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Stephan Grube

Area Manager
stephan.grube@cirkel.de
+49 172 5387782

Michael Rygas

Area Manager
michael.rygas@cirkel.de
+49 172 5387784

Birol Bostan

Area Manager
birol.bostan@cirkel.de
+49 172 9677022

Ralf Schnieders

Area Manager
ralf.schnieders@cirkel.de
+49 151 11442143

Jan Schneider

Area Manager
jan.schneider@cirkel.de
+49 172 9387783

Wolfgang Nett

Area Manager
wolfgang.nett@cirkel.de
+49 172 5387785
We are Customer-focused
and focus on collaborative partnerships
We are Mid-sized
and operate as a family business with flexibility and a long-term perspective
We are Accountable
and act for the common goal
We are Value-creating
and refine regional raw materials into sophisticated products
We are Innovative
and leverage our many years of expertise with lime,
Sand and water for a wide range of applications