Hand crank mobile shelving for storage supplier’s manual steering wheel turning switch compact rack, easy and labor saving, more convenient to access files, brake system control lock, can easily lock the steering wheel, fixed hand crank mobile shelving for storage supplier, simple operation, with slope The floor rails give you the most attentive and intimate care, and it has the function of preventing trips. The details are under control. There are thickened buckles in the cabinet. The distance between the layers can be adjusted according to the needs to meet the storage requirements needs.