... Petrol Steel, CNPC, SINOPEC, CNOOC, CNCEC, etc.Automatic small pipe welding station consists of welding manipulator, elbow welding machine, power ... , self centering welding positioner and pipe support device. It is able to realize automatic pipe welding completely.Features: 1Automatic root ... MIG technology.6More than 99% qualified first X-ray test. Heavy--duty Automatic Welding Equipment (PLC control)