Headquartered in Bucharest, Walter Tosto WTB is recognized as one of the biggest manufacturers in Europe and leading worldwide supplier of critical and long lead process equipment such as Reactors, Separators, Heat Exchangers, Large columns & Heavy drums, Coke drums, Waste Heat Boilers, Condensers, Urea/Ammonia/Methanol Process Equipment for Refineries, Fertilizer Plants, Chemical and Petrochemical Plants, Nuclear and Power Plants.