Covestro AG supplies high-tech polymer materials and related application solutions. It operates in two segments, Performance Materials, and Solutions & Specialties. The Performance Materials segment develops, produces, and supplies high-performance materials, such as polyurethanes and polycarbonates, and base chemicals, which include diphenylmethane diisocyanate (MDI), toluylene diisocyanate, long-chain polyols, and polycarbonate resins for use in furniture and wood processing, construction, automotive, and transportation industries, as well as roof structures, insulation for buildings and refrigerators, mattresses, car seats, and other applications. The Solutions & Specialties segment comprises a range of polymer products, including polycarbonates, precursors for coatings and adhesives, MDI specialties and polyols, thermoplastic polyurethanes, specialty films, and elastomers that are used in automotive and transportation, electrical, electronics and household appliances, construction, and healthcare industries, as well as composite resins for wind turbine rotor blades, laptop cases, and floodlights. The company markets its products through trading houses and distributors. It operates in Europe, the Middle East, Africa, Latin America, the United States, Canada, and the People's Republic of China. The company was founded in 1863 and is headquartered in Leverkusen, Germany.