Detailed Product Description The shaking bed is a mine selecting machine for finematerials and it works ... . It is widely used in selection of Tin,tungsten, gold, silver, lead, zinc, tantalum, niobium, iron, manganese,ferrotitanium and coal. Our ... mainly by the head of a bed, the electric motor, the accentslope,the surface of bed, the ore trough, the water though ...