Nordmann, Rassmann Handelsges.m.b.H.

Schünemann has been successfully active for more than 80 years with technical competence and experience in the areas of special valves, filters and filtration systems. Our products have high quality requirements and are partially used under extreme c

The Quarzwerke Group has been known and valued as a producer of mineral raw materials for over 140 years - a tradition of which we are proud. As an independent family business, we have always combined high-quality raw material deposits with modern an