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MICRODYN-NADIR is the technology leading membrane and module supplier for the micro-, ultra- and nano filtration worldwide.

The membrane division of the former Hoechst AG which used to be known as NADIR Filtration was founded in 1966. In 2003, NADIR Filtration and MICRODYN Modulbau, whose roots go back to the AKZO AG, merged and have been an important player in the membrane market as MICRODYN-NADIR ever since.

With its well-known brands like NADIR®, BIO-CEL®, AQUADYN®, SPIRA-CEL® and MICRODYN, 
MICRODYN-NADIR holds important key market positions within the industrial and municipal water and waste water treatment sectors, with industrial focuses including Food and Beverage, Pharma and Biotech, Chemical Processes, Textile, Metal, Electronics and E-Coat / Automotive.

MICRODYN-NADIR’s headquarters and main production facility are located in Wiesbaden, Germany with additional production facilities in Singapore and Xiamen/China. Being the new headquarter of MANN+HUMMEL´s Water Division since the 100% acquisition of MICRODYN-NADIR through MANN+HUMMEL in February 2015, MICRODYN-NADIR is also present with sales offices in Raleigh/USA as well as in Jundiaí/Brazil. MICRODYN-NADIR has 220 employees worldwide of which approximately 100 are based at the headquarter and main production location in Wiesbaden.