The registration address of the company is the grand guangan village, guangan township, guangan township, guangjian township, hebei province. The registration authority is li jiantao county market supervision authority, represented by a legal person and covers general projects such as the manufacture of insulation and soundproofing materials; the sale of insulation and soundproofing materials; the sale of fireproofing materials; the sale of synthetic materials; the sale of water-proofing scrolls products; the sale of paints (without dangerous chemicals); the sale of anti-corruption materials; the sale of building materials; the sale of warm materials; the sale of chemical products (other than licensed chemical products). (ii) licensing of projects (in addition to those subject to legal authorization, the operation of which is carried out on an autonomous basis under a licence): construction work. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)