General project: Sales of mechanical equipment; Sales of communication equipment; Sales of power electronic components; Sales of chemical products (excluding licensed chemical products); Wholesale of hardware products; Wholesale of electronic components; Sales of drawing, calculation, and measuring instruments; Import and export of goods; Software development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Wholesale of automotive spare parts; Sales of metal fittings for construction; Sales of metal tools; Sales of mechanical parts and components; Retail of automotive spare parts; Retail of motorcycles and spare parts; Sales of special ceramic products; Sales of non-metallic minerals and products. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law)