Denka Seiken is a company that specializes in the production and distribution of various chemical products, including fertilizers and organic chemicals. The company has a history dating back to 1915 when it was founded as a carbide factory and later expanded into the fields of petrochemicals and functional chemicals. Denka Seiken has been actively involved in research and development, focusing on innovative materials for industries such as electronics and energy. Additionally, the company has diversified its core businesses to include functional resins, resin processing products, electronic and functional materials, and special blending materials.