Celanese is a global chemical and specialty materials company. It operates through the following segments: Engineered Materials, Acetate Tow, and Acetyl Chain. The Engineered Materials segment develops, produces, and supplies a portfolio of high-performance specialty polymers for automotive and medical applications, as well as industrial products and consumer electronics. The Acetate Tow segment produces acetate tow and acetate flake, primarily used in filter products applications. The Acetyl Chain segment produces and supplies acetyl products, including acetic acid, vinyl acetate monomer, acetic anhydride, and acetate esters. This segment also offers organic solvents and intermediates for pharmaceutical, agricultural and chemical products.