... heads 2)TIG / MIG / SAW are optional Big Pipe Welding Station (2"-24")Suitable for industries of: OIL AND GAS, REFINERY ... FACILITIES, OFFSHORE &SHIPBUILDING, POWER PLANT.Reference: CCC, L&T, PEC, Rotary Engineering, Petrol Steel, CNPC, SINOPEC, CNOOC, CNCEC, etc ...