty Welding Rotator for Tank Welding with Custom Voltage Options, Customizable Welding Rotator for Tank Welding, Steel Coated Roller Wheels, Industrial Welding Rotator for Tank Welding, 500-4000mm Vessel Diameter and so on.