Certified quality TQ stands for "Technology in Quality."

Our quality has been confirmed by our extensive QM system certifications – from the very beginning. When the company was established in 1994, all TQ systems were certified in accordance with DIN EN ISO 9001, laying the foundation for the following certifications:

DIN EN ISO 9001:2015

DIN EN ISO 9001:2015

TQ-Group
DIN EN ISO 9001:2015 | valid until: 17.10.2021Download

TQS-Shanghai
DIN EN ISO 9001:2015 | valid until:19.11.2020Download

Environment and Energy

Environment and energy

TQ-Group
ISO 14001:2015
valid until: 30.08.2020
Download

TQ-Systems
ISO 50001:2011
valid until: 06.08.2021
Download

Medical

Medical

TQ-Systems
EN ISO 13485:2016 | valid until: 08.09.2021
Download

Directive 93/42/EWG for medical products (MDD)
valid until: 08.09.2023
Download

Aviation

Aviation

TQ-Systems
EN 9100:2018 | valid until: 16.09.2022
DownloadAlternative Design Organisation Approval (A-DOA)
DownloadProduction Organisation Approval (POA)
DownloadMaintenance Organisation Approval (MOA)
Download

Fire and explosion protection

Fire and explosion protection

TQ-Systems
File E465121 | UL INVESTIGATION FOR PRINTED WIRING BOARD (PWB) ASSEMBLY
Download

TQ-Systems
EU Certificate EX2 16 03 46275 021
Download

Quality management at TQ

Quality management

Discover how we have implemented our motto "Technology in Quality" in our quality management processes.

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Environmental and energy management at TQ

Environmental and energy management

We don’t just talk the talk, we walk the walk – because we care about the environment and want to ensure a sustainable future!

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Social responsibility at TQ

Social responsibility

We are aware of our global social responsibility and act accordingly.

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Code of Conduct

All of the companies in the TQ-Group are clearly committed to their social responsibility within the scope of our worldwide activities.

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Contact

Do you have questions about TQ, our products or services? We are looking forward to your inquiry and will take care of you personally. Here you will find an overview of how to reach us.

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