Kompromisslos hohe Qualität

Quality without compromise

Quality means we will deliver your products and services according to your requirements, within the agreed-upon deadline and at an outstanding cost-performance ratio. Furthermore, to us, the definition of quality also includes friendly, proper and expertise cooperation with internal and external partners.

Environmental protection and occupational safety and health

To us, quality also means protecting the environment and safeguarding the health and safety of our employees: we do a lot more than just follow the law when it comes to environmental protection and employee health.

Through our pro-active planning and in-process and routine testing and inspections, we are able to guarantee a consistent high standard of quality. Through constant further development of our services and processes, we will also be your capable partner well into the future.

CIP - Six Sigma - Muda

All our employees are deeply involved in the Continuous Improvement Process (CIP), which influences all of the company's production processes, services and business operations. Efficiency and effectiveness are our most critical goals. Using methods like Six Sigma, we seek to improve the quality of our process outputs by identifying and removing the causes of defects and minimizing variability in our processes. Avoiding waste (Muda) is one of our major goals. We are convinced that success is the sum of small changes.


A high level of efficiency and effectiveness is our goal — that is why we continuously further develop ourselves and our services.
It almost goes without saying that Zollner has earned every necessary certification: DIN EN ISO 9001, ISO/TS 16949, EN ISO 13485, EN 9100, Nadcap AC120, IRIS, EN ISO 14001, OHRIS, OHSAS 18001, ISO/IEC 27001 and US FDA-registered as a contract manufacturer, compliant with US Food & Drug Administration (FDA) Quality System Regulation (QSR) 21 CFR Part 820


Currently, in our three cleanrooms, we manufacture high-value power electronics under tightly-controlled conditions. We are your partner for system solutions, whatever your industry — flexible, competent, applying state-of-the-art technology.