What are the standards for four-star hotels?

Background music system, 18 hour foreign currency exchange service, etc.

Four-star hotels must meet certain standards. Including central air conditioning (except villa resort hotel), background music system, 18-hour foreign currency exchange service, at least 40 rooms for rent, 70% rooms with an area of not less than 20 square meters (excluding the bathroom), Internet access service, telephone and hair dryer in the bathroom, mini-bar in the room and tableware in the restaurant should be fully equipped and undamaged according to the habits of Chinese and western food. Buildings with more than three floors should have enough high-quality passenger elevators, elegantly decorated cars, ticketing for transportation, movies and visits, and local sightseeing services. Employees should be able to provide services in Mandarin and English and, if necessary, in a second foreign language.