The registration address of hebei beizawa pipeline limited is located on the eastern side of the village of the yellow shop in the border town of salt hill county, with the registration authority being the salt hill county market supervision authority, represented by the legal person zhang hongwei, and includes manufacturing and processing for the production of carbon steel, stainless steel alloy steel pipes, bending heads, frank, triforming anorexes, seals, human holes, slings, fittings, piping equipment, grinding pipes, liner liners, aerospace and aerospace components, parts for desulphur removal parts, pumping spare parts, mechanical equipment, plant spare parts, plant fittings, fastening standards, water treatment equipment; sales of building materials, hardware exchange, machine bed attachments, troughs, water heating pipes, fire protection equipment, sporting apparatus casting, steel, round steel, plastic pipes, valves, gaskets. 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 authorization may not operate without the approval of the relevant authorities; general projects may operate independently of the law)。