Established in 1962, the predecessor of China Railway Third Engineering Group Co., Ltd. has traveled all over the country for 40 years. He has successively participated in the construction of railway lines such as Taijiao, Ji Jiao, Xinhe, Houyue, Beijing-Kowloon, Baozhong, Shenshuo, Neikun, Liu Zhu, Qinshen, Baolan, Southwest, Huai Yu and Luozhan, and made contributions to the railway construction of the motherland. The business scope has also expanded from the previous single housing construction project to roads, subways, light rail, water conservancy, environmental protection, docks and other fields, and its business tentacles have extended to Beijing, Shanghai, Tianjin, Chongqing, Shanxi, Shandong, Hebei, Shaanxi, Gansu, Jiangsu, Fujian, Sichuan and Hunan provinces and cities.
The company has the first-class qualification of civil construction engineering test approved by Shanxi Provincial Construction Department, with instruments and equipment worth 2.4 million yuan and 25 senior and intermediate professional and technical personnel, and has sub-stations in Shanxi, Shaanxi, Hunan, Chongqing and Xiamen. 1996 has passed the metrological certification of the State Bureau of Technical Supervision, 16 class, 1 14 parameter. At present, it undertakes scientific research projects of Ministry, province and group company 14, and has certain scientific research ability in concrete. The concrete admixture has been used in more than 50 projects, especially the performance of antifreeze products is among the best in the province, and it has been commended and recommended by Shanxi Winter Application Association.