Dürrenäsch | Switzerland Bertschi AG Hutmattstrasse 22 5724 Dürrenäsch Switzerland 47.3191803, 8.1563269 Hutmattstrasse 22 5724 Dürrenäsch Switzerland +41 62 767 67 00 Phone Number +41 62 767 68 00 Fax Number www.bertschi.com Website