The seamless pipe factories under the company mainly produce various carbon seamless steel pipes,alloy seamless steel pipes,such as Oil and Gas Transmission Pipe,Pressure Use Pipes,Mechanical Tubing and so on. The company has 19 cold draw steel pipes lines,4 hot rolled steel pipes lines,4 hot expansion steel pipes lines,4 tubing and casing processed steel pipes lines,1 drilling pipes processed lines,2 steel pipes heat treatments lines.The specification of seamless steel pipes outer diameter is8-1200mm,wall thickness is 1-200mm.The annual production capacity is 500 000 tons,tubing and casing processed pipes is 250 000 tons and the heat treatment pipes is 150 000 tons.