Asaka Riken Co.,Ltd. engages in the precious metal, environmental, and other businesses in Japan. It collects precious metals, such as gold, silver, platinum, palladium, etc. from substrate scraps, defective products, and disposed products; provides precision cleaning services for shield plates and masks; regenerates and recycles components from defective products in the production process; and collects and evaluates valuable metals from dental scraps. The company also collects and recycles waste solutions of ferric chloride and cupric chloride, as well as offers coagulant for drainage treatment in the sewer system and coagulation/precipitation agent for treatment of various types of factory effluent and animal manure. In addition, it offers filter materials for purified water, as well as designs/constructs filter systems; and develops, manufactures, and sells photocatalyst materials for environmental purification. Further, the company develops and sells various data measurement processing systems and automatic measuring systems; and develops other network systems, such as Intranet/Internet application systems. The company was incorporated in 1969 and is headquartered in Koriyama, Japan.