Driving from Dortmund take A45 motorway direction Frankfurt, pass Olpe crossing. Driving from Frankfurt take A45 motorway direction Dortmund.
- Leave motorway at exit Wilnsdorf.
- Follow the signs direction Betzdorf.
- You will pass the towns Neunkirchen and Herdorf.
- At the end of Herdorf town, in a sharp right turn, take the road "Kupferhütte" on the left side.
- At the end of the road you will find the company HL-Hydraulik GmbH on the left.