The company was founded in 1957 by Zevio ZAMBELLO – the father of Elio and Alessandro, today’s owners of the company group - and has been involved from the beginning with designing and manufacturing of reduction gearboxes of highest technology. This range in the last decades has gained a prominent position in the field of machinery for plastic materials and for the extrusion in general. Due to the company’s industrial politics inspired by quality criteria and to important investments over the years as well as to elevated industrial and commercial developments, which have enabled a considerable