The general business items are: technological development, production and sales of motorcycle alarms, car alarms, electric vehicle alarms, tablet computers, electric vehicle controllers, car reversing radars, car GPS navigation systems, and car finders; domestic trade (except for items that must be approved before registration according to laws, administrative regulations, and decisions of the State Council); import and export of goods and technology (except for items prohibited by laws and administrative regulations, and items restricted by laws and administrative regulations must obtain a license before they can be operated). Energy storage technology services; sales of intelligent power transmission, distribution and control equipment; sales of batteries; sales of smart home consumer equipment. , the licensed business projects are: power transmission, distribution and control equipment manufacturing; battery manufacturing; smart home consumer equipment manufacturing;