Yes.

The itinerary card is a valid voucher for itinerary tracking. It can show the places you have visited within 14 days. The communication big data itinerary card is provided free of charge to the country's 1.6 billion mobile phone users by the China Academy of Information and Communications Technology and three basic telecommunications companies, China Telecom, China Mobile and China Unicom, using mobile phone "signaling data" to obtain the base station location of the user's mobile phone. Inquiry service, mobile phone users can use the service to inquire about the information of all the cities that they have visited in the past 14 days. As of March 25, 2020, the cumulative number of inquiries has exceeded 450 million times.