According to the specification and size of the applicable container board, the front and rear of the vehicle body are equipped with fixed limit devices, and the two sides of the vehicle body are equipped with movable stop limit devices. There will be no jumping and derailment during the shipping process. The front and rear fixed baffles are strengthened with guiding functions to prevent the goods from being stuck when the loading direction is slightly incorrect. The tail is equipped with a self-locking hook device to prevent the rear vehicle from disengaging, so that the train can be connected smoothly. It is equipped with galvanized roller transmission, and there is a patterned walkway in the middle for easy operation. The mop has dual functions of multi-vehicle connection and braking. The forklift positions on the left and right sides are designed to facilitate the movement of the trailer with a forklift. The surface is sandblasted and sprayed with topcoat according to user requirements. According to user requirements, the customer's LOGO is added.