Shougang Changzhi Steel & Iron Co., Ltd. (referred to as Changgang) was founded in 1946. It is the first iron and steel enterprise (Guxian Iron Works) built by the Communist Party of China in the Taihang Mountain Revolutionary Base. When Premier Zhou Enlai inspected Shanxi in 1956, he said: "Guxian Iron Works is the first factory officially built by our party in the base area. It was built by self-reliance, diligence and thrift." In 2009, it was jointly reorganized with Shougang Group.

Changzhi Steel is located at the junction of Shanxi, Hebei and Henan provinces, with convenient transportation: Taijiao, Hanchang Railway, G55, G22 Expressway, 207, 208, 309, and Changhan Highway run through the north, south, west and east; as the second largest airport in Shanxi Province, Changzhi Has opened to Beijing, Shanghai, Guangzhou and many other routes. Changsteel integrates mining (coal, limestone, etc.), coking, ironmaking, steelmaking, rolling, cement manufacturing, engineering construction, and forging machinery manufacturing. It has good conditions for the development of the iron and steel industry: Changzhi has 24.3 billion tons of coal reserves, iron The proven reserves of the mine are 140 million tons, the proven reserves of limestone are 500 million tons, and the proven reserves of dolomite are 60 million tons. The water resources are 1.5 times that of Shanxi's per capita water resources. Changgang is far away from the urban area and is located in the downwind direction of the local dominant wind direction , strategic location. Changgang also established a joint venture with Shanxi Qinxin Coal Coke Group  Shanxi Changqin Coal Industry Co., Ltd.

Changgang has been rated as "AAA" in quality and credit, "Contract-honoring and Promise-keeping" enterprise for many years, an excellent unit in the construction of national corporate culture, and one of the main drafting units of the latest version of "National Standard for Hot-rolled Ribbed Steel Bars for Reinforced Concrete" , was awarded the "National May 1st Labor Award" by the All-China Federation of Trade Unions. In 2013, it was awarded the Shanxi Provincial Energy Conservation Advanced Collective. From 2013 to 2022, it was awarded the top 100 enterprises in Shanxi Province and the top 100 manufacturing enterprises in Shanxi Province. Since 2016, it has been awarded the Meritorious Enterprise of Shanxi Province, in 2022, it will be rated as a "green factory" enterprise by the Ministry of Industry and Information Technology, won the "construction steel quality brand demonstration base" and other honors. Changgang’s “Construction and Implementation of Three-Clear and Three-Post-Post Responsibility System” won the first prize of national state-owned enterprise management innovation achievements, and “Changgang Company’s Construction of “Three Systems” to Deepen the Innovation and Practice of “Learning from Basteel and Promoting Development”” was awarded by Shougang The group was rated as the "benchmark transformation achievement" of management innovation, "the application and practice of internal risk control based on the post responsibility system" and "the innovation and practice of building 'three major systems' to deepen the 'learning from Basteel and promoting development'" won the management innovation of Shougang Achievement first prize.

Long steel products include three series of steel products, forging machinery, and slag cement. It is committed to the research and development of high-strength steel bars and other high-quality steel products, and has developed and produced high-strength anchor steel for mining, hard wire steel, spring steel, high-quality carbon structural steel, welding High value-added products such as steel, cold heading steel, high-strength steel bars, weather-resistant steel bars, and alloy structural steel. The steel products of Changgang are pure in quality and stable in composition. The leading product "Shangdang" brand hot-rolled ribbed steel bar has won the "National Metallurgical Product Physical Quality 'Gold Cup Award'", "National Inspection-free Product", "National Customer Satisfaction Product", etc. Honored by Chairman Mao Memorial Hall, Beijing Olympic venues, Qinghai-Tibet Railway, Shenzhen Bay Bridge, Qinshan Nuclear Power Plant, Taijiao High-speed Railway, Zhengtai High-speed Railway, Changlin Expressway, Yangmang Expressway, Taiyuan Rail Transit and many other key construction projects use.

On the basis of substantial progress in basic management, safety and environmental protection, green development, product research and development, and per capita labor productivity during the "13th Five-Year Plan", Changgang will focus on the "3+2" high-quality development strategy of Shougang Group during the "14th Five-Year Plan" and move forward. Lay a solid foundation for high-quality development in three years, Promote the transformation of development quality in the next two years. The key point is to strengthen and optimize the steel scale of 3 million tons, and form a product structure that is dominated by steel bar products, supplemented by coal mine steel, section steel, fastener steel, welding steel, and welding wire steel; promote safe and green development, and form a Relatively complete safety, environmental protection, and energy management and control systems; further improve labor efficiency, and the physical labor rate of the main iron and steel industry has reached the industry level; promote the improvement of all employees to form a talent team that matches high-quality development; improve the level of intelligent manufacturing, and effectively Promoting the construction of the "two informatization" projects in order to promote the further improvement of operation quality, the product structure strategic transformation has basically taken shape, the management and control system is more scientific and standardized, the innovation system is more dynamic, and the direction of transformation and development is clearer, make Changgang a steel enterprise with great regional competitiveness in the Midwest.