At Tasso, generations of foundry experience, process control and innovative technology converge to supply high-quality grey iron and ductile iron castings that shape advancements in many key industrial sectors. We are proud to call ourselves cast iron bar specialists, based on our more than 160 years of foundry experience. We are pioneers in the cast iron bar manufacture process that started its commercial era more than half a century ago. Tasso is specialised in the entire process of manufacturing continuous cast iron bars, including casting, heat treatment and pre-machining.