The double-layer 800mm cassava powder vibrating screen produced and sold by Xinxiang Dayong is specially used for screening cassava powder in food industry.DY rotary vibrating sieve is a kind of fine vibrating sieve with characters of low noise, high efficiency, quick layer exchanging within 3-5 minutes and whole sealing construction, which is suitable for sorting of particles, powders, liquid etc. such as beans, flour, milk