420 meters. Jinmao Mansion is designed by American S.O.M Company, covering an area of 24,000 square meters and 420.5 meters high. The main building has 88 floors, the podium has 6 floors and the basement has 3 floors, with a total construction area of 290,000 square meters. The building integrates the functions of office, hotel, catering, sightseeing, exhibition, entertainment and shopping. It is a modern skyscraper with unique design, luxurious decoration, advanced equipment and people-oriented everywhere.