One Rear Driving Wheel 1. Using Ruyi self developed rear wheel driven design, with stable quality, small turning radius, and very good pass through abilities. 2. Rated capacity is 1500kg with side shift all panels use steel plate with compact appearance and good durability. 3. All panels and covers are made by steel, they are in good durability. 4. With Sideway battery moving system, it is easy for battery changing. 5. Two lifting cylinder on both side of mast, ensure good visibility and high stability. 6. Using rubber wheel with good shock proof, low noise suitable for indoor and outdoor use on different ground. 7. Rear driving system, smart design with small turning radius and goods pass through, have good performance. 8. Use AC motor without brush, free of maintenance. 12. Have option of cold-storage, full AC control system.