General project: New material technology extension service; New material technology research and development; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology popularization; Landscaping engineering construction; Construction machinery and equipment leasing; Sales of chemical products (excluding licensed chemical products); Retail of protective equipment for medical personnel; Building materials sales; Rubber products sales; Sales of non-metallic minerals and products; Commodity sales; Import and export of goods; Technology import and export. (Except the items subject to approval according to law, independently carry out business activities according to law with the business license) Permitted items: Residential interior decoration; Road transport of goods (excluding dangerous goods). (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments, and specific business projects shall be subject to approval documents or licenses of relevant departments)