Polyurethane Sieve (mesh) is developed in recent years for mining mineral 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, is one of the components necessary shaker sieve structure by polyurethane are divided into four types: mosaic bolt Join layering connection screen hook connection.