110~500KV变电所总布置设计规程

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OTIS China Introduction Otis Elevator Company is the largest elevator company in the world, Asia and China. For more than 150 years since Mr. Elisha Otis invented the world’s first safe elevator, Otis has been the industry leader with its innovative technology and services. Otis products and services cover various kinds of transportation systems like elevators, escalators, and moving sidewalks. At present, Otis is operating in more than 200 countries and regions. More than 1.9 million Otis elevators and 130,000 escalators worldwide move the equivalent of the world’s population every five days. Meanwhile, about 1.5 million elevators and escalators serviced by Otis in the world.