ERNST company building

ERNST is serious
about premium quality.

Making promises is not enough. To be credible, one must also keep them. ERNST takes its commitment seriously: it does its best every day to manufacture premium-quality products. All of the company’s activities are directed towards this goal. Premium quality is the guideline for planning and action at ERNST. Insistence on comprehensive quality is what has made ERNST a leader in innovative emission control technology – since 1919.




TÜV Rheinland

“It’s not enough to possess knowledge; one must also apply it.
It’s not enough to have the will; one must also act.”

Johann Wolfgang von Goethe