Profile: Didion International, Inc. manufactures rotary processing and foundry equipments. Our rotary sand/casting separators are used to separate sand from castings, empty sand pockets and cores. Our thimble cleaners utilize tumbling action for cleaning carbon from cast iron thimbles. Our rotary sand blending cooling drums are used to blend, cool, condition, screen and classify green return sand to improve sand system and production. Our rotary tumbler/dross reclaimers feature dynamically isolated articulated crushing roller with serrated teeth to reduce large chunks.