Business scope includes general items: New material technology promotion services; Sales of new metal functional materials; Synthetic materials (free of hazardous chemicals); Coating sales (excluding hazardous chemicals); Coating manufacturing (without hazardous chemicals); Technical services, technology development, technology consultation, technology exchange, technology transfer and technology promotion; Plastic products manufacturing; Lightweight building materials manufacturing; Engineering and technical research and experimental development; Manufacturing of new building materials (free of dangerous chemicals); Hardware product research and development; Metal material sales; Rubber products sales; Synthetic materials sales; Research and development of emerging energy technologies; Manufacturing of non-metallic mineral products; Sales of building materials; Manufacture of special chemical products (excluding dangerous chemicals); Sales of special chemical products (excluding dangerous chemicals); Production of chemical products (excluding licensed chemical products); Sealing filler sales; High performance fiber and composite material manufacturing; Sales of chemical products (excluding licensed chemical products); Sales of plastic products; Research and development of electronic special materials; Building decoration materials sales; New material technology research and development; Manufacturing of household textile manufactured goods. (Except for the projects subject to approval according to law, independently carry out business activities according to law with the business license). Approved items: All kinds of engineering construction activities; Import and export of goods