The products installed on railway vehicles will be impacted and vibrated due to the nature of railway operation environment. In order to ensure the acceptable quality of the installed products, it is necessary to simulate the environmental conditions of the products within the service life to test them for a certain period of time. Including: simulated long life vibration test, shock test and functional vibration test. CTI has the vibration and shock test bench with various thrust levels can provide the third-party testing service for railway transit vehicle equipments and components according to IEC 61373, GB/T 21563 and other test standards; We can also provide customized test solutions according to customers' personalized requirements.