There has been some exciting news in the last couple of days where Grundfos and De Nora announced the sale of ISIA S.p.A to Industrie De Nora. 

Expanding chlorine dioxide market opportunities creating well planned and dependable systems for water treatment.

Read more about it here https://www.grundfos.com/about-us/news-and-media/news/grundfos-and-de-nora-announce-the-sale-of-isia-s-p-a-to-industri