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1922The company was established in 1922 in Duchcov Czechoslovakia by Hermann A. Hennlich. The first company operated as a wholesaler for mines and mills and other industries. It soon became the first factory for the manufacture of welding rods in Czechoslovakia. The company patented, for example, rods for welding cast iron, malleable iron and steel.
1945After 1945 Hermann A. Hennlich started a new business in Schärding in Austria. Hermann W. Zebisch, grandson of Hermann A. Hennlich, who still leads the company HENNLICH, became the successor to the company’s tradition.
1978The company HENNLICH & Zebisch GmbH, specializing in seals, was established.
1989In Austria the production of machine plastic components started.
1991After the changes in Eastern Europe in 1989 the company returned to Czechoslovakia. Pavel Sumera became a partner, at present he is the managing director of  HENNLICH-Industrietechnik. The company started a new production in 1991 in Litomerice, approximately 40 kilometres from the original seat before the Second World War.
1993The company HENNLICH-Ipartechnika Kft., Hungary was established.
1996HENNLICH-Industrietechnik was divided into branches.
1997HENNLICH-Industrijska technology in Radovljica, Slovenia was established.
1999Start of loading equipment production in Czech Republic.
2000HENNLICH d.o.o. in Zabrze, Poland was established.
2001HENNLICH-Industrietechnik Czech Republic moved to the new office area in Litomerice, Czech Republic.
2002The production of seals started in Kecskemet, Hungary and in Litomerice and Brno, Czech Republic.

HENNLICH d.o.o. in Zagreb, Croatia was established.

2004The stock and factory was built for “Highspeed-Seal Service Center“ in Suben near Schärding, Austria.
Certification of the company according to ISO14001 – environmental protection, Czech Republic.
The new building HENNLICH-Industrietechnik in Litomerice won an award as one of the most interesting building in Usti nad Labem Region.

HENNLICH-Industrietechnik in Plovdiv, Bulgaria and HENNLICH-Industrietechnik in Arad, Romania were established.


HENNLICH-Industrietechnik in Serbia and HENNLICH-Industrietechnik in Dněprodzerzinsk, Ukraina were established.
Hennlich became a certified supplier of Exxon Mobil, one of the largest companies in the world.

2007Expansion of storage and production space for seals in Suben near Schärding, Austria.
With the contribution of EU funds, the operation of training centre in Litomerice, Czech Republic, started.
2009HENNLICH-Industrietechnik in Minsk, Belarus was established. The company installed the longest floating power supply in the world in Tusimice – power station (CEZ).
Operational Programme Enterprise and Innovation supported an extension of original spaces of the company in Litomerice. This program gets funding from the European Union.
2010HENNLICH-Industrietechnik prepared to enter the Chinese and Indian markets. 
The office in Moscow for customers on the Russian market was opened.
HENNLICH-Industrietechnik started the construction of new spaces for 120 million. It was supported by EU funds. 
HENNLICH Engineering won a prize for the application of the longest power chain in the world -  Vector Awards at International Engineering Fair in Hannover.
2011The HENNLICH group founded a subsidiary in Macedonia and France. And so France is now the 14th country where the group operates.
The company HENNLICH-Industrietechnik also started to supply energy-saving and ecological solutions for the power generation and distribution industry. For this reason it founded the division HENNLICH Energy.
With the support of European funds, the company HENNLICH-Industrietechnik started a project for the education of its employees.
2012In 2012 the company HENNLICH celebrated the 90th anniversary of the foundation of the original company H. A. Hennlich in the northern Czech town of Duchcov – more on special page.
Change of the name of the company from HENNLICH-Industrietechnik spol s.r.o. to HENNLICH s.r.o.
2013Opening of the first HENNLICH regional branch in Yekaterinburg (RU).
2014Start of HENNLICH GmbH in Cordast, Switzerland
Establishing the HENNLICH - Cooling-Technologies GmbH, Austria.
2015 Establishing the HENNLICH-HCT GmbH Germany, storage and Cooling-Technology.
2016Relaunch of the new HENNLICH-Website for all 22 HENNLICH-companies
2018HENNLICH celebrated their 25 year anniversary in Hungary
2018HENNLICH Austria has grown to over 100 employees
2019HENNLICH employed more than 800 employees for the first time
2019HENNLICH celebrated their 10 year anniversary in Belarus
2020HENNLICH Poland extended the company buildings to keep up with the required space
2020HENNLICH Romania moved to a newly aquired headquarter
2021HENNLICH celebrated their 30 year anniversary in Czech Republic
2021HENNLICH celebrated their 15 year anniversary in Serbia
2021HENNLICH Austria starts building a new headquarter