Application scope; starch, salt, sugar, milk powder, pigment powder, pharmaceutical powder, grease, rubber, plastic, epoxy resin, PVC resin particle, polyethylene powder, vinyl chloride resin, polymer powder, glass powder, refractory powder, spray soil, mud, grinding material, silica sand, rice resistant brick, artificial black lead, kaolin, lime, elimination, mica, alumina, calcium carbonate, lead powder, zinc powder oxygen, gold powder, steel powder, aluminum powder, iron powder, carbon black, light calcium, additives, pearl powder, quartz sand, petroleum support agent, fracturing sand, film sand, quartz powder and other difficult to screen materials!