Initially starting as a subsidiary of Wanhua Group Corporation, Wanhua Chemical Group expanded beyond its initial assets and is now one of the world's leading manufacturers of methylene diphenyl diisocyanate (MDI) and the largest supplier of toluene diisocyanate (TDI) in Europe. The company's main business segments include polyurethane, petrochemicals, performance solutions, and special chemicals, with a focus on R&D, production, and sales of PU series products, petrochemical products, water-based coatings, and specialty chemicals.