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WOLFF & MÜLLER Quarzsande GmbH employs around 80 staff in the production of high-quality industrial minerals and has over 100 million tonnes of its own reserves.
We extract silica sand and quartz gravel, gravel and sand at numerous locations in Germany as well as the industrial mineral vermiculite in Bulgaria.
WOLFF & MÜLLER Quarzsande GmbH – decades of experience in developing, extracting and processing mineral raw materials.
The quality of our products and services for various industries is also reflected in our long-term customer relationships.
E as in effective, C as in collaborative and I as in innovative. Our E.C.I principle defines the fundamental conditions and values that we use to guide our actions every single day.