Manufacturing of power distribution switchgear equipment; sales of power distribution switchgear equipment; research and development of power distribution switchgear equipment; manufacturing of electrical accessories; sales of electrical accessories; technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; manufacturing of electronic components; wholesale of electronic components; manufacturing of power electronic components; sales of power electronic components; manufacturing of power facility equipment; sales of power facility equipment; manufacturing of transmission, transformation, and distribution monitoring and control equipment; sales of transmission, transformation, and distribution monitoring and control equipment; manufacturing of motors; installation services for general mechanical equipment; sales of electronic components and electromechanical component equipment; manufacturing of metal materials; sales of metal materials; wholesale of hardware products; sales of daily-use goods; road freight transport of general cargo vehicles with a total mass of 4.5 tons and below (excluding network freight and dangerous goods); import and export of goods. Licensed items: installation, repair, and testing of transmission, power supply, and power receiving electrical facilities.