R&D, production and sales of line control boards (excluding printed circuit boards) and finished products for smart home appliances, industrial automation control products, new energy products, communication products, switching power supplies, health care, artificial intelligence and automotive electronic products; industrial computers, switches, network communication equipment, data processing equipment, data terminal equipment, digital cellular mobile phone system equipment, network security products R&D, production and sales of products and servers; production and sales of electronic components and electronic accessories; development, production and sales of other electronic finished products; software development; production and sales of automated production and testing equipment, furnace fixtures and injection molding fixtures; import and export of goods or technology (except for import and export of goods and technology prohibited by the state or involving administrative approval); production equipment leasing and house leasing. 〓