Celanese is a chemical and specialty materials company. It operates in two segments: Engineered Materials and Acetyl Chain. The Engineered Materials segment offers nylon compounds and formulations, liquid crystal polymers, thermoplastic vulcanizates, ethylene acrylic elastomers, etc. The Acetyl Chain segment produces and supplies acetyl products, including acetic acid, VAM, acetic anhydride, and acetate esters. The company serves aerospace, agriculture, automotive and transportation, energy, medical, and other industries.