Interview with Klaus Foell and Harald Gieser, Directors at Isotek

Isotek is growing in the insulation market Isotek was established in 2003. The company, which was started from scratch, today employs 50 people, generating the...

byTransformers Magazine


Isotek is growing in the insulation market

Isotek was established in 2003. The company, which was started from scratch, today employs 50 people, generating the revenue of USD 11.5 million. To make a comparison with previous years, in 2014 we had 40 employees and the revenue of USD 10.3 million, while in 2013 we employed 25 people and earned the revenue of USD 8 million. Although we are a relatively young company, the experience in electrical insulation materials of many of our employees extends to 30 years or more, which well exceeds the company history. This makes the knowledge about materials and products the very strength recognized by our customers. In terms of business, there are a few things that we further developed which make us unique in the market, and also make pillars of our growth.

Fast delivery

In many cases, transformer manufacturers require insulating materials or components delivered in a very short time. This need can be a result of changes made to the design of a transformer, changes in customer requirements, or something else. While many insulation suppliers are not able to fulfil such requirements, Isotek’s ability to do so is what we are recognized for.

We are able to deliver our products within a couple of days. To illustrate, we have a contract with a transformer OEM with a guaranteed delivery time of 3 working days. As part of our business routine, we have already been delivering according to this contract for 5 years, so we can easily say that this is how we do business.

Companies performing transformer service often face a scenario where they are not able to order insulation materials in advance because they lack drawings of insulation parts of transformers under repair. When such situation arises, all they can do is open the transformer, measure the parts, and order the materials and components with the shortest possible delivery time. They can rely on us that they will get the needed products in a very short time.

In order to reach this level we have taken two critical steps: we work with world-class raw material suppliers with proven material quality, and we hold stocks worth more than USD 2 million, with all critical materials available. Of course, this has to be complemented with efficient processes managed by skilled people.

Flexibility

The variety of products that are used in modern transformers is exceptional. This variety results from the optimisation of the use of materials, which is a key driver for the optimisation of transformer losses and costs.

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