Video footage taken by a witness from a nearby building showed fire trucks blasting water at small flames on the ground, as well as what appeared to be part of the plane beside the building.
Police and ambulances swarmed the area, with officers blocking people from taking photos.
The CITIC Tower, which has 108 floors above ground and seven below, is able to accommodate 12,000 office workers.
China imposes strict restrictions on its airspace, particularly around Beijing’s urban area, citing public security.
