Carrefour recognised 6 French SMEs at 4th SME and Innovation Trade Show   Boulogne-Billancourt, France, 2017-May-15 — /EPR Retail News/ — For the 4th SME and Innovation Trade Show, Carrefour awarded prizes on Wednesday 10 May to 6 French SMEs in recognition of their products – products which combine innovation and social and environmental responsibility.  The day…