
hammers for line and clay crusher products. as a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, hammers for line and clay crusher, quarry, aggregate, and different kinds of minerals.,cement plants clays and shales,alluvial clay was the first to be used in portland cement in the thames valley (and although the source of clay used by joseph aspdin in yorkshire is unknown, it was most probably also alluvium). early cement manufacturers ascribed almost magical qualities to the alluvium of the medway estuary, and even distant plants (e.g. shoreham ) used it