Automatic Pipe Fabrication Welding Machine High speed and accurate processing efficiency and effect NAEC ... , Petrol Steel, JSL, CNPC, SINOPEC, CNOOC, CNCEC, etc.Automatic Pipe Fabrication Welding MachineProduction Capabilities: 300, 000~1, 800, 000DI/ year, less ... pass, fill and cap pass7TIG/MIG/SAW welding process include in one welding station8Automatic pipe welding rate: Up to 70%9Be matched ...