Shanghai

Completed in 2015 , the Shanghai Tower is the tallest building in China and the second tallest globally , standing at 632m in height . It has a total of 128 floors and was constructed from a composition of reinforced concrete and steel . It functions as a hotel and office and is owned by Shanghai Tower Construction and Development . The building was first proposed in 2008 , with construction beginning in 2009 . It is the third in a trio of signature skyscrapers at the heart of Shanghai ' s new Lujiazui Finance and Trade Zone .