1. Because the automobile body is small and narrow, suits saves, takes the cargo on the warehouse and the shelf. 2. The import electric control and the hydraulic pressure rise and fall the pumping station, causes complete bikes's work stable highly effective. 3. Three set of independent braking systems, including has loosened the travel switch's self-braking. 4. The integral-type goods boom causes the bearing capacity to be higher, the field of vision is better.