Wholesale of electronic components; Retail of electronic components; Sales of optoelectronic devices; Sales of electronic specialized materials; Sales of metal products; Sales of mechanical equipment; Sales of fire-fighting equipment; Intelligent robot sales; Software development; Information system integration services; Information technology consulting services; Network technology services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law), the licensed business projects are: Technology import and export; Import and export of goods.