The registration address of hebei chang pipeline manufacturing ltd. Is located 50 metres south-west of the salt hill circumference g338 junction north-west of salt hill county. The registration authority is the salt hill market supervisory authority, which is represented by legal persons for the payment of floods and includes the manufacture and processing of: french, bending, tricombine, human holes, steel pipe, grinding pipes, grinding pipes, plumbing pipes, 3pe preservative tubes, tpp preservative tubes, epoxy powder resistant steel pipes, epoxy asphalt tarp pipes, casting steel piping pipes, pads, scavellets, scavenger pumps, transport equipment, wavers, miscellaneous power plants, gas fire suppression fittings, metal hoses, fast-tracking, gas-coated tubes, solids, stainless steel pipes, tradillaries, electrical equipment, non-combated steel pipes, etc., non-comblucile steel pipes, etc. (projects subject to legal approval may not operate without the approval of the relevant department)