--   New and novel products are used to remove impurities and clean manually fed materials.
      --   A vibrating motor is equipped under the screen body. By selecting the reasonable mesh number and exciting force of the screen, the materials can pass through the screen quickly, and the large impurities can be cleared out of the machine manually on a regular basis.
      --  Both sides of the feeding door are equipped with gas springs, which can seal reliably and prevent dust leakage.
      --   The feeding port is generally combined with a low-noise pulse dust collector to make the environment of the feeding port more environmentally friendly and humanized.