Denka Co Ltd is a Japan-based company engaged in the manufacture and sale of electronic and advanced products, life innovation, elastomers and infrastructure solutions, and polymer solutions. The Company operates through four business segments. The Electronics & Advanced Products segment provides electronic packaging materials, fine ceramics, fused silica, acetylene black, electronic circuit boards, and industrial tapes. The Life Innovation segment provides vaccines, diagnostics, and oncology virus products. The Elastomers and Infrastructure Solutions segment provides chloroprene rubber, cement, specialty admixtures, fertilizers, carbide, refractories, and environmental materials. The Polymer Solutions segment offers tylene monomers, polystyrene resins, clearenes, heat-resistant and transparent resins, poval, yarn for synthetic wigs, and food packaging materials. The Company also operates plant engineering and trading businesses.