What do I need to take Didi from Tianjin to Yanjiao?

As long as there is a nucleic acid report within 72 hours.

I think as long as you have a nucleic acid report within 72 hours, wherever you go is a deliberate epidemic period. The vehicle that Ji A took pictures of. You can bypass Baodi and go back to Yanjiao. The original unit is required to issue a certificate. There is a travel code and a health code. Nucleic acid detection is also needed if necessary.