Good employment stability. EMU mechanics are professional and technical personnel in the field of railway transportation. With the continuous development of railway transportation, the demand for EMU mechanics is relatively stable. As railway transportation is an important part of national infrastructure and plays an important role in ensuring the safe and smooth transportation, EMU mechanics have certain employment stability in the railway transportation industry. By constantly learning and upgrading their skills, EMU mechanics can obtain higher-level positions, such as technicians, senior technicians and engineers.