Technical Consultation, Technical Service, technology transfer; Sales of communication equipment, computer, software and auxiliary equipment, electronic products; Enterprise Management Consulting; Enterprise planning; Economic and trade consulting; Import and export of goods and technology. (enterprises shall independently choose business projects and carry out business activities in accordance with the law; Projects subject to approval in accordance with the law shall carry out business activities in accordance with the approved contents upon approval by relevant departments; And shall not engage in business activities of projects prohibited or restricted by municipal industrial policies. )