From the foundation of the company, the family De Muller were specialised with the elaboration of the altar wine, following the ecclesiastical standards with the collaboration of an exert of the matter, Father Eduard Vitòria, a Jesuit, chemistry doctor and the founder of the chemical institute of Sarrià. Since the, De Muller SA, elaborates with love and professionalism their altar wines, following strictly the prescriptions of the Holy Roman Congregation of the Divine orship and of the Sacramental Discipline. De Muller SA guarantees the liturgial purity of our Altar wines, proved by the several pontifical titles awarded and by the confidence the church has extended for us throughout the fice continents, being consumed all around the Christian world. Our Altar wines, goes with an ecclesiastical certificate from the Tarragona Archbishops, a certificate that ther have been giving to us since 1883. This ecclesiastical certificate is a moral guaranty of honesty and confidence.