... efficiency 5.automatic screen ♦introduction of automatic screen filter :1.DY-450 type vibration filters are new ... dope, printing ink, pharmacy, food and etc. ♦screen filter main work features: 1, high efficiency, the design is ... rice noodle, milk powder, egg powder, sauce, syrup3.Metallurgy, Mine industry: aluminum powder, copper powder, ore alloy powder, welding rod powder, 4.Medicinal industry: ...