Product Features 1. Shelves archives section type, frame width, number of layers and the number of columns selected according to user needs (order 18,623,758,929) 2. Ends usually about double mobile rack or door, there is a steel and glass door two kinds. 3. Track group in three forms: ground-mounted, ground-mounted ramp and buried. To track groups remain buried trench surface level deviation should be less than 3mm / m, grow up to 10mm 4. entire drive mechanism using precision roller chains and spherical bearings, drive smooth and flexible, lightweight shaking force. Foldable handle, to avoid traffic barriers. 5. Each column aircraft are equipped with brakes. Rack mounted side locks, locking frame for the entire group as a monolithic group 6. chassis combined fire segmentation, high precision, with docking compatibility and wide range of festival-type, then a little bit for the transport and installation. 7. Using the frame plate and have buckle hook hanging plate and lever, assembled smooth and firm. 8. each frame plate (25mm thick) uniform standard maximum load, 60 kg single-sided, double-sided 80 kg.