Gangcheng (simplified Chinese: 钢城区; traditional Chinese: 鋼城區; pinyin: Gāngchéng Qū) is one of 10 urban districts of the prefecture-level city of Jinan, the capital of Shandong Province, East China. It has an area of 336 km2 (130 sq mi) and around 240,000 inhabitants (2003). It is named for its production of iron and steel. (Gang "钢" means "steel" in Chinese.) Laiwu Steel Corporation, the largest subsidiary of Shandong Iron and Steel Group (commonly known as Shan Steel), is headquartered in Gangcheng District.