Intelligent catering tray

Background: The restaurant under the future smart theme. This tray can catch the cup and the plate, which can effectively avoid the cup falling and the plate sliding. The signal transmission between the chips in the cup and the plate and the chips in the tray can guide the table number of the waiter to be sent to. At the same time, the customer can also see the number on the tray to determine whether it is sent to their own table. Make the food service industry more intelligent and efficient.