Software development; software sales; integrated circuit chip design and services; semiconductor lighting device manufacturing; semiconductor discrete device manufacturing; semiconductor device special equipment manufacturing; semiconductor lighting device sales; semiconductor device special equipment sales; electronic special equipment manufacturing; integrated circuit chip and product manufacturing; semiconductor discrete device sales; professional design services; electronic special material manufacturing; mold manufacturing; mold sales; Internet of Things technology research and development; power electronic component manufacturing ; Technology import and export; Goods import and export; Import and export agency; Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; Engineering and technology research and experimental development; Artificial intelligence industry application system integration services; Distribution switch control equipment research and development; Power electronic component sales; Integrated circuit chip and product sales; Electronic component manufacturing; Motorcycle spare parts manufacturing; Mechanical parts and parts processing; Hardware product manufacturing; Agricultural machinery manufacturing ; Manufacturing of teaching models and teaching aids; Manufacturing of general parts and components; Manufacturing of rubber products; Research and development of special electronic materials; Wholesale of electronic components; Sales of special electronic materials; Sales of electronic products; Sales of special electronic equipment; Software outsourcing services; Information consulting services (excluding licensing information consulting services); Information technology consulting services; Sales of rubber products; Wholesale of hardware products; Wholesale of automobile parts; Wholesale of motorcycles and spare parts; Sales of household appliances; Machinery parts and spare parts. Sales of components; sales of smart home consumer equipment; information system integration services; sales of teaching models and teaching aids; wholesale of stationery supplies; sales of first-class medical equipment; intelligent control system integration; sales of second-class medical equipment; intelligent agricultural management; sales of intelligent agricultural machinery and equipment; leisure and sightseeing activities; vegetable planting; wholesale of edible agricultural products; sales of agricultural machinery; agricultural machinery services; technical services for agricultural non-point source and heavy metal pollution prevention and control; agricultural scientific research and experimental development.