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DONIT® – A True Partner for your Success

DONIT TESNIT is one of the leading gasket, gasket sheet and sealing solution providers. We offer the best solutions for all of your sealing challenges. This is achieved through an understanding of our customers’ needs, our high quality products, extensive know-how in application engineering and customer driven innovation. We are a true partner for your success.

What makes us different is our genuine interest in what our customers really need. We strive for a deep understanding of each and every customer; no matter what their size. A customer's sealing problem is our challenge. It drives us to find the best products, solutions and applications. Our customers are our partners; we are proactive and committed towards building long-term partnerships. Commitment, extensive experience and knowledge across a variety of industries help us to achieve that. Our wide range of high quality products and services make us a one-stop shop for our customers' diverse needs.

Our customer centric approach is based on strong R&D, and is supported by four pillars:

  • Experienced production in the EU
  • Quality and safety assurance
  • Application engineering
  • Training

Certified quality

Quality and care for the environment is embedded in both our minds and our organisation. We are certified by the international standards ISO 9001 and 14001.

Excellent application engineering

We have experience in even the most demanding of industries from chemical and oil through to automotive and food.

Training for our customers

The DONIT TESNIT Authorised Training Centre delivers intensive, interactive and case study driven education programs to our customers. This training provides the detailed knowledge utilised in the selection of the optimum gasket.

To better adapt to the needs of the market and thus achieve greater customer intimacy, we decided to divide our business in two divisions: DONIT® Gasket Sheets and DONIT® Industrial Sealing Solutions (for gaskets and solutions). This enables us to offer complete range of sealing products and solution and at the same time better fulfilment of different customer needs and better adaptability to market demands.

DONIT Gasket Sheets


DONIT® Gasket Sheets is a DONIT TESNIT division that produces high quality gasket sheets, certified by renowned industry standards. At DONIT® Gasket sheets, we are focused on superior customer knowledge, on providing reliable and optimal solutions, on innovation and on excellent application engineering.

DONIT Industrial Sealing Solutions


DONIT® Industrial Sealing Solutions is a DONIT TESNIT division with a complete portfolio of solutions, with local and international support. At DONIT® Industrial Sealing Solutions we are focused towards superior customer intimacy / knowledge and toward making our clients' business easier.

Customer care

We are committed to building a genuine, open and reliable partnership with all of our customers that will make your everyday business easier. Our customers have direct access to their personal sales representatives with engineering backgrounds and when necessary our technical experts.

Contact information:

Cesta Komandanta Staneta 38
1215 Medvode
General contact:
+386 (0)1 582 33 00
+386 (0)1 582 32 06
+386 (0)1 582 32 08
Web: www.donit.eu
E-mail: info@donit.eu

Technical service contact:
E-mail: tsr@donit.eu