The Groupe Roullier is an independent family-owned group that has been a committed international player for over 65 years. Driven by a collective energy, our 5 areas of activity (Food Industry, Agrosupply, Feed Phosphates, Magnesium, Packaging,) invent sustainable, high added value solutions that serve a shared ambition. And what are our strengths? All 10,400 of our employees embody our values daily: performance, a passion for entrepreneurship, ambition, perseverance, and innovation. To join us is to dare to make a difference, to take initiatives, to know how to transform constraints into opportunities and to put your talent at the service of a collective, a shared ambition: Exploring possibilities means we believe in the power of industry to make a significant contribution and offer high value-added solutions. Within the Groupe Roullier, **Magnesia**(900 p.) is an expert in the commercialization of magnesium products for the agricultural, industrial and environmental field...