History
| 1953 | AUCH established by Friedrich Auch |
| 1978 | Change to Limited enterprise (Ltd.) |
| 1980 | Wolfgang Hammel becomes Managing Director |
| 1986 | Construction of a new plant |
| 1993 | Subsidiary (PDF Frankenhain) founded |
| 1998 | Management buy-out (MBO) by Uli Fahrion and Ernst Zuefle |
| 2001 | Expansion of production area (16,000 sq ft) |
| 2016 | Establishment of an new building (16,000 sq ft) |