- 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

- 01.01.1994 change of name to HAFF- Dichtungen GmbH

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

- 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 Awarded with the finalist "Großer Preis des Mittelstandes" of the Oskar-Patzelt foundation

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

- February 2006 Award with the Wirtschafts-Ueckerich by the city of Ueckermünde

- 2007 Winner of the "Großer Preis des Mittelstandes" award of the Oskar-Patzelt foundation

- 2008 / 2009 modernization of production and expansion of offices

- 2012 "Entrepreneur of the year in MV"

- 2012 "Entrepreneur Award of the East German Sparkasse and SUPERillu"

- 2013 construction of a new plant, consisting of administration building, production hall and warehause

- 2017 - 2019 expansion of the location, production and offices

HaffDichtungen 2