Re-certification according to ISO 9001:2015

More than ever, the success of the company is intimately tied to the quality of our products and services. Our greatest aspiration is to ensure customer satisfaction and to individually design filter concepts for specific applications while maintaining high flexibility and adherence to delivery dates.

In order to maintain and further enhance the good reputation and success of DANGO & DIENENTHAL, we define our quality policy by means of a quality management system according to DIN EN ISO 9001:2015 (*).

By continuously reviewing the effectiveness of quality-related activities through internal audits and comparing meaningful key figures, we at DANGO & DIENENTHAL are constantly adapting our quality management in terms of organization and methods to the latest findings and requirements.

We are very proud of our successful re-certification. This achievement confirms the high quality of our products as well as our continuous improvements.


DANGO & DIENENTHAL Filtertechnik GmbH is a reliable partner for liquid filtration in almost all branches of industry.

What long-standing customers particularly appreciate about our robust filter systems is their

  • reliable filtration of solids
  • failure-free filter operation
  • minimal maintenance and operating costs
  • high standards of performance and quality
  • workmanship using high-quality materials

All products are manufactured in our specialized assembly workshops under the guidance of qualified engineers.


(*) ISO 9001:2015 is the most important international standard for the assurance of quality standards in companies. It helps to reduce errors to a minimum, boost productivity, and improve the quality of products and services.