Carrefour partners with Aragon-based company Granja Virgen del Rosario for high-quality free-range eggs   Spain: a new Carrefour Quality Line for eggs Spain, 2017-Jun-02 — /EPR Retail News/ — Carrefour has just entered into a partnership with Aragon-based company Granja Virgen del Rosario to provide all Carrefour stores with eggs produced in compliance with consumers' expectations as far…