Schiefergruben MAGOG GmbH & Co. KG is the only joint slatemine in North Rhine-Westphalia, sets market trends in numerous fields:

• Underground production using non-rail technology
• Brand service
• Staff qualification schemes
• Use of computer-controlled marketing information systems (CAS)
• Guarantees backed up by the "Zentralverband des Deutschen Dachdeckerhandwerks" (Central Association of the German Roofing Trade, German abbreviation: ZVDH)
• Certification to EN ISO 9001:2000
• innovatively actively

But see more for yourself about this out-of-the-ordinary company and its highly versatile product.