Shanghai Meishan Iron and Steel Co., Ltd., known as Meishan Iron and Steel, or Meisteel or Meigang is a second-tier subsidiary of Baowu (formerly known as Baosteel Group) and a first-tier subsidiary of listed company Baoshan Iron and Steel Co., Ltd. (Baosteel). The company was based in Nanjing.
In 2004, Baosteel Group decided to inject Shanghai Meishan Iron and Steel Co., Ltd. to fellow subsidiary Baoshan Iron and Steel Co., Ltd., which is also a listed company.