Suitable for drying, baking, frozen seafood, honey products, dried fruit class products with plastic sun disc, main characteristic is that sun plate of a plastic injection molding, set on the bottom of stiffener, with high strength, can be superimposed multilayer, suitable for food processing: in the baking, drying, air drying using alternative in bamboo, wood products high resistance to impact, good weather resistance. Can be 100% recycled. Pressure, chemical resistance, not tide, not bibulous, not moldy, not born of mixed bacteria and easy cleaning.