Nihon Kagaku Sangyo Co., Ltd. produces and sells industrial chemicals and building materials in Japan and internationally. It offers various inorganic metal products, including copper, tin, nickel, cobalt, bismuth, chromium, manganese, antimony, zinc, iron, and lithium compounds, as well as other products; organic metal compounds, such as metal acetylacetonate complex, metallic soap, PUCAT, and PA series products; surface treatment agents, including anodized aluminum treatment, electro plating, electro plating brightener/additives, electroless plating, etchant agent, and rust prevention; and other compounds. The company's chemical products are used in various applications, such as plastics, textiles, paints and inks, and electronics, as well as in cutting-edge industries, including optical communications, and secondary and fuel cell batteries. It also develops fireproof, waterproof, and ventilation construction materials; and Cool Fin heat exchangers, as well as offers stainless-steel handrails and mailboxes; fabricated metal products for industrial use; and materials used in roof eaves. The company was incorporated in 1924 and is headquartered in Tokyo, Japan.