Pipe Spooling Fabrication Production Line 1) High speed and accurate processing efficiency and effect NAEC---- ... of: OIL AND GAS, REFINERY FACILITIES, OFFSHORE &SHIPBUILDING, POWER PLANT.Production Capabilities: 300, 000~1, 800, 000DI/ year, less manpower ... Conveyor handling system improving efficiency6. Automatic root pass, fill and cap pass7. TIG/MIG/SAW welding process include in one welding ...