2. china academy of railway sciences is the only multi-disciplinary and multi-professional comprehensive research institution of China Railway. Now it has developed into a large-scale scientific and technological enterprise integrating scientific and technological innovation, technical service, achievement transformation, consulting and supervision, testing and certification and talent training.
3. china academy of railway sciences was founded in1950; In 2000, it began to be transformed from a public institution into an enterprise unit; In 2007, it was renamed china academy of railway sciences.