1. qualification certificate: all types of work in the railway system have qualification certificates, that is, post qualification certificates, which are also obtained through assessment. A certain post qualification certificate can be recognized and used in the corresponding post in the country.

2. School certificate: Scholarship certificate is listed as a necessary condition for screening resumes by many enterprises. Without scholarships, there will be no interview opportunities.

3. Commissioning certificate of radio, television and communication equipment: the certificate required for applying for communication work.

4. signalman certificate: the certificate required for applying for signalman.

5. Train driver grade certificate: the certificate required to apply for a train driver.