... fill, and cap pass 2)With two welding heads Automatic Small Pipe Welding Station (1"-8")Suitable for industries ... of: OIL AND GAS, REFINERY FACILITIES, OFFSHORE &SHIPBUILDING, POWER PLANT.Reference: ... Rotary Engineering, Petrol Steel, CNPC, SINOPEC, CNOOC, CNCEC, etc.Automatic small pipe welding station consists of welding manipulator, elbow welding ...