General projects: Computer software and hardware and peripheral equipment manufacturing; Electronic product sales; AI hardware sales; New material technology research and development; New material technology promotion services; Pet food and supplies wholesale; Wholesale of auto parts; New energy vehicle sales; New car sales; Sales of building materials; Sales of chemical products (excluding licensed chemical products); Sales of electrical equipment; Sales of metal materials; Wholesale of hardware products; Sales of fire fighting equipment; Furniture sales; Sales of machinery and equipment; Machinery and equipment leasing; Security equipment sales; Sales of labor protection supplies; Sales of household goods; Office equipment sales; Sales of office equipment consumables; Office supplies sales; Sanitary ware sales; Wholesale of sporting goods and equipment; Sales of daily necessities; Sales of plastic products; Sales of rubber products; Sales of special chemical products (excluding hazardous chemicals); Sales of high-performance sealing materials; Sales of metal products; Sales of cement products; Metal structure sales. (except for projects that must be approved according to law, independently carry out business activities according to law on the basis of business license) Permitted projects: All kinds of engineering construction activities; Import and export of goods; Technology import and export.