Wrought Steel Pipe?

　　The manufacturing process for wrought steel pipe works raw steel into tubes of various lengths and diameters. Steel pipes play a role in the underground moving of water and gas, encasing electrical wires for protection, and the production of vehicles, bicycles, plumbing and heating systems, street lamps and refrigeration units.

　　Hebei Shengtian Group Reaguan Pipeline Co., Ltd, which mainly produce and export seamless steel pipes, spiral  steel pipes, welded steel pipes and oil pipes . - See more at: http://www.strpipeline.com/#sthash.dCObLjSl.dpuf