Alluvial Gold Washing Used Trommel Screen For Sale
Gold trommel screen is a cost effective gold washing device for alluvial gold, it's used to remove the clay and big stone in the alluvial ore. with water flushing, the clay is dissolved in the water, and discharged with gold particles at the bottom of the trommel screen, and the big stones will be discharged at the end of the gold trommel ...