The registration address of hebei billion pipeline, ltd., is located in the bunting industrial park in salt hill county, with the registration authority being the salt hill county market supervisory authority, and is represented by legal persons, who operate in areas such as the production of insulation, insulation, flanges, pipe parts, screwdrivers, seamless steel pipes, conservatory pipes and connections, grinding pipes and connections, scrambling and fittings, scrambling pipes, scrambling racks, fire protection tubes for heat-impregnated cables, fire-painting steel pipes, aerobic resin tubes for coal mines, aluminous tubes, aluminum tubes, aluminum tubes, stainless steel tubes, pipes, anti-conservation materials, steel plastic tubes, mineral coating without stitching steel pipes, fire hoses, 3pe anti-conservation tubes, tpp anti-conservation tubes, anthopopot tubes, plastic tubes, screaming pipes, and sales. (projects subject to legal approval may not operate without the approval...