General information about OT-Kumi Oy

 Tehdas OT - Kumi Oy is a private company. It was founded in 1989 and started with one production line producing EPDM rubber profiles. Since then the company’s product portfolio has progressively expanded to a variety of materials, catering for the increasingly specialised needs of our customers.

During its lifetime, our factory has undergone two major enlargements to cater for the increased demand for our products and enable us to expand our product portfolio. Currently, our factory is about 2500 square meters in size. OT-Kumi is one of the key players in the Northern European and Baltic markets with 16 employees and continuing growth, especially in exports.


The company’s advanced production facilities enable us to develop and offer sealing profiles specifically tailored to suit our customer needs, in the quantities needed.

Yet, we also offer a variety of standardised profiles which are stocked and ready for delivery for our customer’s convenience.



Our main market is Finland, where we are the supplier of many of the leading enterprises in their respective industries. Our main clients sectors are companies in metal, vehicle and building industries.

Our main export countries are Russia, Estonia, Lithuania and Norway. Our strategy is to increase our presence in these markets in order to response to the demand for our goods. We have a dedicated international sales team who will be happy to help with queries also to other countries.

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


Brochures and files

Here’s our catalogue in PDF format which you can browse through your internet browse if you have installed PDF Viewer plug-in. You can also download the catalogue into your computer by clicking the link with mouse-right button and choosing Save to... -option from menu.


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