The movable side wall box-car has advantages of high efficient mechanized loading and unloading and short running period during the transportation of boxed goods and palletized goods. It has been widely used in the developed countries, such as America and England. 活动侧墙棚车在箱装货物及托盘货物运输中,具有机械化装卸效率高、车辆运转周期快的特点,目前在英、美等发达国家得到了日益广泛的应用。