... save cost. 3. ISO9001:2000 Polyurethane vibrating panelPU sieve plate is widely used in the mine, metallurgy, coal, ... coking, chemical industry. The shapes of the plate mainly include: comb shape, square shape, oblong shape, ... and long-lasting.(2)The polyurethane sieve plate is much lighter than the similar size steel ... can meet different requirements of customers. Polyurethane flat sieve plate