Didi face-to-face sign needs to prepare an ID card. According to the relevant public information, I know that HR will communicate with you by phone on the first side of Didi interview, mainly to understand your resume. The second side is at Didi's Guangzhou headquarters, 55th floor of Yuexiu Financial Building. Remember to bring your ID card, otherwise you can't get in, and there will be an interview with the city management or something.