Technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Mechanical and electrical equipment sales; Communication equipment sales; Instrumentation sales; General mechanical equipment installation services; Information systems integration services; Hardware products retail; Wire and cable business; Power distribution switching and controlling equipment sales; Lighting appliances manufacturing [branch operation]; Transmission, transformation and distribution monitoring and controlling equipment sales; Sales of office equipment; Sales of chemical products (excluding licensed chemical products); Sales of Class I medical devices; Sales of food (sales of pre-packaged food only) [branch operation]; Internet sales (except for the sale of goods that require licensing); Professional design services; Socio-economic consulting services; Conference and exhibition services; Advertisement design and agency; Software development; Import and export of goods; Import and export of technology. (In addition to projects subject to approval by law, with a business license to carry out business activities independently in accordance with the law. ) Licensed projects: Construction engineering.