sentences:  It was founded by Nicolas Zimmer in 1898, making it one of the oldest companies in its field of activity in Europe.Its main products are ferro alloys, foundry products, base metals and concentrates.Being a former part of the Tinfos Group, Nizi International was fully acquired by Holta Invest in 2010 and subsequently changed its name from Tinfos Nizi to Nizi International S.A. 
  
  Nizi International owns fellow metal trading and manufacturing companies such as Chemalloy and Miller in the US, Keyvest in Belgium and, since 2018, MPT in Sweden.