The World Steel Association (worldsteel) is a non-profit organisation with headquarters in Brussels, Belgium. A second office in Beijing, China, opened in April 2006. worldsteel is one of the largest and most dynamic industry associations in the world, with members in every major steel-producing country. worldsteel represents steel producers, national and regional steel industry associations, and steel research institutes. Members represent around 85% of global steel production. It was founded as the International Iron and Steel Institute on 10 July 1967. It changed its name to the World Steel Association on 6 October 2008. The association celebrated its 50th anniversary in 2017.