I want to go to the first floor of the 22nd floor. How to press the elevator?

The elevator is "the first step to go out and the last step to go home". According to conservative estimates, there are1500 million people taking elevators every day in China, and elevators have become an indispensable vertical means of transportation in people's daily lives.

At the same time, China is also a big country in elevator production and use, and the number, annual output and annual increment of elevators rank first in the world. In 20 17, the output and new increase of elevators in China were 780,000 and 680,000 respectively, accounting for 75% and 65% of the world total.

In the process of use, the elevator owner shall be responsible for the use and management of the elevator according to law. Residential elevators are generally shared by many owners, and the owners entrust the property management company to manage the elevators, so that the property management company can assume the responsibility for the use and management of the elevators.