The registration address of hebei zhitai new tube company ltd. Is located at no. 2 north port street, port district district, qin emperor city, and is the market supervisory authority of the qin emperor city port district, representing the state of zhu qing, operating in the areas of production, sale, design and installation of pipes, tubes and their accessories; wholesale, retail, other chemical products (other than dangerous chemicals), metal products, construction materials and hardware products; production and sale of heating equipment; rental of houses, machinery equipment; import and export of goods and technology (subject to approval by law and approval by the relevant authorities)**