Chimcomplex S.A. Borzești is a Romanian chemical manufacturer and one of the region’s leading producers of polyols and chlor‑alkali products. Headquartered in Onești, it operates major industrial platforms at Onești (Borzești) and Râmnicu Vâlcea. The company expanded its footprint by acquiring key assets of Oltchim S.A. in 2018, consolidating capabilities in upstream and downstream chemical production.
Chimcomplex’s portfolio centers on polyether polyols used in flexible and rigid polyurethane foams, alongside chlor‑alkali and related derivatives such as caustic soda, chlorine, hydrochloric acid, and sodium hypochlorite. Its products serve applications in construction and insulation, furniture and bedding, automotive components, adhesives and coatings, packaging, and water treatment. The company supplies customers primarily across Central and Eastern Europe and integrates utilities and supporting services to its chemical operations.