Is the plastic tray, plastic tray is use thermoplastic plastics such as PE, PP, add some additives, improve performance by injection molding, blow molding process. As the production conditions, storage conditions, the requirement of increasing the process control, quality management, because the wooden pallets in health status and unable to overcome the limitations of standard production, plastic tray, and quickly occupied a place. Has been widely used in machinery, electronics, food, medicine, clothing, etc. Compared with the wooden tray, plastic tray, integral sex is good health and clean, easy to wash disinfection, have qualitative light, in use without stinging, acid and alkali resistant, no mildew etc, its service life is 5 to 7 times that of the wooden pallets. In addition, the plastic tray conform to the requirements of environmental protection, waste plate materials can be recycled. Although plastic pallet prices are relatively high, but the use of cost accounting is lower than the wooden pallets.