Contact Us

Here you will find our address and directions for our headquarters in Wuppertal (Thielenhaus Microfinish, Koellmann Gear and Koellman Airtec). For the addresses of our other branches please click here.


Some navigation systems provide incorrect directions or recommend a wrong motorway exit. Alternatively, enter the house number 45 and follow on arrival the large sign on the left side or opposite. Please also make sure that you only use the exit Nr, 34, "Wuppertal-Elberfeld".

GPS coordinates:
Latitude: 51.2693589 Longitude: 7.161914700000011

From Düsseldorf or Dortmund on the A 46:
Take the exit Wuppertal-Elberfeld (No. 34). From the direction of Düsseldorf turn right, from Dortmund turn left (over the bridge). Immediately after the exit turn left, then turn left at the first traffic light and stay in the left lane. At the traffic light, turn left again into the Schwesterstraße and follow the street for about 300 meters until the first right-hand bend. Directly in the right-hand bend, you will see the driveway to Thielenhaus Technologies on the left.