focus on raw materials sourcing and are operating two quartz mines in Norway, Tana and Mårnes, and four quartz mines in Spain, Explotacion de Rocas Industriales y Minerals SA (Erimsa). Carbon products Elkem Carbon Solutions is the world’s largest producer of electrically calcined anthracite and electrode paste, which are necessary in the manufacturing process for steel, aluminium, silicon, ferrosilicon and other metals. There are production plants at Kristiansand (Norway), Shizuishan City (China), Ferroveld (South Africa), Sarawak (Malaysia) and Vitória (Brazil). See also Elkem Thamshavn References Chemical companies established in 1904 1904 establishments in Norway Meråker Orkla ASA Silicon wafer producers Aluminium companies of Norway ChemChina Companies listed on the Oslo Stock Exchange Norwegian brands