wire shelving units on wheels.The main characteristics of dual depth shelves

　　1. Compared with single depth shelves, double depth shelves adopt four sets of shelves arranged side by side, effectively reducing shelf channels. Each storage shelf line can store more than twice the number of pallets, so the storage capacity is significantly higher than that of ordinary crossbeam shelves;

　　2. Special forklifts - scissor type forklifts are required;

　　3. For the storage and retrieval of goods in the back row, it is difficult to meet the requirement of first in, first out, just like the entry type shelves. The corresponding goods in the front row can only be removed and moved before storage operations can be carried out. In order to improve warehouse utilization, it is generally necessary to consider storing the back row shelves first and then the front row shelves when storing inventory.

　　4. Cost is a lower cost shelving system among all three-dimensional warehouse systems;

　　5. When shipping goods, it is necessary to dispose of the goods in the back row at once, otherwise it will affect the utilization rate and operational efficiency of the warehouse, and may even require frequent reverse operations.

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