How to install the side net toolbox of semi-trailer

1. The toolbox of the semi-trailer is arranged under the floor of the semi-trailer, and the frame with girders is also arranged under the floor of the semi-trailer, wherein the toolbox includes the floor.

2. A front wall plate erected upward from one side of the bottom plate.

3. A rear wall plate which stands upward from the side of the bottom plate opposite to the front wall plate.

4. Two side wall plates, which respectively stand upward from the other two opposite sides of the bottom plate, so as to form a closed structure together with a front wall plate and a rear wall plate, wherein the front wall plate has at least one toolbox door, and the height of the rear wall plate is lower than that of the front wall plate.