How to get into Shenzhen subway to work? When and where will the interview begin? What are the interview questions?

You can go to Shenzhen Metro official website to see if there is any recruitment information. You can also go to the larger local websites in Shenzhen or some national recruitment websites to search for their recruitment information, and then submit your resume. The interview place is usually in their company headquarters. As for the interview, I'm afraid I can't help you.