General project: Battery sales; Sales of electronic specialized materials; Sales of metal materials; Sales of battery spare parts; Sales of photovoltaic equipment and components; Sales of electronic specialized equipment; Sales of specialized equipment for semiconductor devices; Sales of synthetic materials; Sales of mechanical and electrical equipment; Metal structure sales; Sales of automotive decorative products; Wholesale of automotive parts; Sales of needle textiles; Wholesale of textiles, clothing, and household goods; Rental of photovoltaic power generation equipment; Technical services, development, consultation, exchange, transfer, and promotion; Solar power generation technology services; Technical promotion services; Technology promotion and application services; Import and export of goods; Technology import and export; Import and export agency (except for projects that require approval in accordance with the law, independently carry out business activities with the business license in accordance with the law)