What are the common materials for shelves?

　　1、 Shelf is a general term, which contains a lot of contents. From the material point of view, it can be roughly divided into the following categories:

　　1. Steel frame: This is a variety with large sales in the market at present. From warehouse to supermarket, the sales volume of steel frame is large. The reason should be the low price of raw materials, excellent mechanical properties, and good processing properties (such as weldability);

　　2. Wooden shelves are mostly used for household storage or supermarket display.

　　3. Aluminum frame: because it is light and beautiful, it is mostly used in supermarkets, and its carrying capacity is limited;

　　4. Alloy shelf: It is an improved version of aluminum shelf, which improves the bearing capacity, but also increases the cost.

　　5. Paper shelf: usually a disposable product used by supermarkets;

　　6. Plastic shelf: usually smaller, used to display or store some commonly used small goods.

　　The shelves commonly used in the warehouse are straight through shelves, attic shelves, cross beam shelves, laminated shelves, smooth shelves, drawer shelves, etc. Now, with the development of intelligence, there are more and more automatic shelves, shuttle shelves and three-dimensional warehouses, but the first few shelves are still used more.

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