Railway development, construction, operation, and management; agency operation and maintenance of railway dedicated lines; warehousing and logistics; locomotive and vehicle maintenance; hotel management; hotel, accommodation, and catering (limited to branch operations); planting, processing, and sales of agricultural and sideline products; investment, construction, operation, and technical services for new energy projects; development, production, and sales of high-tech products; breeding, planting, processing, and sales of animals and plants; development, production, and sales of food, daily-use chemical products (excluding precursor chemicals and hazardous chemicals), and alcoholic beverages; transfer of electricity and water supply services.