Industry is software and information technology service industry, and its business scope includes: General projects: Technical services, technology development, technical consultation, technology exchange, technology transfer and technology promotion; Sales of capacitors and their supporting equipment; Sales of optical communication equipment; Distribution switch control equipment sales; Sales of special equipment for processing leather, fur and its products; Sales of communication equipment; Electrical equipment sales; Electronic product sales; Sales of special equipment; Sales of mechanical parts and spare parts; Sales of construction machinery; Internet sales (except the sale of goods that need permission); Wholesale of hardware products; Retail of hardware products; Sales of electronic components and electromechanical components; Wholesale of electronic components; Sales of power electronic components; Retail of electronic components; Manufacture of electronic (gas) physical equipment and other electronic equipment; Sales of special equipment for semiconductor devices; Intelligent instrument sales; Instrument sales; Wire and cable management; Maintenance of electronic and mechanical equipment (excluding special equipment); Mechanical equipment leasing; Mechanical equipment sales; General mechanical equipment installation services; Electrical equipment repair; Domestic trade agent; Network technical services.