The Shenzhen Stock Exchange building is a skyscraper with a height of 245.8 metres (806 ft) and 49 floors. Its construction started in 2008 and was finished in 2013.The building was designed by Rem Koolhaas's firm, the Office for Metropolitan Architecture.[9] The building is located at 2012 Shennan Blvd., Futian District.[3] With an area of 200,000 square metres, five high speed elevators and a futuristic design, the partners involved in the design and construction of this sky scraper included Rem Koolhaas, David Gianotten, Ellen van Loon and Shohei Shigematsu [10][11] and construction by The Second Construction Co., Ltd of China Construction Third Engineering Bureau, a subsidiary of China State Construction Engineering Corporation.