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Graindecafe is primarily about the Bonnac family's story; a family of passionate small traders and roasters who have worked with their hands on coffee for more than a century. The Bonnacs, who have been residing in Riom, which is located in the center of Puy-de-Dôme since the 1900s, started out as content managers of a delicatessen on rue du Commerce before beginning artisanal roasting in the back shop. Of their store at the beginning of the 1920s. The narrative has never stopped since then. In the 1970s, the Bonnac family became the first food wholesalers in the region. Graindecafe supplied hotels and restaurants with fine products and developed their know-how, experimenting with different roasting methods, in order to provide their customers with exceptional coffees. This passion for coffee and good products was passed down through the family.