Zifeng Tower

Zifeng Tower (Greenland Center-Zifeng Tower or Greenland Square Zifeng Tower, formerly Nanjing Greenland Financial Center)[3][4] is a 450-meter (1,480 ft) supertall skyscraper (special class of skyscraper) in Nanjing, Jiangsu. The 89-story building completed in 2010 comprises retail and office space up to floor 41. Floors 49-71 feature a hotel, numerous restaurants, and a public observatory on the 72 floor. The tower's stepping is functional, helping to separate these sections.[3] The building is currently the tallest in Nanjing and Jiangsu province, the sixth tallest in China and the twentieth tallest in the world.

Zifeng Tower
紫峰大厦
Zifeng Tower in September 2017, with Xuanwu Lake and Purple Mountain in the background
General information
Status	Complete
Type	Mixed use
Location	1 Zhongyang Road Gulou District, Nanjing, Jiangsu
Coordinates	32°03′44.9″N 118°46′41″E
Construction started	May 2004
Completed	January 2010
Opening	18 December 2010[1]
Cost	5 billion RMB
Height
Architectural	450 m (1,480 ft)[2]
Roof	381 m (1,250 ft)
Top floor	316.6 m (1,039 ft)[2]
Observatory	271.8 m (892 ft)[2]
Technical details
Floor count	94
Floor area	1,480,350 sq ft (137,529 m2)
Lifts/elevators	54[2]
Design and construction
Architect	Adrian Smith at SOM
Structural engineer	Skidmore, Owings and Merrill
Main contractor	Shanghai Construction Group
Other information
Parking	1200
References
[2][3]

Zifeng Tower compared with other tallest buildings in Asia.

Architectural firm Skidmore, Owings and Merrill designed the building, led by Adrian Smith.[3][5][6] The Tower occupies an area of 18,721 square meters. The Nanjing Greenland InterContinental Hotel is located within the tower.