Kunimine Industries Co., Ltd. mines, manufactures and sells bentonite and related clay mineral products primarily in Japan. The company offers refined bentonite including KUNIPIA, a high-purity montmorillonite; synthetic smectite SUMECTON with high thixotropy and transparency; activated bentonite Neokunibond; bentonite for castings, civil engineering, construction water-sealing, pet toilet sand, cosmetics, life sciences and waste disposal; agrochemical carriers, bases and formulations such as granular pesticides, water dispersible granules and water soluble granules; inorganic and organic industrial chemicals; agricultural chemicals and growth promoters; water treatment and wastewater agents; food and feed additives; exhaust gas treatment agents; and powder/granular processing equipment, plants and civil engineering materials. It operates through raw mineral, clay science including fine chemicals, life sciences, cosmetics and agribusiness segments, serving industrial, agricultural, environmental and consumer markets with production sites across Japan, research facilities and subsidiaries in Japan and overseas including Kunimine (Thailand) Co., Ltd. and Trans World Prospect Corporation in the US. Founded in 1943 and headquartered in Chiyoda-ku, Tokyo, the company maintains listings on the Tokyo Stock Exchange Standard Market. Recent developments encompass consolidated sales of 15.7 billion yen for the year ended March 31, 2025, ongoing expansion in clay science for sustainable applications and environmental harmony, and historical advancements such as the 2022 shift to the Standard Market amid Tokyo Stock Exchange restructuring.