1980 Opening of a production facility for flat gaskets as an ancillary production of a brickyard

 March 1990 closure of the department in the course of the fall of the Berlin Wall

 01.10.1990 purchase or privatisation of the company as a partnership

Bild2 • 01.01.1994 change of name to HAFF- Dichtungen GmbH

 • 1995 first major investment in conversion and expansion of the production facility

Bild1 • 1997 first certification according to DIN EN ISO 9001 : 2000

 2000 certification of gasket production according to VdTüv data sheet gasket 100 for the production of hand, head and manhole gaskets for ovale closures

 2005 second major investment for the expansion and upgrading of the company and modernization of the facilities

2008 / 2009 modernization of production and expansion of offices

Bild3 • 2013 construction of a new plant, consisting of administration building, production hall and warehause
 2017 - 2019 expansion of the location, production and offices