The registration address of hebeith corporation for materials is located in nine townships in the city of zhuang city, ishikoshijiang, hebei province. The registration authority is the market supervision authority of zhuang city, represented by the legal person in the country of business, and covers the production and sale of plastics; the installation of plastic tiles; the production, sale, installation of warm waterproofing materials; the production, sale, installation of glass and steel; the production, sale, installation of steel structures; and the sale of construction materials (the project subject to approval by law and the approval of the relevant department before it is allowed to operate)。