Arpechim Refinery was one of the largest Romanian refineries and one of the largest in Europe, located in Piteşti, Argeş County, and had both refining and petrochemical capacities. The refinery has two processing modules with a nominal capacity of 6.5 million tonnes/year. Now only one of the two modules is operating with a capacity of 3.5 million tonnes/year or 70,000 bbl/d (11,000 m3/d).