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ISO Certificates & Standards

EWS stands for highest and lasting quality. In this way, we offer our customers real added value. Therefore, our actions are based on uniform standards and rules.

Through certification, we secure our market position against competitors and constantly optimize our business processes.


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EWS Quality Management System ISO 9001:2015

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EWS Energy Management System ISO 5001:2018

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EWS sustainability standards for business partners