The registered address of Tianjin Haosen Technology Co., Ltd. Hebei Branch is located in Xiliugezhuang Village, Liugezhuang Town, Dacheng County, Langfang City, Hebei Province. The registration authority is the Market Supervision Administration of Dacheng County, Langfang City, and the legal representative is Li Yanlong. The business scope includes new material technology promotion services. General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Research and development of new material technology; Production of fireproof sealing materials; Rubber product manufacturing; Paint manufacturing (excluding hazardous chemicals); Manufacturing of building waterproofing membrane products; Sales of fireproof sealing materials; Sales of firefighting equipment; Sales of high-performance fibers and composite materials; Sales of coatings (excluding hazardous chemicals); Manufacturing of synthetic materials (excluding hazardous chemicals); Production of chemical products (excluding licensed chemical products); Sales of fiberglass and related products; Sales of rubber products; Sales of building waterproofing membrane products; Sales of synthetic materials; Sales of new ceramic materials; Sales of insulation and soundproofing materials; Sales of lightweight building materials; Sales of engineering plastics and synthetic resins; Sales of specialized chemical products (excluding hazardous chemicals); Sales of chemical products (excluding licensed chemical products); Sales of high-performance sealing materials; Sales of sealing fillers; Sales of refractory materials; Sales of insulation materials; Import and export of goods; Technology import and export. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)