Production of road motor vehicles; road freight transport (excluding dangerous goods); food sales; alcohol sales; urban distribution and transport services (excluding dangerous goods); operation of Class III medical devices. General items: sales of automobiles; processing of mechanical parts and components; research and development of automotive parts; retail of automotive parts; motor vehicle repair and maintenance; general cargo storage services (excluding items requiring permits such as hazardous chemicals); loading and unloading; information consulting services (excluding licensed information consulting services); import and export of goods; vehicle towing, rescue, and clearance services; research and development of internet of things technology; supply chain management services; commercial complex management services; domestic trade agency; internet sales (excluding goods requiring sales permits); research and development of emerging energy technologies; conference and exhibition services (overseas exhibitions require approval from relevant departments); marketing planning; sales of charging piles; operation of electric vehicle charging infrastructure; business training (excluding educational training, vocational skills training, and other training requiring permits); sales of Class II medical devices.