Wetrok specialises in innovative and professional cleaning systems and solutions. Diethelm Keller Aviation is a manufacturer of food service equipment for the airline industry. Both companies are strong in their respective market segments, and present in seven countries with more than 340 employees.
For further information on the brands, please click on the logos below:
Board of Directors
Andreas W. Keller, Chairman
Adrian T. Keller
Angelo C. van Tol