A specialised company with the seal of qualityTÜV Hessen (Technical Inspection Agency for the German state of Hessen) has acknowledged the quality of our work. Our quality management has been certified to DIN EN ISO 9001:2008 and our environmental management has been certified to DIN EN ISO 14001:2009. Yearly audits demonstrate that we constantly act according to the prescribed standards and that our own quality standards adhere to these guidelines.As a recognised specialised company as per the German Water Resources Act (WHG), we are authorised to carry out work on systems using liquids that could be hazardous to the water supply.