Wholesale of computer software, hardware and auxiliary equipment; organization of cultural and artistic exchange activities; graphic design and production; conference and exhibition services; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; retail of computer software, hardware and auxiliary equipment; import and export of goods; sales of building materials; sales of lightweight building materials; research and development of hardware products; hardware products Retail sales of products; sales of instruments and meters; installation services of general machinery and equipment; sales of electronic components and electromechanical component equipment; sales of arts and crafts and ceremonial items (except ivory and its products); retail sales of motorcycles and spare parts; wholesale of motorcycles and spare parts; Internet sales (except for the sale of goods requiring licenses); computer system services; computer and office equipment repair. (You are not allowed to engage in business activities that are prohibited or restricted by national and municipal industrial policies.)