Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; automobile parts research and development; automobile parts and accessories manufacturing; automobile parts remanufacturing; motorcycle and parts research and development; intelligent robot research and development; Internet of Things technology research and development; software development; household appliances research and development; power distribution switch Research and development of related control equipment; sales of new energy vehicles; centralized fast charging stations; sales of new energy vehicle battery swapping facilities; sales of motor vehicle charging; sales of charging piles; operation of electric vehicle charging infrastructure; sales of new energy vehicle electrical accessories; battery manufacturing; battery sales; battery spare parts production; battery spare parts Sales; recycling and secondary utilization of used power batteries of new energy vehicles (excluding hazardous waste operations); sales of new energy vehicle production and testing equipment; sales of power electronic components; sales of household appliances; retail of electronic components; sales of automotive decorative supplies; sales of distribution switch control equipment; Internet sales (except sales (sales of goods requiring licenses); tram sales; toy sales; import and export of goods; mechanical parts and component processing; industrial robot manufacturing; power transmission, distribution and control equipment manufacturing; mechanical and electrical equipment manufacturing; mechanical and electrical equipment sales; power electronic component manufacturing; construction engineering machinery manufacturing; and moped manufacturing.