The registration address of hebei source line manufacturing company limited is located in dong zheng, the border area of salt hill county. The registration authority is the salt hill county business administration, represented by wu bao-sheng, and operates in the areas of pipe manufacture, plumbing equipment and accessories, bending, tri-channels, alien troughs, tube bearings, flanges, gaskets, tightware, steel pipes, bending tubes, stretching links, filters, valves, anti-corruption temperature pipes, grinding pipes and delivery machinery spares. The export of products and technologies produced by the enterprise and the import of machinery, spare parts, raw materials and technologies required by the enterprise, except for goods and technologies for which the state limits the operation of the company or prohibits import and export. (projects subject to legal approval may not operate without the approval of the relevant department)