Telecommunication department is an important institution of railway system. Be responsible for managing and maintaining the ground signals, locomotive signals and turnouts of the train during its operation. Generally speaking, it is the unit responsible for "traffic lights". The duty of the electric section is to maintain the signal equipment to make the signal display normal, maintain the switch machine and turnout to make the turnout move normally, and ensure the normal operation of the train. It should be noted that before 2000, China Tietong was also an important part of the telecom segment, that is to say, the early telecom segment was composed of communication and signal.
Hydropower section, which is responsible for the hydropower of equipment on the railway and the hydropower of railway departments, is the basic part of the railway, but it is not the five major systems.
Railway, train, locomotive, engineering, electric power and locomotive are five systems. Namely, train services, maintenance, public works, electric power services and vehicles. Five parts. It is the five most important foundations of the railway.
Railway Administration is a characteristic product of China railway management system and an important part of China railway three-level system. There are 18 railway bureaus in China, namely: Harbin Railway Bureau, Shenyang Railway Bureau, Beijing Railway Bureau, taiyuan railway administration Railway Bureau, Hohhot Railway Bureau, Zhengzhou Railway Bureau, Wuhan Railway Bureau, Xi 'an Railway Bureau, Jinan Railway Bureau, Shanghai Railway Bureau, Nanchang Railway Bureau, Guangzhou Railway (Group) Company, Nanning Railway Bureau, Chengdu Railway Bureau, kunming railway administration Railway Bureau, lanzhou railway administration Railway Bureau, Urumqi Railway Bureau and Qinghai-Tibet Railway Company.