Group of Companies

Using their expertise, KROENERT develops lines to meet your exact needs – all over the world. To keep all components of the entire system at the leading edge of technology requires continuous development and comprehensive expertise.


For more than 110 years the company has been firmly rooted in the mechanical engineering sector. At KROENERT in Hamburg, machines and lines for the laminating and coating of flexible substrates such as paper, cardboard, polymer films, metal foils and textile materials, are produced.

DRYTEC Trocknungs- und Befeuchtungstechnik GmbH & Co KG

DRYTEC has been specialist partners in the drying, humidification and UV curing of web materials since their founding in 1996. All KROENERT lines are fitted with DRYTEC equipment.

COATEMA Coating Machinery GmbH

COATEMA design and produce production lines for the fields of coating, printing and laminating – both for reel-to-reel applications of web-shaped substrates as for arc coating. The company has been active for over 40 years in markets like textile, film and paper coating offering pilot and production lines in these fields.

ZAE-AntriebsSysteme GmbH & Co KG

Besides KROENERT, the sister company, ZAE, is located on the Hamburg premises. This producer of top quality drives equips lines with standard drives and drive motors, complete drive units or individual drive solutions according to customer specifications. ZAE also manufactures precision components, like e.g. for the coating head, for KROENERT. 

ATH Altonaer-Technologie-Holding GmbH

ATH Altonaer-Technologie-Holding, Hamburg, is a management holding company. Since 2002 it unites four medium-sized mechanical engineering companies under one roof: KROENERT, Coatema, DRYTEC und ZAE. The companies of the group are active in the areas of coating, drying, humidifying and drive systems and they have evolved continuously - partly since over 100 years - by creating existing technologies as well as innovations. The shares of ATH Altonaer-Technologie-Holding GmbH are held by foundations.