COATINGS     APPLICATIONS     SERVICES     COMPANY      Polishing    Standard-/special tools    Specials    Home    Contact    Imprint Hard and smooth If your tools need to be hardened, grinded, or plasma nitrided, we’ll be pleased to do the work for you. Together with our specialised partners we will convince you.    Dr.-Ing. Rainer Heyer Werkzeugtechnik GmbH - Barbara-McClintock-Str. 11 - D-12489 Berlin Fon: +49 (0) 30 / 63 92-51 90 - Fax: +49 (0) 30 / 63 92-51 99 - info@dr-heyer.com - www.dr-heyer.com