The registration address of hebei kai tongda pipeline ltd. Is located on the 3rd floor of salt hill, far east road, salt hill county, 828rd floor, with the registration authority being the salt hill county market supervisory authority, representing legal persons in payment of swords and operating on general items: sale of metal structures; sale of metals; sale of high-performance non-ferrous metals and alloyed materials; sale of construction materials; sale of surface functional materials; sale of machinery and equipment; sale of plastics; sale of metal products; sale of machine-bed functional parts and accessories; sale of architectural and decorative materials; sale of heating materials; sale of insulation and soundproofing materials; sale of structures; treatment of metal surfaces and thermal processing. (in addition to projects subject to legal authorization, operations are carried out on an autonomous basis of the law)