The registration address of quilzhou pipeline manufacturing company ltd. Is located 100 metres west of the five-mile kiln macro in salt hill county. The registration authority is the salt hill county market supervisory authority, represented by the legal person li ming, which operates in the production of pipes and pipes, bending heads, frank, tritons, sizes, insular tubes, blind boards, human holes, wind doors, waterproof tubes, stretching docks, caps, flipping sides, bolts, gaskets, plugs, fire-fighting pipes, plant spares, anti-corruption pipes and pipes, plumbing hangers, plant hangers, swelling (compensators, metal hoses), sales of steel pipes, steel, steel products, valves, gold, imports of machinery, spare parts, raw supporting materials and technology required for the export of the enterprise's own products and technology and for the enterprise, except for goods and technologies for which the state limits the company's operations or prohibitions. (projects subject to legal approval may not operate without the approval of the relevant department)