General projects: Technical services, technical development, technical consultation, technical exchange, technology transfer, and technology promotion; Technology promotion and application services; Sales of clothing accessories: Food sales (only pre packaged food sales): Lamp sales: Daily necessities sales: Office supplies sales; Software development; Agricultural machinery sales; Sales of labor protection equipment; Sales of Class II medical devices: Sales of Class I medical devices; Rental of mechanical equipment; Sales of needle textiles: Wholesale of protective equipment for medical personnel; Intelligent basic manufacturing equipment sales: Domestic trade agency; Wholesale of textiles, clothing, and household goods; Retail of clothing and clothing: Sales of special labor protection equipment: Agricultural machinery services; Sales of machinery and equipment: Sales of Machine element and spare parts; Sales of specialized machinery for agriculture, forestry, animal husbandry, sidelines, and fisheries; Import and export agency; Import and export of goods; Technology import and export: Except for projects that require approval in accordance with the law, food import and export shall independently carry out business activities with a business license in accordance with the law