Asaka Riken Co., Ltd. engages in the collection and refinement of precious metals and manufacture of industrial chemicals. It operates through the following business segments: Precious Metals, Environmental, System, and Others. The Precious Metal segment collects, refines, and processes gold, silver, palladium and other metals; and cleans and recycles various tools and functional parts. The Environmental segment collects ferric chloride solution and used wastes; and sells water treatment chemicals, etching solutions, photo catalysts, copper pellets and powders. The System segment covers system contract development. The Others segment includes industrial chemical transportation; and wastage collection and transport. The company was founded on August 25, 1969 and is headquartered in Koriyama, Japan.