We want to impress you

Our certifications set us apart and underline our skills and abilities.

DVS SLV Duisburg
Welding quality requirement according to DIN EN ISO 3834-2

Valid: 9 July 2021 - 8 July 2024

EWE Climate Certificate
CO2-neutral natural gas climate pro

Valid: 1 January 2019 - 1 January 2021

TÜV Nord Climate Change Standard
Calculation & Verification of Carboon Footprints & Carbon Neutrality

Valid: 1 January 2018 - 31 December 2019
GSI SLV Duisburg
Welding of steel work in accordance with DIN EN 1090-2

Valid: 15 April 2015 - 20 April 2022
DVS Zert Düsseldorf
Welding of rolling stock and vehicle parts in accordance with EN 15085-2

Valid: 7 May 2019 - 30 May 2022


ZDH ZERT Main certifcate DIN EN ISO 9001:2015
Valid: 17 March 2022 - 16 March 2025

ZDH ZERT Hüntelmann Maschinen- und Stahlbau GmbH & Co. KG nach DIN EN ISO 9001:2015
Valid: 17 March 2022 - 16 March 2025

Do you want to know in which other areas we are certified?