Tianjin Modern City Office Tower is a supertall skyscraper in Tianjin, China. It is 338 metres (1,109 ft) tall. It was first proposed in 2010. Construction began in 2011 and ended in 2016.[2] The tower is a part of a set of two towers with the other tower being 205 m (673 ft) tall. The secondary tower is used primarily as a hotel and luxury apartments.[citation needed]