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Diarex Group

Diarex Group

GranQuartz is a proud member of the Diarex Group, a global group of trading companies specializing in developing innovative and cost-effective product solutions for the global stone working community.

The Diarex® Group is comprised of five companies located in Germany, Australia, USA and Canada. The individual companies, J. König, G. Schmieder, CDK Stone, GranQuartz USA, GranQuartz Canada, are the recognized leaders in supplying stone working tools and machinery for natural and engineered stone in their respective countries.

The Diarex® Group employs nearly 400 people including over 75 outside sales people and technical specialists. The Group shares resources to research and develop products for the stone industry, ultimately resulting in the industry's finest products at the most competitive prices.

The Diarex® Group maintains substantial inventories in all of its locations throughout the world, investing in the latest logistics technology and computer software to provide unparalled customer service.

Diarex Group Companies