TOPAQ - Smart modular H2 Systems

Partner and Supplier for modular
Hydrogen Systems

Alternative drive systems make it possible to achieve zero-emission targets. But new technologies also bring new challenges. As a problem solver, we support you in mastering your challenges.

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for diverse

Hydrogen places special demands on materials and systems. Through agile development processes, we offer you exactly the solution for your particular application – both in mobility and in the stationary sector. Thanks to our holistic approach, “completely from one source”.

Our modular TOPAQ hydrogen supply systems enable the safe and efficient transfer of hydrogen from the tank to the fuel cell or the hydrogen engine. In this way, we contribute to sustainable mobility and industry.

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We combine a wide range of competencies within our group of companies. This creates an innovative strength that enables innovations to be developed across all locations.

For this we were awarded the TOP 100 seal in 2023 and can therefore call ourselves A top Innovator.


Since 1928, we have been developing and manufacturing technically sophisticated metal components and systems for a wide range of applications. We create quality, reliability, and safety with the highest precision. This is our promise to our customers and also the standard we set for ourselves.

With courage and openness to technology, we drive innovations forward every day to find customized solutions for our customers and improve development and series production. Our portfolio includes precision steel tubes, common rails, pipes, precision turned parts and couplings as well as specially developed test benches or autofrettage systems.

As a group of companies, we learn from and with each other, bring together different competencies, and develop in a sustainable way – also with regard to our environment.


As an experienced Tier 1 supplier to the automotive industry, we develop modular hydrogen supply systems. When doing so, we manufacture all key components in the system for safe and efficient transfer of hydrogen from the tank to the fuel cell or the hydrogen engine.

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TOPAQ is a trademark of Poppe + Potthoff

Get in contact:

+49 5203 9166 - 0