Shandong Iron and Steel Group Co Ltd, commonly known as Shandong Steel, is a Chinese steel company based in Jinan. 2015 it was ranked as 12th biggest steel producer of the world with a production of 21.7 million tonnes of steel. In 2009, it took a 67% stake in Rizhao Iron and Steel. SISG is controlled by the provincial government of Shandong. SISG was formed in March 2008 when the provincial government of Shandong merged two state-owned steel producers. Wikipedia