Reliability of an expert.

Koja designs a solution that fits your process like a glove. Individually optimised solutions ensure functionality at all times. You can trust the service of our professionals, beginning with product design, throughout the whole life cycle. We excel in demanding situations.

Koja's management system has ISO 9001, ISO 14001 and OHSAS 18001 certificates. Furthermore, our welding system has ISO 3834 certificate.

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We understand your processes.

Koja offers reliable and effective solutions for demanding industry applications. Our reliable process fans are energy-efficient.

There are more than 20,000 of our fans operating around the globe. Tailored fan solutions are used continuously in pulp, paper, energy, metal, glass, environment and petrochemical industry as well as ships. We continue to develop our product family for future purposes.


Fans for various applications since 1935

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