WE PRODUCE IN LINE WITH QUALITY STANDARDS. CERTIFIED FOR 20 YEARS
The quality of our products is based on the current outstanding raw material deposits, modern and efficient processing technology as well as external and internal quality management. We produce standard products as well as customised mixtures for every industry based on our production standards and our long-term experience.
PRODUCTION PROCESS
The latest extraction technologies are used to produce high-quality silica sands as well as sands and gravels, which can be delivered according to your individual requests.
QUALITY MANAGEMENT
WOLFF & MÜLLER Quarzsande GmbH has been continuously certified in line with DIN EN ISO 9001 since 1998, and in line with DIN EN ISO 50001 since 2014.