General projects: Technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Development of digital cultural and creative software; Manufacturing of arts and crafts and ceremonial items (excluding ivory and its products); Software development; Mechanical equipment research and development; Research and development of metal products; Manufacturing of teaching models and teaching aids; Toy sales; Sales of teaching models and teaching aids; Retail of stationery supplies; Sales of office supplies; Sales of toys, anime, and entertainment products; Sales of rubber products; Sales of specialized teaching instruments; Wholesale of sports goods and equipment; Retail of sports goods and equipment; Sales of plastic products; Construction of sports facilities engineering; Urban and rural urban appearance management; Urban greening management; Sales of clothing accessories; Grass planting; Sales of leather products; Manufacturing of metal fittings for construction; Wholesale of jewelry; Sales of arts and crafts and ceremonial supplies (excluding ivory and its products); Retail of arts and crafts and collectibles (excluding ivory and its products); Retail of hardware products; Sales of metal products; Manufacturing of metal materials; Installation services for environmental sanitation public facilities; Sales of office equipment and consumables; Sales of mechanical equipment; Sales of office equipment; Retail of daily household appliances; Sales of daily necessities; Home appliance installation services; Sales of household appliance spare parts; Sales of household appliances; Furniture sales; Sales of Class I medical devices; Rental of cultural goods and equipment; Wholesale of kitchenware, sanitary ware, and daily necessities; Sales of security equipment; Electronic product sales; Library management services; Professional design services; Advertising production; Graphic and textual design and production; Office services; Advertising release; Advertising design and agency; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Promotion services for new material technology; Mechanical equipment leasing; Corporate image planning; Conference and exhibition services; Amusement park services; Technology import and export; Import and export of goods (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law).