DOUAISIS PREMIUM has been designing and manufacturing rollers and pulleys for belt conveyors in France since 1909. Our products are recognized for their robustness, high-quality manufacturing, and durability by some of the most demanding users around the world, including those in mining, heavy industry, ports, and cement plants. In addition to our classic product range, DOUAISIS PREMIUM can design and produce custom products to meet the specific application constraints of our clients