General projects: Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; Office supplies sales; Teaching model and teaching aid manufacturing; Sales of teaching models and teaching aids; Stationery manufacturing; Stationery retail; Stationery wholesale; Manufacture of cultural and office equipment; Office equipment consumables manufacturing; Sales of office equipment consumables; Office equipment sales; Rental of stationery equipment; Retail of sporting goods and equipment; Wholesale of sporting goods and equipment; Manufacture of sporting goods and equipment; Office services. (Except for projects that must be approved according to law, independently carry out business activities according to law on the basis of business license)