Service life of steel belt of Xizi Otis elevator

2 years. The service life of the steel strip used by Xizi Otis Company is 2 years from the date of steel strip manufacturing, or it has been started for 3-4 million times. Xizi Otis Elevator Co., Ltd., the largest holding subsidiary of Otis, the world's first elevator brand, is the first brand of green elevators in China and one of the largest escalator manufacturers and service providers in China.