Research and development, production, processing, sales, installation and technical services of teaching equipment, complete sets of laboratory and function room equipment, library equipment and facilities, special instruments for teaching, glass fiber reinforced plastic products, metal products, plastic products, furniture, student apartment furniture, preschool education furniture and equipment, desks and chairs, steel filing cabinets, dining tables and chairs, bookshelves, and reading desks and chairs; Sales: computer and its consumables, computer software, hardware, communication equipment (excluding radio transmission and ground receiving equipment), office supplies, books and periodicals (can be operated only after obtaining relevant administrative permission or approval), toys, sports equipment, outdoor furniture, hardware and electrical equipment, building materials (excluding hazardous chemicals), household appliances, office appliances, curtains, cloth, soft furniture Chemical products (excluding dangerous chemicals and precursor drugs), household appliances, kitchen equipment; Maintenance, removal and installation of furniture; School logistics management services; Import and export of goods and technologies.