The registration address of the company is 5th street, 5th street, nancai village, 4th street, kita wei township, panang city, hebei province. The registration authority is the grand city market supervision authority, which operates on behalf of legal persons and includes general projects: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; sale of chemical products (other than licensed chemical products); sale of building water-proofing scroll products; sale of light-quality building materials; sale of building blocks; sale of building materials; sale of fire-resistant materials; sale of cement products; sale of architectural decorative materials; sale of eco-environmental materials; sale of heating materials; sale of heat and soundproof materials; sale of coating materials (other than chemicals); sale of fireproof materials; sale of non-metal mines and products; sale of fibres and products; sale of synthetic materials; sale of sealed materials; sale of sealed materials (in addition to the legally approved projects; construction works; professional construction operations; sub-contracting of construction services (with the approval of the relevant sector in accordance with the law and approval of specific documents)