Maanshan Iron & Steel Company Limited is a holding subsidiary of China Baowu Iron and Steel Group Co., Ltd. It owns 1 A+H share listed company and 1 NEEQ listed company. It has a supporting production capacity of 23 million tons of steel and 22,000 employees. In 2022, Maanshan Iron and Steel Group will produce 20 million tons of steel, realize a revenue of 220.9 billion yuan, and a total profit of 2.62 billion yuan.

The predecessor of Maanshan Iron and Steel was Maanshan Iron Works established in 1953; Maanshan Iron and Steel Company was established in 1958; in 1993, it successfully implemented the shareholding system reform and split into Maanshan Iron and Steel Corporation and Maanshan Iron and Steel Co., Ltd.; in 1998, Maanshan Iron and Steel Corporation was legally restructured into Masteel (Group) Holdings Co., Ltd.; On September 19, 2019, China Baowu and Masteel Group officially signed a reorganization implementation agreement. Masteel Group became a subsidiary of China Baowu Holdings. China Baowu holds 51% of Masteel Group Equity, Anhui State-owned Assets Supervision and Administration Commission holds 49% equity of Masteel Group. In the course of more than 60 years of hard work, self-accumulation and rolling development, Masteel has created many firsts in my country's iron and steel industry: my country's first wheel and tire factory, the first set of high-speed wire rolling mill, "China's first iron and steel stock "(A+H-share listed company), the first large H-beam production line was born here. Masteel is a group enterprise with diversified and coordinated development, and has built an industrial structure of coordinated development of steel and industrial chain extension industries and strategic emerging industries. The iron and steel industry has four major steel production bases of Maanshan Iron and Steel Co., Ltd., Changjiang Iron and Steel, Hefei Company, and Wharton Company. Cold and hot rolled sheets, color-coated sheets, galvanized sheets, H-shaped steel, high-speed wire rods, high-speed bars and wheel tires and other advanced production lines, three series of long products, strips and axles, wheels, H-beams, cold heading steels, pipeline steels and other products have independent intellectual property rights and core technologies, wheels and H-beam products have won the title of "China Famous Brand", shares The company won the "National Quality Award". Diversified industries include mineral resources, engineering technology, scrap steel resources, chemical energy, trade logistics, financial investment, energy conservation and environmental protection, information technology, new materials and other sectors.At present, Masteel is in a critical period of accelerating transformation and upgrading and moving towards high-quality development. Facing the development trend of the iron and steel industry, under the strong leadership of China Baowu, Masteel will adhere to the guidance of Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era, resolutely implement the new development concept, and further strengthen the "beyond self, outperform the market, and pursue excellence" "Performance-oriented, take "three highs and two modernizations" as the implementation path, take reform as the driving force, promote development with innovation, deepen integration and integration, comprehensively benchmark and find differences, and create a "big and strong new Masteel" to boost China's Baowu has become a leader in the global steel industry, jointly built a high-quality steel ecosystem, and make positive contributions to the comprehensive construction of the modernized five major developments in beautiful Anhui and the beautiful Yangtze River Economic Belt with clear water, green banks and green industries.