Denka Company Limited, formerly Denki Kagaku Kogyo Kabushiki Kaisha, is mainly engaged in the manufacturing of chemical products. The Company has five business segments. The Elastomers and Performance Plastics segment offers chemical products, such as styrene monomer, polystyrene plastic, acrylonitrile butadiene styrene (ABS) plastic, transparent resin, acetic acid and vinyl acetate, among others. The Infrastructure and Inorganic Material segment offers fertilizers, carbide, refractory products, cement and specialty admixtures. The Electronics and Innovative Products segment offers molten silica, electronic circuit cards, fine ceramics and electronic packaging materials. The Life Science and Environment Product segment offers food packaging materials, vaccines, joint function improvement medicines, diagnostic reagent and materials for construction, environment and industrial uses. The Others segment is engaged in the plant engineering, wholesale and electric power supply businesses.