General business items are: Sales of batteries; Sales of electronic products; Sales of electrical accessories for new energy vehicles; Sales of new energy driving equipment; Sales of photovoltaic equipment and components; Research and development; Sales of power distribution switch control equipment; Domestic trade agency. (Except for projects subject to approval in accordance with the law, business activities can be carried out independently according to the law with a business license), and the licensed business items are: Import and export of goods; Import and export of technology. (Projects subject to approval according to law can only be operated after being approved by relevant departments. The specific business projects are subject to the approval documents or licenses of relevant departments)