精品无码一区在线观看_尹人香蕉久久99天天拍_国产寡妇树林野战在线播放_日本精品一区二区三区在线视频_久久天堂av综合合色

Architectural engineering
Changda square
&Nbsp; & nbsp; & nbsp; & nbsp; Changda square is divided into 1 residential building, 2 College Students' apartments, 3 office buildings, 4 office buildings, staff restaurant, underground parking lot and other areas. 4. The office building is the group office building, including the enterprise exhibition hall and building museum on the first floor, the conference floor on the second floor, the staff activity center on the third floor, the archive floor on the fourth floor, and the office area on the sixth floor and above. This is an important milestone in the company's development history, which was officially put into operation on November 9, 2013.