What are the main materials on the shelf?
Paper shelves: usually disposable products, used in supermarkets more;
Plastic shelves: usually of small size, used for display or storage of some commonly used gadgets.
Alloy shelf: an improved version of the aluminum shelf, which improves the carrying capacity, but also increases the cost;
Shelf material from the points, may be divided into the following categories:1) steel shelf: it is currently on the market sales of the largest varieties, from the warehouse to the supermarket shelves, steel sales volume is the largest, the reason should be the mechanical properties of steel raw materials with low price and excellent and good processing properties (such as weldability);2) wooden shelves, mostly for household storage or display in supermarkets3) aluminum shelves: because of its portability and beauty, mostly used in supermarkets, carrying capacity is limited;
