General information about OT-Kumi Oy

 Tehdas OT-Kumi Ltd is a privately owned sealing profile manufacturer based in Finland. Established for nearly 30 years ago they have serviced industry, supplying full range of sealing profiles from all the major elastomer types, EPDM, NBR, TPE, Silicone, etc.

OT-Kumi is one of the key players in the Northern European and Baltic markets continuing growth, especially in exports.

Product Catalog (click here)

Here's for download, in PDF-format, our Company brochure and Product Catalog.


OT-Kumi's main markets are Scandinavia, Russia, and Baltics. In these markets the strategy is to grow and strengthen presence through carefully selected distribution parteners in order to find right customers, and to response to their demand. OT-Kumi is actively exploring other markets and countries, and is looking constantly new distribution partners from these areas. If you are in the industry field, and are interested in partnering please do not hesitate to contact at sales[ät]ot-kumi.com.

How does OT-Kumi differentiate from competition?

OT-Kumi's core competences include advanced, flexible and agile high volume production, its machinery, and trained skilful personnel. All this enables quick feedback on customer requests, tooling development (days to max 2 weeks), and fast production of sealing profiles to meet customer requirements in delivery, quality and quantity respect. Although OT-Kumi aims high volume production orders they accepts small volume orders with short lead times. OT-Kumi also offers a wide variety of standardised profiles which are stocked and ready for delivery to customer demand.

OT-Kumi’s promise:

  • We use in our production high quality and tested materials
  • We ensure a quick and friendly response to inquiries from our customers
  • We deliver products according customer needs
  • We are dedicated to develop products tailored to our customer’s needs and quality specifications
  • We are reliable partner

Retailers and distribution:  Tiivisteet

Helaman LTD
Str.Storojevoy Bashni, 17

Other countries please contact us at sales[ät]ot-kumi.com.

OT-Kumi Lieksentie 8, 91100 Ii, Finland | tel. +358 8 655 8800 | fax +358 8 817 4123 | Copyright © OT-Kumi OY. All rights Reserved. Desing by