Quality management

Quality policy

Customer orientation, continuous improvement, responsibility for resources and the aptness of the QM system are the four equal pillars of our quality policy.

Customer orientation: Define quality together with the customer and work purposefully to fulfil the agreed objectives – React reliably in case of deviations – Be guided by the model of an honourable businessman.

Continuous improvement: Plan ahead for demands which will arise in the future – Be ready to question the status quo (even if things are apparently functioning well) – Cultivate fruitful dialogue on new ideas.

Responsibility for resources: Intergenerational equity as the measure – Contribute actively within the framework of one’s own possibilities – Scarcity as the inspiration for more intelligent solutions –  Identify cross-system influences and work cooperatively.

Aptness of the QM system: The QM system serves people, not vice versa – As simple as possible, as detailed as necessary – The greatest risk for the quality capability of an organisation lies in the blinkered concentration on superficial conformity – Structure and a systematic approach create a space in which intuition and imaginativeness can unfold.


Since 2014, it is only permissible to bring load-bearing steel components onto the market in the EU if they possess a CE marking, which serves as confirmation of conformity with the stipulations of DIN EN 1090. Conformity with the standard is demonstrated by way of in-house production monitoring. The underlying procedures must be certified by an independent accredited inspection body.

In the case of supporting structures made of steel, four execution classes (EXC 1 to EXC 4) are distinguished: While EXC 1 applies to structural components of lesser thickness for smaller spans and primarily static loads, EXC 3 includes also bridges, moving structures, towers and crane tracks, etc. The highest class EXC 4 is reserved for components which entail extreme consequences in case of failure, e.g. components for use in nuclear power plants.