Internet information services; the second type of value-added telecommunications services. General projects: design, manufacturing, and sales of electrical equipment, manufacturing, processing, and sales of electrical machinery and equipment, automobile parts (excluding automobile engine manufacturing), motorcycle parts, general machinery, manufacturing and sales of switching power supply products, uninterruptible power supply products, general freight, sales of household appliances, building materials, and chemical products (excluding hazardous chemicals), electrical technology development , technical consulting and technical services, processing, manufacturing and sales of non-ferrous metal materials, software development and system integration; data collection, storage, development, processing, service and sales, data service platform construction, research and development and sales of computer software and hardware and information systems, surface finishing treatment (operating according to projects approved by the environmental protection department approval letter), self-owned house leasing, catering services. .