Manufacturing of generators and generator sets; Sales of generators and generator sets; Manufacturing of general equipment (excluding special equipment); Repair of general equipment; Repair of electrical equipment; Manufacturing of motors; Sales of mechanical parts and components; Sales of power facility equipment; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; Manufacturing of containers; Sales of containers; Research and development of power distribution switch control equipment; Manufacturing of power distribution switch control equipment; Sales of power distribution switch control equipment; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of new energy prime movers; Sales of new energy prime movers; Spray painting; Sales of lubricating oil; Internet sales (excluding the sale of goods requiring permits); Battery sales; Research and development of emerging energy technologies; Research and development of high-efficiency energy-saving technologies in the power industry; Energy storage technology services; Leasing services (excluding licensed leasing services); Installation services for general mechanical equipment; Import and export of goods; General cargo warehousing services (excluding hazardous chemicals and other items requiring permits and approvals); Repair of special equipment; Maintenance of electronic and mechanical equipment (excluding special equipment). (Except for projects requiring approval by law, business activities may be carried out independently in accordance with the law based on the business license. ) Permitted projects: Road freight transportation (excluding dangerous goods); Urban distribution transportation services (excluding dangerous goods); Construction engineering; Installation, maintenance and testing of power transmission, supply and receiving facilities; Power supply business; Electrical installation services. (For projects requiring approval by law, business activities may only be carried out after approval by relevant departments, and the specific business items shall be subject to the approval documents or licenses issued by relevant departments. )