Ardex GmbH is a manufacturer of special materials for the building trade with its place of business in Witten. It is operated as an independent family-owned business by Mark Eslamlooy, director of the management board, Dr. Rüdiger Oberste-Padtberg and Dr. Ulrich Dahlhoff. In 2013, the Ardex Group made a turnover of €510 million with 2,020 staff...