General projects: Technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; Internet sales (except for the sale of goods that need to be licensed); Organize cultural and artistic exchange activities; Research and development of new material technology; Sales of chemical products (excluding licensed chemical products); New material technology promotion services; Sales of electronic products; Sales of power electronic components; Sales of building materials; Sales of non-ferrous metal alloys; Lubricant sales; Sales of food additives; Retail of hardware products; Wholesale of hardware products; Retail of automotive spare parts; Wholesale of automotive spare parts; Information consulting services (excluding licensed information consulting services); Import and export of goods; Technology import and export; Sales of plastic products; Sales of electrical equipment; Operation of wires and cables; Sales of metal materials; Sales of electronic components and electromechanical component equipment. (Except for projects that require approval according to law, business activities shall be conducted independently based on the business license in accordance with the law)