DKS Co. Ltd. produces and sells surfactants and other industrial chemicals for various industries in Japan and internationally. It operates through six segments: Surfactants, Amenity Materials, Polyurethane Materials, Functional Materials, Electronic Device Materials, and Life Sciences. The company offers nonionic, anionic, cationic, polymerizable, and amphoteric surfactants, as well as formulated surfactant blends; and amenity materials, including sucrose fatty acid esters, sodium carboxymethyl celluloses, cellulose nanofibers and polymers, polyvinyl pyrrolidone, polyacrylamide and polyacrylate, industrial deodorants, and other products. It also provides polyurethane materials, such as polyether polyol, urethane prepolymer, and urethane systems; functional materials comprising radiation-curable monomers and oligomers, waterborne polyurethanes, flame retardants, and amide-based lubricants; and electronic device materials that include ionic liquids, ion-conductive polymers, and ceramic/metal injection molding materials, as well as conductive pastes for electronics, injection molding pellets, and functional inorganic materials. Further, the company supplies health food products that include an I. Japonica-Bombyx Fungus dietary supplement; and Sudachin, a peel extract powder made from citrus fruit. DKS Co. Ltd was formerly known as Dai-ichi Kogyo Seiyaku Co., Ltd. and changed its name to DKS Co. Ltd. in 2013. The company was founded in 1909 and is headquartered in Kyoto, Japan.