Efficient management systems are prerequisite for controlling and sustainably improving business processes. They ensure stable processes, consistently high product quality and long-term success.


Environmental management

Our production companies are certified according to the ISO 14001 environmental management system. New or acquired companies are certified within 3 years. At present, approx. 90% of the production sites have been certified.

Occupational safety and health protection management

Our production sites have a management system certified to OHSAS 18001 for occupational safety and health protection. New or acquired companies are to be certified within 3 years. Over 80% of employees at production sites work in an OHSAS 18001-certified company.

Quality management

The quality management systems at all production companies and many sales companies are certified according to ISO 9001. About 95% of all staff work in quality-certified companies.