How to be an unannounced visitor to the subway

You can find it on the major recruitment websites, and you can try to contact the unannounced visitor of the subway. According to the relevant public information, the requirements of unannounced inspectors in Chengdu subway stations are: 18-4 years old, male or female, articulate and dignified. Salary: 25 yuan/station, each station will check for 2-3 minutes, and 1-2 inspectors can be completed in one day.