In addition to railways, enterprises have also created good engineering achievements in the fields of expressways, urban rail, high-rise buildings, municipal administration, airports, water conservancy and hydropower. Participated in the construction of several high-grade highways in the national highway network planning "79 18 network", including the capital radiation, the north-south vertical line, the east-west horizontal line, and more than 200 highways in more than 30 provinces and cities across the country; Participate in rail transit construction in Shanghai, Guangzhou, Shenzhen, Beijing, Wuhan, Changsha, Xi, Kunming, Guiyang, Tianjin, Qingdao and other cities; It has undertaken high-rise buildings and municipal projects such as Shaanxi Construction Bank Building, xi 'an Tieyi Hospital Office Building, Shanghai Feng Pu Bridge and Shenzhen River Regulation. Participated in water conservancy projects such as the South-to-North Water Diversion Project and the Three Gorges of the Yangtze River, and airport projects such as Capital International Airport, Haikou meilan airport and Taiyuan Wusu Airport. While making great achievements in the domestic market, enterprises actively promote the "going out" strategy. Since 2006, they have undertaken more than 20 projects in Algeria, Israel, Angola, Venezuela and other countries, all of which have created excellent local performance.
China Railway 12th Bureau Group is a powerful country in bridge and tunnel construction in China, with an annual bridge and tunnel construction capacity of more than 500 kilometers, and a large number of excellent bridge and tunnel products have been widely praised by the society. In terms of bridge engineering, it has undertaken or participated in the construction of 9 bridges across the Yellow River, 4 bridges across the Yangtze River and 3 bridges across the bay, and built several bridges on Songhua River, Pearl River and other rivers. Qingshui river bridge, the first long bridge of the Qinghai-Tibet Railway, was built, with a total length of1.8km, and a swivel bridge of the Shanghai-Hangzhou Passenger Dedicated Line was built, which set three world records. In tunnel engineering, 26 extra-long tunnels 10 km were built, which solved the long and complicated tunnel construction problem in Wushaoling tunnel construction of Wu Lan Railway. In the construction of Qiyueshan Tunnel, the first of the eight high-risk tunnels in Yichang-Wanzhou Railway, the construction problem of world-class karst tunnel was overcome. In the construction of Zhang Mao Tunnel on Zhengzhou-Xi 'an Passenger Dedicated Line, the world-class problem of water-rich large-section loess tunnel construction was overcome, and the patented technology "three-step and seven-step excavation method" was fully promoted by the Ministry of Railways. In the construction of Shiziyang Tunnel on Guangzhou-Shenzhen-Hong Kong Passenger Dedicated Line, the first underwater railway tunnel in China, technical problems such as ultra-shallow excavation, tool changing under pressure and river-to-river docking were overcome. During the construction of Zhongnanshan Tunnel in Qinling Mountains and Hongtiguan Tunnel in Changping Expressway in xikang high-speed, the world records of 429 meters and 556 meters per month for single excavation by manual drilling and blasting method were successively set.