Where is the entrance sign of the battery car in the Affiliated Hospital of Anyi University?

The entrance sign of the battery car in the Affiliated Hospital of Anyi University is collected at the office. In order to effectively implement the layout planning of battery cars, the Affiliated Hospital of Anyi Medical University implemented the policy that battery cars can only enter the hospital gate with the entrance sign of battery cars, which greatly reduced the confusion caused by the battery cars being misplaced.