Elevators are different types of elevators depending on the height of the building, its purpose, and the amount of traffic. There are different types of elevators for different purposes. Passenger elevators; elevators designed for transporting passengers, requiring complete safety facilities and certain interior decoration. The application range is the widest. Cargo elevator; usually people ride with, mainly for the transportation of goods and the design of the elevator. Mainly used in factories and warehouses. Medical Elevator; designed for transporting beds including patients, stretchers, and medical carts and used in medical centers. Sightseeing elevator; elevator with at least one side of the shaft and car wall transparent for viewing the scenery. Ship elevator; elevators used on ships, usually for large ships. Vehicle elevators; elevators designed for transporting vehicles and used in three-dimensional parking facilities. Other types of elevators, in addition to the above commonly used electric questions, there are special-purpose elevators. Such as cold storage elevator, building construction elevator, explosion-proof elevator, mine elevator, power station elevator, firefighter elevator, inclined elevator, nuclear island elevator and so on. With the continuous development of the economy, the types of elevators are also increasing, the future development of elevators will be more intelligent.