How do Zhengzhou subway security inspectors get in?

The security inspector's requirements on how to enter are as follows:

1, healthy, with regular facial features, no disability, no tattoo, no stuttering, fluent in Mandarin.

2. Excellent quality, hard work and no bad records such as illegal crimes.

3, male or female, with or without experience, age 18 to 30 years old.

4. Male net height 170cm (inclusive) or above, and female net height 158cm (inclusive) or above.

5. Strong sense of responsibility, no tattoos and obvious scars, and no criminal record. High-speed rail major, rail transit major and college veterans are preferred.