About us

For Information and questions we are at your disposal. Our opening times are  Monday-Friday from 8.00 h  to 16.30 h.

They find us here:

RTZ Köln GmbH
Gottfried-Hagen-Str. 60-62
51105 Köln

Phone: +49(0)221 839 11 1-0
E-Mail: kontakt@rtz.de

Don’t hesitate to contact us!