The company belongs to an old state-owned enterprise, which is relatively mature in all aspects and the income of employees is relatively objective, mainly depending on what business you are mainly engaged in. If you are engaged in construction, you will have more business trips and be relatively stable at the headquarters.
China Railway Tunnel Group (CTG) is the largest enterprise group in the field of tunnel and underground engineering in China. 1978 10 the State Council approved the reorganization of the 450 1 engineering headquarters into the Tunnel Engineering Bureau of the Ministry of Railways. 1September, 1999, the Tunnel Engineering Bureau was decoupled from the Ministry of Railways and renamed as "China Railway Tunnel Engineering Bureau". In May, 20001year, the Tunnel Engineering Bureau reformed the company system, and established China Railway Tunnel Group with China Railway Tunnel Group Co., Ltd. as the core enterprise, which integrates four functions of survey and design, construction, scientific research and development and machine maintenance, and is affiliated to China Railway Corporation.
The famous long tunnels in railway engineering that have been built or participated in the construction include Dayaoshan Tunnel (14.3km) on Hengguang Double Line, Wushaoling Tunnel (20.5km) on Wu Lan Second Line, and Xi 'an Ankang Qinling Extra-long Tunnel (18.5km) built by TBM machine for the first time in China. Yuanliangshan Tunnel (1 1. 1 km) is the longest karst tunnel in China, and Yuntaishan Tunnel (8.2 km) is the longest gas tunnel in China. The famous long tunnels in highway engineering that have been built or participated in the construction include: Fangdoushan Tunnel in expressway, Chongqing (7.6km), Huayingshan Tunnel in expressway, Guangzhou and Chongqing (4.7km), 3 17 Zhegu Mountain Tunnel in National Highway (4.4km, at an altitude of 4,000 m) and Erlangshan Tunnel (the longest tunnel of Sichuan-Tibet Highway) urban subway.