Research and development of distribution switch control equipment; manufacturing of distribution switch control equipment; sales of distribution switch control equipment; manufacturing of power transmission, distribution and control equipment; manufacturing of instruments and meters; sales of instruments and meters; manufacturing of pneumatic power machinery and components; sales of pneumatic power machinery and components; operation of wires and cables; sales of high-performance nonferrous metals and alloy materials; manufacturing of metal materials; manufacturing of motorcycle parts and accessories; manufacturing of automobile parts and accessories; wholesale of motorcycles and spare parts; manufacturing of capacitors and ancillary equipment; sales of capacitors and ancillary equipment; mechanical and electrical equipment Equipment manufacturing; sales of mechanical and electrical equipment; electronic component manufacturing; wholesale of electronic components; retail of electronic components; sales of metal products; sales of rubber products; sales of plastic products; wholesale of hardware products; sales of machinery and equipment; sales of building materials; sales of lighting fixtures; Internet sales (except sales of goods requiring licenses); artificial intelligence industry application system integration services; artificial intelligence general application systems; intelligent control system integration; computer system services; software development; information technology consulting services; data processing and storage support services services; Internet of Things technical services; manufacturing of electronic (gas) physical equipment and other electronic equipment; research and development of online energy measurement technology; research and development of online energy monitoring technology; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; network technology services; sales of fire equipment; manufacturing of metal products for safety and fire protection; sales of intelligent robots; sales of artificial intelligence hardware; manufacturing of industrial robots; sales of industrial robots; wholesale of computer software, hardware and auxiliary equipment; manufacturing of photovoltaic equipment and components; photovoltaic equipment and Sales of components; manufacturing of transformers, rectifiers and inductors; sales of advanced power electronic devices; manufacturing of computer software, hardware and peripheral equipment; manufacturing of general equipment (excluding manufacturing of special equipment); manufacturing of special equipment (excluding manufacturing of licensed professional equipment); manufacturing of electronic components and electromechanical component equipment; sales of electronic components and electromechanical component equipment; information system integration services; fire protection technical services; manufacturing of security equipment; import and export of goods; manufacturing of communication equipment; sales of communication equipment; manufacturing of Internet of Things equipment; sales of Internet of Things equipment. Licensed Project: Construction Engineering Design.