Leading company in emissions technology
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Our products
We guarantee customer-specific product development on the basis of automobile standards (PEP), tailored to specific requirement profiles. Our own catalysis laboratory with synthetic gas test bench enables simple technology screening.
HJS Technologies
Technology is the science which directs the processing of raw materials or knowledge of the crafts, the production processes and the technical products.

What constitutes us
Environment and health protection has a fixed place in our guiding principles in the ethical concepts of our company, and is also the motivation for our actions. We at HJS Emission Technology, with headquarters in Menden in Sauerland, are a leading provider of exhaust gas technology. For more than 40 years, we have taken responsibility for the future of our company.
Innovation right from the beginning.
The thought that we can make the world a little cleaner with our products motivates us. We ensure at all times that our products also do what our customers expect.