With the deterioration of the global environment, we pay more and more attention to the protection of the environment, and thus more and more high requirements for product environmental protection, before the disposable packaging, occupies a large amount of space and can not be stacked, so that the cost of transportation is also higher. Stacking racks are also called turnover racks, and now turnover racks can not only be folded three-dimensional storage space-saving, but also can be recycled, longer life, which is an important advantage of stacking racks, not only that stacking racks also have the following characteristics: strong load-bearing capacity, easy to fix, storage of goods at a glance, easy to warehousing inventory; the surface of the plastic spraying treatment, effective rust, corrosion-resistant; with a forklift truck, it can be used for transporting, handling, loading and unloading, reducing labor and intensity. loading and unloading, reduce labor time and intensity.