| 1943 |
Founded by Christian Linhardt in Viechtach |
 |
| 1947 |
The Hambrücken plant begins production. |
 |
| 1982 |
New plant in Viechtach/Schlatzendorf |
 |
| 1990 |
Building up of the tube plant in Pausa (Saxony) |
 |
| 1992 |
Acquisition of the company Tubettificio Tubex, Milan
(serving today as a sales office) |
 |
| 2000 |
New "Clean Factory" plant in Viechtach |
 |
| 2005 |
Establishment of the Aluminium and
Plastic Competence Centres |