Manufacturing-Journal | 3 |Interview with Karsten Seehafer, Business Owner and Managing Direc-tor, Hanomag Heat Treatment Group.A Legacy Forged in ExcellenceCould you briefly present the history of Hanomag Heat Treatment Group and the key milestones that have shaped its development?The Hanomag Heat Treatment Group (Hanomag Lohnhärterei Gruppe) was founded in 1986 as a spin-off from Ha-nomag Maschinenbau AG in Hannover, Germany. Initially focusing on high-quality heat treatment services, the Group steadily developed into one of Germany’s foremost independent spe-cialists in this field.Over the years, we achieved several defining milestones. Our geographical expansion began with the establish-ment of additional facilities in Berlin, Wernigerode, Gevelsberg, Gommern, and other cities, giving us strong na-tional coverage. In 2015, we expanded beyond Germany by opening our first facility in Poland, followed by Austria in 2019, extending our footprint across Central Europe.The Group diversified further in 2021 with the founding of Hanomag Alumin-ium Solutions GmbH in Kassel and Bau-natal, created to serve the increasing de-mand for aluminium heat treatment and precision processing. Two years later, in 2023, we strengthened our position through the strategic acquisition of HTU Härtetechnik GmbH, expanding our ca-pacity and expertise.These developments, along with nearly four decades of continuous in-novation, have defined Hanomag as a trusted partner for industries demand-ing both technological depth and pro-duction reliability.Pioneering the Future of Thermal Processing and Industrial InnovationFor nearly four decades, Hanomag Heat Treatment Group has stood as a benchmark of preci-sion, reliability, and innovation in industrial heat treatment. From its origins as a spin-off from the renowned Hanomag Maschinenbau AG in Hannover, the Group has grown into one of Europe’s leading independent providers of advanced thermal and thermochemical processing services. Today, under the leadership of Karsten Seehafer, Business Owner and Managing Direc-tor, Hanomag continues to combine deep metallurgical expertise with cutting-edge technology, sustainability, and a forward-looking business philosophy.FACT BOXFULL NAME: GENERAL DIRECTOR: INDUSTRY: ESTABLISHED: EMPLOYEES: REVENUE: Hanomag Heat Treatment GroupKarsten SeehaferHeat Treatment and Mechanical Treatment1986872 Employees136 Million Euros (2025)www.haertecenter.deKarsten SeehaferBusiness Owner & Managing DirectorARTICLES | Heat TreatmentHanomag Heat Treatment GroupHannover, Germany
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