Read more about innovations and products from NPR:

Maximum performance under high pressure – Cerrox ® as a power solution
Engineers face great challenges in the development of new engines. For example, a successful engine must be economical in fuel consumption, but at the same time should also deliver high performance. ...read more

Advantages and benefits of steel rings
In the past, primarily alloyed grey cast iron or nodular cast iron was used as piston ring material in petrol or diesel engines.
Today more and more steel is being used by engine designers. ...read more

PVD piston rings: Long service life – lower consumption
Due to the continuous development of the combustion engine, the thermal and mechanical stress on the component increases while at the same time the dimensions are reduced. The resulting demanding requirements must be met with innovative technologies. ...read more