Naturally fermented cider made only from local Asturian apples, selected by AACOMASI, the Asturian Association of Cider Apple Growers. The production process is checked and certified by ECA, the Certification and Quality Guarantee Organization, who ensure that the whole process has been followed through and is implemented according to the guidelines leading to the award of the ‘Naturally Fermented Quality Cider’ stamp of approval.