History

2020

DONIT founded a subsidiary in Germany

DONIT founded a subsidiary in Germany

2015

DONIT established a subsidiary in U.S.A.

DONIT established a subsidiary in U.S.A.

2014

DONIT launched operations in India

DONIT launched operations in India

2013

DONIT acquired Belgian DISS Europe

DONIT TESNIT and DISSeurope joined forces to strengthen their competitive position on the international static sealing market. Synergies were achieved from combining knowledge and experience in application engineering of both partners, from direct access to all DONIT materials and services and direct access to markets.

2012

DONIT established a subsidiary in China

DONIT established a subsidiary in China

2008

MSIN aquired DONIT TESNIT

The Slovenian private equity firm MSIN d.o.o. (Ltd.) aquired DONIT TESNIT with the long-term ambition to develop DONIT TESNIT to become one of the leading international brands for gasket sheets and industrial gasket solutions in the market of Static Sealings.

2001

Acquisition of TESNILA TIT

Due to the expansion of the production program DONIT TESNIT acquired the Trebnje-based TESNILA TIT company, which has been producing gaskets since 1975. The merger of both companies was completed in 2004, which provided an opportunity for new growth in the production of industrial gaskets.

2000

DONIT TESNIT halted asbestos production

DONIT TESNIT stopped using asbestos in gasket sheets production. Asbestos used to be one of widely used materials in gasketing industry due to its resistance to high temperatures, as well as excellent durability and flexibility. But because of its negative health impact many producers, DONIT TESTNIT among them, banned asbestos and replaced it with other materials.

1997

DONIT TESNIT was transformed into a joint-stock company

After ownership restructuring DONIT TESNIT was transformed into a joint-stock company.

1996

ISO 9001 certificate

DONIT TESNIT acquired the ISO 9001 certificate for its Quality Management System. 

1992

Restructuring the company

Due to business and financial problems as a result of severely adverse business conditions in the second half of 1992 DONIT restructured its activities to create several independent subsidiaries. 

1992

DONIT TESNIT d.o.o. was founded

DONIT TESNIT, a limited liability company (d.o.o.), was founded and started with independent business. 

1980

First gasketing material, based on synthetic aramide fibers

DONIT experts designed the first sheet of new gasketing material, based on synthetic aramide fibers thereby joining the world’s leading producers of sealing materials. High quality, continuous technological upgrades and care for people and the environment are elements which have become constant features at DONIT.

1948

Production expansion and technological development

DONIT quickly expanded its activities and production. The continuous technological development of new products, plus the focus on in-house development and on foreign markets were the elements that proved to be essential to the company’s rapid growth.

1947

Building of the first production unit

DONIT built its first production unit at the present site in Medvode, concluded the first co-operative contract with the Tovarna Avtomobilov Maribor vehicle plant, and exported its first consignment of sealing products. 

1946

DONIT Sealant Factory was established (as TESNILKA MEDVODE)

In 1946 the founder of DONIT Edo Bregar-Don joined forces with a handful of his peers, and using a rather primitive method based on a pre-World War One process succeeded in manufacturing the first 38 tons of sealing sheets.