Polyurethane is a new type of polymer composite material and belongs to high-tech products,its nature between plastic and rubber but its performance is much better than the two, is an ideal material to replace them. Polyurethane vibrating screen is made of polyurethane materials. It mainly used for miningmineral processing, grading, dehydration and other screening machines replace metal sieve (mesh) of a new product. Mainly used in coal, iron ore, copper, gold and other ores grading, screening, dewatering and other places. It can separate and screen almost all of materials from coarse stones to fine materials and ideal for both dry and wet materials.