In May 29th, the Beijing municipal sub center administrative office district government building was formally approved by the group. The project is 2 floors underground, 10 floors on the ground, with a total area of nearly 300 thousand square meters. The group nine branch is responsible for the mechanical and electrical installation of 2#, 3# and underground parts of the west district. The construction area is over 90 thousand square meters. The project department began to take part in the construction in September 2016, with a peak of more than 700 people. During the period, the construction personnel overcome the difficulties, give up the holiday, take the workers 3 shifts to work, 24 hours to fight in the project, strive to ensure the progress and quality of the project. The project was inspected and inspected by general secretary Xi Jinping and the leading leaders of Beijing, and the project was fully affirmed. After strict acceptance by experts from all walks of life, the quality of the project conforms to the requirements of the code and passes through the final acceptance. (Li Jialong)