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China since the founding of new railways have been a cause of development and revitalization of the national economy has made outstanding contributions. In the great railway development of railway signals also develop constantly improved, gradually developed relatively complete knowledge of the system theory with practice. In the development process, the signal has a glorious there have also been setbacks, gives us experience and lessons .

China since the founding of the railway undertakings has been greatly developed, has made outstanding contributions to the revitalization of the national economy. In the large-scale development of the railway at the same time, railway signalling is constantly developing, and gradually form a relatively complete system of theory and practice of knowledge. In the development process, the railway signals have been brilliant and there have been setbacks, constantly to our railway staff to experiences and lessons learned.

China since the founding of the railway industry has been tremendous growth, the revitalization of the national economy have made outstanding contributions. In the great development of the railway, railway signal has also been developed, and gradually formed a relatively complete system of theory and practical knowledge. In the development process, railway signal has been brilliant and there have been setbacks, the railway people to continue to give us the experience and lessons learned.

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