Riken Corundum Company Limited.
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Riken Corundum Company Limited, founded in 1935 and based in Konosu, Japan,... Riken Corundum Company Limited, founded in 1935 and based in Konosu, Japan, specializes in the global production and distribution of surface finishing materials, such as coated abrasive papers, cloths, and powders. The company also supplies parts for office automation equipment and a variety of consumer goods. Complementing its manufacturing endeavors, Riken Corundum further engages in the management and leasing of real estate assets. It operates as a subsidiary of Okamoto Industries, Inc.
