Assmang Manganese in South Africa's manganese ore projected investments April 10 www. bus- ex. com 31 heartofs teel A ssmang's name is a contraction of Associated Manganese Mines of South Africa, as it was originally known when it was founded in 1935. For many years it specialised in manganese ore and iron ore extraction and beneficiation, as well as manganese and chrome alloy production, to which it added chrome ore production and beneficiation in the late 1990s. Today it is jointly owned by African Rainbow Minerals Limited and Assore Limited and it currently has three operating divisions based on its three commodities: chrome, manganese and iron ore.