Chongqing Iron and Steel (Group) Co., Ltd. (hereinafter referred to as "Chongqing Iron and Steel Group") is a large-scale iron and steel joint venture with a history of one hundred years. Its predecessor was Hanyang Iron Works founded by the late Qing government of China in 1890.
Chongqing Iron and Steel Co., Ltd. is the earliest manufacturer in China to produce pressure vessel steel plates from low temperature, normal temperature, medium temperature to high temperature, and its product quality is stable, which is at the leading level in China. "Sanfeng" brand steel plate produced by Chongqing Iron and Steel Co., Ltd. has always had product quality and brand advantages, and has been praised as "the first plate in China" by the industry.