(a) the registration address of the pyrotechnic materials ltd. Is located in guangan township, guangan township, in hebei province. The registration authority is the grand town district market supervision authority, represented by the legal person, and covers general projects such as the manufacture of insulation and soundproofing materials; the sale of insulation and soundproofing materials; the manufacture of eco-environmental materials; the sale of ecological environmental materials; the manufacture of fibreglass and products; and the sale of fibreglass and products; fibrous fibres for enhanced plastics manufacture; fibreglass for enhanced plastics sales; cement product manufacture; sale of cement products; manufacture of light construction materials; sale of light construction materials; manufacture of building water-proof scroll products; sale of building water-proof scroll products; manufacture of rubber products; sale of rubber products; manufacture of non-metal mineral products; sale of non-metal minerals and products; manufacture of plastics products; sale of plastics products; sale of plastics products; construction of metal structures; sale of metal structures; production of fire-covered materials; sale of fire-blocked materials; sale of conservative materials; sale of sealed fillings; sale of high-energy sealed materials; sale of paints (without dangerous chemicals); sale of metal materials; retail sale of gold products; sale of chemical products (other than licensed chemical products); sale of machinery equipment; rental of machinery equipment; manufacture of seals; licensing of technical services, technology, technical advice, technical exchange, technology transfer, technical promotion (in addition to legally approved projects, autonomous, unprohibited and unrestricted) projects: construction works; sub-contracted construction services (subject to approval by law, subject to approval