CISDI

CISDI's official website presents business segments including high-end consulting, metallurgical technology, equipment manufacturing, data intelligence, industry-city integration, and energy and environmental protection. It states that CISDI provides engineering technology system support and core technology and equipment products for the global metals industry, especially the steel industry, and that it has achieved independent controllability in core processes, equipment, model control, and materials science across the full steel production process. The site also states that for more than sixty years it has continuously provided quality design and technical support for the steel industry, and that it is one of two consulting partners of the Asian Infrastructure Investment Bank in the engineering technology field.

CISDI's origins date to 1958, when the Anshan Black Metallurgical Design Institute was relocated in its entirety to Chongqing by the Ministry of Metallurgical Industry, establishing a national large-scale Grade A metallurgical design unit. In the decades that followed, CISDI participated in the design and construction of most of China's major steel bases. It independently designed the Panzhihua Iron and Steel Base, the first large-scale steel base built entirely with China's own capabilities, and served as general contractor for the design of Baosteel, China's first modern large-scale integrated steel complex. These projects contributed significantly to building China's independent and complete industrial system and to the modernization of its steel industry. Since the 1960s, CISDI has been involved in the design and construction of most large domestic steel bases. In the reform era, CISDI evolved from a traditional design institute into a technology-driven enterprise, developing proprietary core technologies and equipment across the full steelmaking process. It pioneered the export of Chinese steel engineering technology, designing and building major coastal greenfield steel bases along the Belt and Road Initiative, such as Formosa Ha Tinh Steel in Vietnam and the Malaysia-China Kuantan Industrial Park integrated steel project. In recent years, CISDI has undertaken overseas contracts worth over RMB 40 billion, driving more than RMB 20 billion in Chinese equipment exports. The company has also become a leader in industrial internet platforms and intelligent manufacturing for the metallurgical industry, combining over 60 years of industrial knowledge with digital technologies. Its CISDigital AI system and industrial internet platform have been recognized nationally, and it has collaborated with over a hundred benchmark enterprises across 18 industries including metallurgy and mining, creating national-level lighthouse smart factories and generating annual customer benefits exceeding RMB 5 billion. CISDI has also made breakthroughs in green low-carbon technologies, including the world's first 3R carbon-hydrogen blast furnace at Hebei Zongheng Steel, the CISDI-SuperArc green intelligent electric arc furnace, and hydrogen-based shaft furnaces. The company continues to expand into non-ferrous metals and new materials, aiming to become a world-class technology-based technical service enterprise in the metal mining and metallurgical engineering field.

• 2024

  CISDI's Tangshan Yanyang 1750 pickling-rolling combined unit, the industry's first independently developed 1750 five-stand six-high cold tandem mill, was put into operation.

• 2024

  CISDI built the world's first 2000m³-class 3R carbon-hydrogen blast furnace at Hebei Zongheng Steel, achieving 5%-10% carbon reduction.

• 2016

  CISDI's key technology for high-efficiency, low-consumption super-large blast furnaces won the National Science and Technology Progress Award (Second Class).

• 1978

  CISDI served as general contractor for the design of Baosteel, China's first modern large-scale integrated steel complex.

• 1960

  CISDI independently designed the Panzhihua Iron and Steel Base, China's first large-scale steel base built with domestic capabilities.

• 1958

  Anshan Black Metallurgical Design Institute relocated to Chongqing, founding CISDI as a national Grade A metallurgical design unit.

• 3R Low-Carbon Blast Furnace

  Original CISDI technology for stable, efficient blast furnace operation with dual breakthroughs in emission reduction and cost reduction. World's first 2000m³-class 3R carbon-hydrogen blast furnace built at Hebei Zongheng Steel, reducing carbon by 5%-10% compared to conventional furnaces. Selected for the green low-carbon technology catalog of the NDRC and Ministry of Ecology and Environment.

• CISDI-SuperArc Green Intelligent Electric Arc Furnace

  A new-generation electric arc furnace independently developed by CISDI, integrating high efficiency, low carbon, intelligence, and environmental protection. Equipped with IGBT flexible DC power supply system and scrap continuous charging and preheating system. Compared with traditional horizontal charging EAF, it shortens smelting cycle by 14%, reduces power consumption by 9%, electrode consumption by 9%, and carbon emissions by 9%. Successfully applied at Sichuan Panchang Steel, Yunnan Xianfu, and Xingcheng Special Steel.

• High-Efficiency Low-Consumption Super-Large Blast Furnace Technology

  A core technology system covering process, design, equipment, and intelligent control for super-large blast furnaces, developed over 20 years. Applied to over 20 super-large blast furnaces including Formosa Vietnam's two 4350m³ furnaces and Baosteel Zhanjiang's two 5050m³ furnaces. Saves about 396,000 tons of standard coal and reduces carbon emissions by about 1.045 million tons annually. Won the 2016 National Science and Technology Progress Award (Second Class).

• Universal Section Steel Key Process Equipment and Control Technology

  Includes BDCD series blooming mills, UMCD series universal mills, and RSCD series section straighteners. CISDI provided core process equipment for China's first domestic light rail universal continuous rolling line and independently developed the first domestic universal heavy rail production line, breaking foreign dependence for high-quality rail steel production equipment.

• CCTM Seamless Steel Pipe Continuous Rolling Technology

  CISDI holds domestic-leading and internationally advanced process technology and automation control technology, with the only domestic and internationally advanced process control model. The independently developed three-roll continuous rolling pipe technology breaks foreign monopoly, saving over 50% investment per unit compared to imported equipment, and reduces comprehensive cost by 100-400 yuan/ton of steel. CISDI built the world's first smallest-diameter (Φ89mm) six-stand three-roll continuous rolling mill.

• HMBC High-Speed Flexible Rolling Technology for Wire and Bar

  Independently developed by CISDI, this technology reveals the microstructure evolution mechanism of high-speed rolling, proposes multi-stage cooling isothermal large-deformation rolling process, and pioneers modular high-speed heavy-load rolling mill equipment with independent drives. Applied at Magang high-speed wire, Panchang Steel high-speed wire, Taiwan Yexing high-speed wire, and Yunnan Degang. Selected for the steel industry cost reduction and efficiency enhancement common technology list.

• Six-High Cold Tandem Rolling Core Production Line

  CISDI's pickling-rolling and cold tandem rolling product line centered on six-high cold rolling mills, covering all steel grades, specifications, and full-process intelligence. The Tangshan Yanyang 1750 pickling-rolling combined unit, the industry's first independently developed 1750 five-stand six-high cold tandem mill, was put into operation in 2024, achieving stable production of high-end deep-drawing steel for appliances and HSS980 ultra-high-strength steel for automobiles, reducing equipment procurement costs by over 30%.

• CISDigital AI System

  CISDI's AI system for industrial digital transformation, providing a safe and efficient foundation. Combined with CISDI's industrial internet platform, it has been selected as a national cross-industry and cross-domain industrial internet platform, forming an independent and controllable core product system, algorithm models, and core database.

1. 1中冶赛迪集团有限公司|中冶赛迪工程技术股份有限公司cisdi.com.cn
2. 2公司简介 - 中冶赛迪集团有限公司|中冶赛迪工程技术股份有限公司cisdi.com.cn
3. 3核心技术和产品 - 中冶赛迪集团有限公司|中冶赛迪工程技术股份有限公司cisdi.com.cn