Here are some images where appears the Hohner factory in German (2009-2010).
You can see the handmade construction of the Hohner Piano 36. Good times !!
https://drive.google.com/folderview?id=0B1I4WRon9blLfkF0VGRHejFGblBZaGQxVy1seHpHOUM3QV9xNF9wc1Y1bXU2eVRqQkRKSWc&usp=sharing