Shanghai Tower is a 128-story, 632-meter-tall megatall skyscraper located in Lujiazui, Pudong, Shanghai. It is the tallest building in China and the world's third-tallest building by height to architectural top. It is the tallest and largest LEED Platinum certified building in the world since 2015. It had the world's fastest elevators at a top speed of 20.5 meters per second until 2017, when it was surpassed by the Guangzhou CTF Finance Center, with its top speed of 21 meters per second.