Fuji Nihon Corporation manufactures and sells refined sugar and sugar-related products in Japan. Its sugar lineup includes refined white, granulated, brown, medium brown, rock, and liquid and liquid brown sugar. The company also offers inulin, a water-soluble fiber found in vegetables, and cut flower nutrients under the KEEPFLOWER brand, along with consultancy services for growers, florists, and customers, plus food additives and functional materials. Formerly known as Fuji Nihon Seito Corporation, it changed its name to Fuji Nihon Corporation in October 2024; it was incorporated in 1949 and is headquartered in Tokyo, Japan.