1. Clean and disinfect the trailer.

2. Put the beverage box into the trailer, and choose the appropriate filler to fill it according to the size and shape of the box to avoid the box shaking and bumping during driving.

3. Fix the box. You can use rope or belt to fix the box and trailer together to ensure that the box will not slide or shake.

4. The packaging box can be packed with plastic film or carton to protect the surface of the box from scratches and collisions.

5. Check the doors and windows of the trailer to ensure that the doors and windows are closed to prevent external dust, rain and sand from entering the trailer.

6. Finally, carry out quality inspection to ensure that the car sealing work conforms to the relevant national regulations and standards, and ensure the quality and safety of drinks during transportation.