A consistently high level of quality is both the stimulus and prerequisite for all our entrepreneurial thinking and action.
To help maintain this standard of quality, we are certificated in accordance with DIN EN ISO 9001.
EN ISO 9001:2015
We have introduced an energy management system to help conserve energy resources; this system was certified in accordance with DIN EN ISO 50001 in 2016.
DIN EN ISO 50001 HAPU STAHL