Showa Denko K.K. is mainly engaged in the petrochemical business. The Petrochemical segment manufactures and sells olefin, organic chemicals and others. The Chemical Product segment manufactures and sells functional polymeric materials, industrial gas, basic chemicals and information electronic chemicals, among others. The Electronics segment manufactures and sells hard discs, compound semiconductors, rare earth magnets and alloys and others. The Inorganic Material segment offers ceramics, graphite electrodes, fine ceramics and others. The Aluminum segment manufactures and sells high-grade foil for condenser, cylinder for laser beam printers, extruded and processed products, heat exchangers, beverage cans and others. The Others segment provides lithium ion battery material, construction materials and others.