CC5C has the ability to construct 10 shield tunneling projects and 50 freezing projects at the same time, and has a multi-functional demolition robot. The construction footprint has spread all over Beijing, Tianjin, Hong Kong, Jiangsu, Zhejiang, Shanghai, Anhui, Hubei, Henan, Shanxi and other provinces, forming a market pattern based on the Yangtze River Delta, radiating in the East, South and Midwest China. It has participated in a number of national major projects, among them, more than 20 single-line monthly development of the subway shield construction has exceeded 400 meters, with a maximum of 32.4 meters per day and a maximum of 504 meters per month. And the participation of Shanghai Rail Transit Line 9 Phase III, Line 17 was awarded the first batch of “Shanghai 2018-2019 Traffic Construction Quality Project”. CC5C has many successful completions of high-difficult shield construction through the building complex, elevated buildings, river, curved section, shallow covering soil and other complex formations and environment along.  CC5C has overcome the unfavorable factors of long line and large section in the construction of the Xiaobiangou Highway Tunnel in Yan'an and attained good results of safe and smooth connection in advance, and won the Pagoda Cup Prize of Yan'an Construction Project and the civilized construction site of Shanxi Province.