Quality Guidelines

Quality is a given for us, as quality is the essential foundation for our success. On the market, quality is no longer a distinguishing feature, but rather is an essential prerequisite. Our customers expect that our products and services will be defect-free and reliable at all times.

Ensuring the quality of deliveries

The quality of our products is significantly influenced by the quality standards of our suppliers. That is why, alongside a quality management system, we also call on our suppliers to take effective measures to ensure the quality of products and processes.


File inspection characteristics and inspection quantities of drawing related parts
pdf, 416 KB
Inspection characteristics and inspection quantities
Document for the definition of inspection characteristics and inspection quantities from drawing-based production parts.
File Part marking with manufacturing code
pdf, 643 KB
Part marking with manufacturing code
This document defines the part identifiers with manufacturing codes.
File painted surfaces quality
pdf, 991 KB
Painted surfaces quality
This document specifies the parameters and test conditions for wet painted and powder coated parts and assemblies.
File paint specification on drawings
pdf, 425 KB
Paint specification on drawings
Uniform indication of the paint finish on drawings executed according to UGG color concept.
File supplier request for deviation
pdf, 251 KB
Supplier request for deviation
With this form a special release can be requested for the delivery of components with deviation.