Different trains provide different equipment. There must be some hot water, lights, luggage racks, toilets, running water, mirrors and radio. Chairs are provided in hard-seat and soft-seat cars, and windows are provided in sleeper cars. 22B, 25B, 25b cars, also called green leather cars, provide electric fans in summer, and the windows can be opened. 25G, 25K, 25T, 25Z, red, blue and white cars provide air conditioning. Some newly-built carriages are zipper doors, and toilets are toilet collections. The glass is basically double-layer hollow glass, which can't be opened. Basically provide curtains. Hard seat, soft, with pillow towel. The sleeping car has a power supply, which can charge electronic equipment. Equipped with bedside lamp like a 25T sleeper car. Some trains add dining cars to provide catering services, and some mobile trolleys provide drinks and food services. EMU trains provide tilting seats, business seats can lie flat, and EMU trains provide televisions and toilets. Large luggage storage rack, magazine, sundries cleaning bag, reversible seat, front seat and rear mesh bag. Some send mineral water. There are two scrolling screens that provide speed, temperature and arrival information. All seats can be rotated except the bar car. Power supply is provided at both ends of the carriage. EMU trains do not provide smoking equipment. So much for practical use. ...