Are Tianheng Building and Yufei Building the same boss?

Yufei Building is located on the east side of Tianheng Building, with an area of more than 35,000 square meters and a height of 80 meters. * * * 19 floor, overground 15 floor and underground 4 floor. No, Tianheng Building is located in the southeast corner of Dongzhimen overpass in Dongcheng District, Beijing, with a total area of 3,693 square meters and a total construction area of 42,925 square meters, with 22 floors above ground and 4 floors underground.