General project: Engineering and technology research and experimental development; Sales of industrial automatic control system devices Research and development of intelligent robots Science and technology promotion and application services Manufacturing of special equipment for electrical machinery Manufacturing of electrical instruments and meters Technical services, technical development, technical consultation, technical exchange, technical transfer, and technical promotion; Sales of intelligent robots Sales of intelligent power transmission, distribution and control equipment Operation of wires and cables Supply and use of instrument and meter manufacturing; Research and development of hardware products Sales of plastic products Manufacturing of plastic products Sales of electronic products Sales of electrical equipment Manufacturing of mechanical and electrical equipment Sales of lighting fixtures Manufacturing of lighting fixtures Manufacturing of electronic special materials Research and development of mechanical equipment Sales of mechanical equipment Sales of mechanical parts and components Sales of communication equipment Manufacturing of communication equipment Manufacturing of refrigeration and air conditioning equipment Sales of refrigeration and air conditioning equipment Manufacturing of special equipment for environmental protection Sales of special equipment for environmental protection Manufacturing of special equipment for printing Manufacturing of intelligent instruments and meters Manufacturing of instruments and meters Sales of instruments and meters Import and export of goods Import and export agency Manufacturing of special equipment for the production of lighting fixtures Sales of electronic components and electromechanical assembly equipment (except for projects that require approval by law, business activities are carried out independently in accordance with the business license in accordance with the law)