The companies Our services Specialized facilities Contact What are the so-called Sandach? Respect for the environment Consultation of current legislation residuosaragon@residuosaragon.com A group of companies with more than 40 years in the treatment and recovery of meat by-products. Since 1968, the year in which Grasas Mariano Diez began its activity, the group's activities have always been linked to the environment, providing at all times the most appropriate and agile solution to the needs of Aragon in the management of meat by-products. In 2000, Residuos Aragón was born within the group to offer a centralized solution to the problem of collection, treatment and recovery of " Sandach" meat by-products of the maximum categories 1 and 2. see more about the group and its activities Polígono El Pitarco, Parcela 2C, 50450 Muel (Zaragoza) © 2009 About us · Our services · Our facilities · Contact us · Legal conditions · Web map · Start