Optimizing perceived quality is our core business.

We have defined the following 4 mainstays:

  • Quality is defined as the degree of conformance with requirements ("Quality is conformance to requirements")
  • Prevention is the fundamental principle of quality planning
  • Zero error principle must become the standard
  • Quality cost is the cost of non-conformance with requirements …

After Philip B. Crosby


Ziegler Instruments GmbH is an approved supplier to the international automotive industry. Obtaining and holding all required certifications, accreditations and permits for the customer’s benefit is a matter of course for us.

Quality Management

  • ISO 9001
  • VDA 6.4
Downloads related to the topic:
File Description Date added File size
pdfISO 9001 2008 Certificate
6.11.2015 13:03 78 KB
pdfVDA 6 Part 4 Certificate supplement
6.11.2015 13:03 93 KB