About ZWEZ

For more than 70 years in the field of products and processes for the metal surface treatment, ZWEZ has been a family-owned company which is operating under the slogan “chemistry on metal”. Always with a focus on the demands and changes in the market.

Guiding principle

The digital ZWEZ-Knowledge concept provides our employees and partners in their various locations with expert knowledge at the highest level. Be it “just in time” problem solutions or support with your new concepts, we respond quickly and precisely with a focus on economically and ecologically optimised results according to the latest findings. For our competence centre is always online and up-to-date every day.

This is our aspiration which we live up to on a daily basis.

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Certification according to the international rules is a deliberate commitment for ZWEZ:


DIN EN IS0 14001

are the benchmarks for the quality of the products and the entire company and thus shape the ZWEZ image.