Brief introduction of China Railway 12 th Bureau and 7 th Company

China Railway 12th Bureau Group Seventh Engineering Co., Ltd. is now a construction enterprise with the qualifications of general contracting of municipal public works, bridge engineering, tunnel engineering, railway engineering, housing construction engineering, highway engineering and highway subgrade engineering, and its business area covers the whole country. The company was formerly known as Changsha rear base of the Second Division of Railway Corps. 1984 was collectively placed under the Ministry of Railways, and its name was Changsha Office of the 12th Engineering Bureau of the Ministry of Railways. 1998 merged with the headquarters of Hunan Huanghua Airport to form the Hunan Engineering Headquarters of the 12th Engineering Bureau of the Ministry of Railways. In 2000, it established a modern enterprise system and became the Seventh Engineering Co., Ltd. of China Railway 12th Bureau Group with independent legal personality.