Through development and production, DN ensures the best quality and reliability in supplying anti-vibration products for the world’s biggest railway manufacturers.
For over fifty years, DN expertise has produced elastic rubber-metal systems for train and tramway OEMs that reduce vibration, shock, and noise.
We produce primary (Eligo springs, Chevron springs, Conic springs) and secondary suspensions (Torpress Springs, R-Type springs, RS-Type Springs),
spherical bushings, sliding bushings, elastic joints, and lateral bumpers.

Through sophisticated computing systems, DN offers engineering development of components that meet the most demanding customer requirements.
Starting from the in-house design and production of rubber compounds, moulds, and metallic sub-components, through to the testing and marketing
of the finished product, DN’s production process is characterized by vertical integration.
This extends to in-line static and dynamic rate testing of every batch produced, to ensure the highest consistency in quality and reliability.
DN is constantly investing in research and development on new projects, ensuring high performing products in even the most critical applications.
Combining expertise with experience allows DN to be a leader in its field of competence, and assures the customer they are choosing the very best for their equipment.