DMG's three golden rules:
Quality. Quality. Quality.

DMG has stood for high-quality dental materials for over 40 years. Our claim: to combine best quality materials with maximum practical benefit. Therefore we are continually researching, developing and manufacturing at our plants in Hamburg.

An important principle in this: We retain all processes in-house, under one roof; from R&D, production and packing, to sales and product management.

Regular controls at every stage ensure DMG's consistently high quality, which is confirmed time and time again by independent international test institutes.

Source: http://www.dmg-dental.com/en/aboutus/1/Grundsaetze.html