45 years product innovation






In 1972 Mr. Dieter Kolthoff established his first company in the North of Germany. Since then, innovative and high-quality grinding wheels are manufactured.

The product range was continuously supplemented in the course of the years. Today we are able to offer a wide range of supporting plates made of plastic, polyurethane and rubber, as well as a wide range of polishing equipment.

Since 1996 we manufacture our products in Bulgaria. On a production area of about 7000 square meters 80 employees produce high-quality products, which are sold worldwide.

For the administrative management Koltec Technologies GmbH in Switzerland is responsible. We are happy to provide advice and assistance for you.

If you do not find anything in our comprehensive range: just  ask us! Thanks to our broad-based production facilities and an own tool design, we are able to realize almost all special products and constructions.