Manufacturing of distribution switching control equipment; sales of distribution switching control equipment; manufacturing of power transmission and distribution and control equipment; sales of intelligent power transmission and distribution and control equipment; manufacturing of power facilities and equipment; sales of power facilities and equipment; manufacturing of transformers, rectifiers and inductors; manufacturing of mechanical and electrical equipment; sales of mechanical and electrical equipment; manufacturing of power transmission and distribution monitoring and control equipment; sales of power transmission and distribution monitoring and control equipment; manufacturing of instruments and meters; sales of instruments and meters; manufacturing of household appliances; sales of household appliances; operation of wires and cables; Communication equipment manufacturing; Communication equipment sales; Photovoltaic equipment and component manufacturing; Photovoltaic equipment and component sales; Industrial automatic control system device manufacturing; Industrial automatic control system device sales; Power electronic component manufacturing; Power electronic component sales; Battery manufacturing; Battery sales; New energy prime mover equipment manufacturing; New energy prime mover equipment sales; Mobile terminal equipment manufacturing; Mobile terminal equipment sales; Electronic special equipment manufacturing; Electronic special equipment sales; Shared bicycle services; Electrical machinery Manufacturing of special mechanical equipment; sales of motor vehicle charging; sales of charging piles; general equipment manufacturing (excluding special equipment manufacturing); centralized fast charging stations; business management consulting; big data services; information system integration services; contract energy management; network technology services; solar power generation technical services; sales of solar thermal power generation equipment; sales of communication equipment; sales of electrical accessories; sales of electronic products; wholesale of electronic components; retail of electronic components; wholesale of computer software, hardware and auxiliary equipment; computers Retail of software, hardware and auxiliary equipment; wholesale of auto parts and accessories; retail of auto parts and accessories; retail of motorcycles and spare parts; wholesale of motorcycles and spare parts; sales of electric bicycles; battery rental; photovoltaic power generation equipment rental; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; engineering and technology research and experimental development; energy storage technology services; technology intermediary services; research and development of emerging energy technologies; research and development of distribution switch control equipment; import and export of goods; technology import and export. Licensed projects: wire and cable manufacturing; construction engineering construction; inspection and testing services.