... . light weight and save cost. 3. ISO9001:2000 Polyurethane vibrating panelPU sieve plate is widely used in the mine, metallurgy, coal, ... , fine mesh sieve.Features are as follows: (1)It is wear-resisting, oil-resisting and long-lasting.(2)The polyurethane sieve plate is ... much lighter than the similar size steel sieve plate,thus,it reduces the sieve ...