Zambello group is the first Italian company to have won the Reifenhäuser award for best supplier of the year

Zambello Group manufactures high quality gearboxes for Single screw extruders, Corotating twin screw extruders,
Counter-rotating twin screw extruders (parallel and conical), Injection moulding machines

A family company,

since 1957 made in Italy

Since 1957, the best at world level gearboxes entirely manufactured in Italy dedicated to extrusion fields
High technology and incomparable experience for products and services of absolute quality

Founded by Zevio Zambello – the father of Elio and Alessandro, current owners of the group – and has been involved from the beginning with designingand manufacturing of helical gearboxes of highest technology, activity that in recent decades has found its peculiar destination in the field of machinery for plastic materials and for the extrusion in general.


As a company that has always been committed to bringing relevant innovations and in constantly improving the value of its production, Zambello pays particular attention to the drawing and design phases of its gearboxes, where the relationship with partners and customers very often plays a decisive role.
For both the most important customized items and the standard products, Zambello has a team of widely experienced engineers that keeps in mind the customers’ needs and takes into consideration the information coming from the commercial offices.


In the history of Zambello group, the value of single persons assumes a fundamental importance.
The aim for innovation and technical development in all steps of the manufacturing process has been accompanied over the years by the importance of training of all employees, especially of those who are in direct contact with the customers.
As the consulting is considered the other side of the sales, Zambello considers this service of strategic importance. Specific technical knowledge, friendliness, seriousness and the availability to listen to the customer are the great assets that enable the company to offer useful indications and suggestions in the interest of our business partners.


All the components of the gearboxes are manufactured in the factories of the group. For this reason, Zambello is in the position to ensure to the customers a highly qualified assistance, both in terms of precision and readiness and punctuality. The new automatic warehouse has tens of thousands of components that are always ready for use and can be shipped anywhere in the world.