Where does the Cang Lang Expressway checkpoint in Beijing belong to Hebei?

Public security department. The inspection in Beijing is divided into two procedures: checking the travel itinerary code and checking the ID card. The inspection station in Beijing is managed by the public security department. Therefore, the Cang Lang Expressway checkpoint in Beijing is managed by the Hebei Provincial Public Security Department. To check the negative certificate of nucleic acid test within 48 hours and the green code of "Beijing Health Treasure", check twice within three days after arriving in Beijing, that is, 1 nucleic acid test within 24 hours, and nucleic acid test again within 24 hours and 72 hours.