How to get a container from the US Mission?

Meituan needs a code to pick up the goods from the container.

The use of take-away tellers effectively improves the rider's food delivery efficiency and reduces the burden to some extent. When the food is delivered to the cupboard, the takeaway brother will send the customer a short message with a meal pick-up code, and the customer will pick up the meal according to the meal pick-up code.