BorsodChem is a Hungary-based chemical manufacturer and a subsidiary of Wanhua Chemical Group. Headquartered in Kazincbarcika, it operates large integrated facilities and has additional operations in the Czech Republic. The company produces core raw materials for the polyurethane industry, notably methylene diphenyl diisocyanate (MDI) and toluene diisocyanate (TDI).
Its production is supported by upstream units for chlor-alkali (chlorine and caustic soda), aniline, nitrobenzene, nitric acid, and related intermediates, enabling a high degree of vertical integration. BorsodChem supplies customers across Europe and other regions, serving applications such as insulation, automotive components, furniture and bedding foams, coatings, adhesives, and elastomers.