1, Dry powder sift machine 2, By vibrating 3,low noise 4,large target material Specialty:This machine is composed of vertical vibration motor, a sieve bottom, a mesh frame, sieve room, rubber vibrating bowl, and all fastening pieces, etc. It can be operated for the sorting purpose either in single sieve of multi-sieves with a compact structure, ease operating and repairing, smooth running, low ...