About us
WOLFF & MÜLLER Quarzsande is your efficient and reliable partner for high-quality mineral raw materials. With several rich deposits of quartz sand and gravel as well as sand and gravel in Germany and over 100 years of production experience, we offer high-quality products that we refine for you in a sector-specific manner.
History
The history of WOLFF & MÜLLER Quarzsande began back in 1890, with the start of mining at our plant in Haida. Over the years, new plants were opened and other deposits were taken over. In order to meet the requirements of our customers, our plants have been continuously modernised and further processing facilities have been added.
quality
WOLFF & MÜLLER Quartzsande have been continuously certified according to DIN EN ISO 9001 in the quality management system since 1998. Production according to high quality standards is part of our daily business. This is the only way we are able to meet the high demands of our customers and deliver consistently high quality.
E.P.I. principle
The E.P.I. principle is the guiding principle for WOLFF & MÜLLER Quarzsande:
Effective - Partnership - Innovative.
Effective, to save time, reduce costs and increase quality. Partnership, because the best results can only be successfully realised in a team. Innovative, because we plan and produce today for your requirements of tomorrow.