Welding Rotator, Welding Positioner, Welding Column and Boom manufacturer / supplier in China, offering Industrial 20ton Rotator for Pipe Welding with Steel Coated Roller Wheels, 20ton Rotator for Pipe Welding - Available in 380V and 400V Voltage, Heavy-Duty 20ton Rotator for Pipe Welding with Steel PU Roller Wheels and so on.