Introduction to HKUST Tiangong Building: Tiangong Building is the main project of the third phase of Beijing University of Science and Technology Park. It is the single building with the largest construction area and the most investment in the 55 years since the establishment of the University of Science and Technology Beijing. The total construction land is 26,500 square meters. , with a total construction area of 102,294 square meters, the theme building has 21 floors above ground, 3 floors underground, and is 80 meters high. The building has complete functions, mainly office buildings, and equipped with conference, catering, business, leisure and other supporting facilities.