Managing Director
Karl-Günter Diederichs
Graduate engineer Graduate in business administration Phone: +49 (0) 2253-311-160
Marc Schmitz
Graduate in commercePhone: +49 (0) 2253-311-120mschmitz@hammerwerk-erft.de
Secretariat
Ingelore Keßel
Phone: +49 (0) 2253-311-160 ikessel@hammerwerk-erft.de