Amazon.com: VEVOR 19.6' Automatic Powder Sifter Machine ...
Automatic Vibrating Sifter This machine is composed of the vertical vibration motor, two screen meshes(one is 40 mesh, the other is 100 mesh), square frame, vibrating springs, and all fasteners, etc. Suitable for powder, fine particles, flour and liquid materials, widely used in chemical, abrasive material and ceramic, food, mechanical and other industries.
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