At the "Autobahnkreuz Bayerisches Vogtland" take the A72.
Take the exit Hartenstein and turn right to Lichtenstein.
In Lichtenstein follow directions to Glauchau. At the end of Lichtenstein turn (right toward the Shell petrol filling station) into the "Gewerbegebiet am Auersberg".
After 250 m the Kastanienstraße will show up on the right.