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North Huajin Chemical Industry Co., Ltd. (Stock Abbreviation: Huajin Co., Ltd.; Stock Code: 000059.SZ), headquartered in Panjin City, Liaoning Province, is an A-share listed company under the actual control of the State-owned Assets Supervision and Administration Commission of the State Council (SASAC) and majority-owned by China National Petroleum Corporation (CNPC). It is the successor entity to a key national project under China’s First Five-Year Plan and a large-scale integrated refining and petrochemical enterprise in Northeast China. The company’s registered capital amounts to RMB 1.598 billion, with total assets exceeding RMB 40 billion and approximately 12,000 employees.

The company’s core businesses span refining, ethylene production, aromatic hydrocarbons, fertilizers, ABS resin, polyolefins, lubricant base oils, and military-specialty petroleum products. Its customers include major petrochemical bases, new-energy vehicle material manufacturers, civil aviation jet fuel users, Northeast China’s emergency fertilizer supply system, and Central Asian energy cooperation partners. The company possesses end-to-end technical implementation capabilities—from crude oil processing to high-end synthetic materials—and owns proprietary process packages, including highly efficient heavy-oil catalytic cracking conversion, long-cycle ethylene plant operation optimization, PX adsorption separation, and low-sulfur marine fuel blending. It holds 137 valid invention patents and 203 utility model patents; has led or participated in the formulation and revision of 12 national standards and 28 industry standards; and operates a national-level enterprise technology center and a postdoctoral research workstation.

The company is certified under ISO 9001/14001/45001/50001 management systems and holds the following permits and qualifications: Dangerous Chemicals Production Safety License (Liaoning WH Anxu Zheng Zi [2024] No. 001); Grade II Confidentiality Qualification for Scientific Research and Production of Arms and Equipment (Guobao Ren Zi [2022] No. 1026); Certification for Confidential Business Consulting Services Related to Military Industry (JYB210012); and Civil Aviation Administration of China (CAAC) Jet Fuel Airworthiness Approval Certificate (CAAC-FQ-2023-007).

Its Panjin Base achieves annual refining throughput exceeding 13 million metric tons, ethylene output of 1.2 million metric tons, and ABS resin production capacity of 600,000 metric tons. In 2024, Huajin ranked among the top three nationwide in ABS resin production and sales volume. Phase I of the “Liaodongwan New Area Green and Low-Carbon New Materials Industrial Base” (a 300,000-metric-ton-per-year high-performance ABS resin and butadiene extraction facility) commenced operations in June 2025 and is designated by the National Development and Reform Commission (NDRC) as a demonstration project for green and low-carbon development in the petrochemical industry. The company also undertakes the key research topic “Green Manufacturing Key Technologies for High-Performance Engineering Plastic Monomers” under the National Key R&D Program.

Huajin’s ABS resin is exported to 12 countries—including Vietnam, Thailand, and Turkey—with export revenue reaching RMB 320 million in 2024, accounting for 5.1% of total revenue. Its products comply with API, ASTM, EN, EU REACH, and U.S. TSCA regulatory requirements and the company possesses combined technical licensing and engineering implementation delivery capabilities.

Baowu Carbon Technology Co., Ltd. Meishan BranchMeishan Branch is located in Yuhuatai District, Nanjing City, Jiangsu Province. It is a branch legally established by Baowu Carbon Industry (Securities Code: 873542), a company listed on the Beijing Stock Exchange. Established in accordance with China Baowu Steel Group’s strategic deployment on carbon-based new materials, the branch completed its industrial and commercial registration and commenced operations in 2022. It is an advanced carbon-materials manufacturing unit designated for key support under China’s national “Dual Carbon” strategy.  

The company’s core business focuses on research, development, production, and sales of high-end carbon-based functional materials, including coal-based needle coke, ultra-high-power graphite electrodes, and precursors for lithium-ion/sodium-ion battery anode materials. Its primary customers include upstream segments of the industrial chain such as iron and steel metallurgy, new-energy batteries (e.g., Contemporary Amperex Technology Co., Limited [CATL], Guoxuan High-Tech, Wanxiang Qiyi), and electric arc furnace (EAF) steelmaking. Technical capabilities span the entire value chain—from raw material pretreatment, delayed coking, calcination and purification, to graphite heat-field control. The company holds no fewer than 23 authorized invention patents directly related to the Meishan base (e.g., ZL202110328765.2, ZL202210892103.7) and has participated in formulating national and industry standards, including GB/T 37981-2019 “Coal-Based Needle Coke” and YB/T 4765-2019 “Needle Coke for Lithium-Ion Batteries.” Full-process automatic control via DCS + APC has been implemented, reducing energy consumption per unit output by 12.6%.  

The company maintains comprehensive certifications, including ISO 9001, ISO 14001, and ISO 45001 management system certifications; Level II Standardization Certificate for Safety Production (Su AQB II QT202300128); National Industrial Product Production License (XK13-013-00157); and Hazardous Chemicals Safety Production License (Su An Xu Zheng Zi [2023] 01050027).  

Representative achievements include: completion in 2023 of the Meishan needle coke production line intelligent upgrading project (selected as a 2024 Ministry of Industry and Information Technology [MIIT] Intelligent Manufacturing Demonstration Factory candidate); supporting commissioning in 2024 of the Yangtze River Delta one-ton-per-batch sodium-ion battery anode material demonstration line; and assuming sub-task responsibilities in 2025 under the National Key R&D Program “Preparation and Application Demonstration of Novel Energy Storage Materials.” Products are exported to POSCO (South Korea) and JFE Steel (Japan); export share reached 11.3% in 2024, and the company possesses the capability to deliver products compliant with major international standards.

Baoti Huashen Titanium Industry Co., Ltd. was established in 2001 and is located in Jinzhou City, Liaoning Province. In September 2007, it came under the control of Baoji Titanium Industry Co., Ltd. The company currently occupies an area of 420 mu (approximately 28 hectares) and has total assets of RMB 1.5 billion. Its primary products include titanium sponge, zirconium sponge, and titanium tetrachloride, with annual production capacities of 25,000 tons of titanium sponge, 1,000 tons of zirconium sponge, and 120,000 tons of titanium tetrachloride.

The company employs 1,014 people, including 917 personnel in the Production Division (73 production and technical management staff and 844 production workers), 15 personnel in the Operations Division, 43 personnel in the Management Division, and 33 personnel in the Quality Division. There are six senior executives.

The company is the first domestic enterprise to achieve full-process, centralized mass production of titanium, zirconium, and hafnium, and is also an advanced intelligent and digital enterprise within the industry. It has established long-term, stable cooperative relationships with major domestic titanium material enterprises and is one of the principal suppliers of raw materials for their key applications.

The company is a national high-tech enterprise, possessing a large number of production and technical personnel who closely follow world-leading technologies, as well as a systematic scientific research system and robust technological development capabilities. It operates the Chlorination Metallurgy Research Institute and a provincial-level enterprise technology center. To date, it has received over 30 science and technology achievement awards at the provincial and municipal levels and holds more than 60 national patents. The company maintains a comprehensive quality control and assurance system and has successively obtained certifications for the GJB9001C-2017 and ISO9001-2015 quality management systems.

Baojin Xincheng Jiangdu Gas Co., Ltd. is a production facility for air separation products, established on January 26, 2010, as a joint venture between Shanghai Baogang Gas Co., Ltd. and Jiangsu Xincheng Gas Co., Ltd. The company is located in Daqiao Town, Jiangdu District, Yangzhou City, Jiangsu Province, with a registered capital of RMB 60 million and over 90 employees.

Baotou Bide Tendering Co., Ltd. is a wholly-owned subsidiary of Baotou Iron and Steel (Group) Corporation Limited, established in 2017 and located at the Baogang Environmental Protection Building, Hexi Industrial Zone, Kundulun District, Baotou City, Inner Mongolia Autonomous Region. It is primarily responsible for operating the Baogang Electronic Procurement Trading Platform and providing professional tendering agency and consulting services. Baotou Bide Tendering Co., Ltd. was established on March 30, 2017, with its registered address at the Baogang Environmental Protection Building, Hexi Industrial Zone, Kundulun District, Baotou City, Inner Mongolia Autonomous Region; its legal representative is Li Yongsheng. Its business scope includes: licensed business activities: none; general business activities: tendering and consulting services for engineering, surveying, design, and supervision projects; cost estimation consulting services; tendering and consulting services for equipment and materials; and government procurement agency services.

Bayannaoer Zhongke Chemical Co., Ltd. was established on May 22, 2023. Its registered address is Heiliuzi Village, Xianfeng Town, Wulate Front Banner, Bayannaoer City, Inner Mongolia Autonomous Region (South side of Weiqi Road, Wulate Front Banner Industrial Park, Zhongke Chemical). Yu Wenguang is the legal representative. The company’s business scope includes:  
General Projects: Sale of livestock and aquaculture feed; R&D of biochemical products; Manufacturing of bio-based materials; Sale of bio-based materials; Manufacturing of specialty chemical products (excluding hazardous chemicals); Sale of specialty chemical products (excluding hazardous chemicals); Sale of food additives; Sale of synthetic materials; Sale of livestock; Sale of agricultural and sideline products; Primary processing of edible agricultural products; Sale of cereals; Sale of fertilizers; Sale of chemical products (excluding licensed chemical products); Production of chemical products (excluding licensed chemical products); Purchase of primary agricultural products. (Except for projects requiring statutory approval, the company may independently conduct business operations according to law based on its business license.)  
Licensed Projects: Production of food additives; Production of feed; Production of feed additives.

Anshan Yangtian Metallurgical Energy Technology Co., Ltd. was established in March 2006 as a new, comprehensive enterprise specializing in the production of flame-cutting equipment, cutting tools, and industrial cutting gases, integrating research on thermal cutting technologies, manufacturing, technical consultation, and on-site technical services. The company’s registered capital is RMB 50.5 million, with nearly 500 employees and an annual operating revenue of RMB 120 million.

The company has established business cooperation and sound cooperative relationships with numerous metallurgical enterprises, including Angang Steel Co., Ltd. Currently, it provides integrated services—including supply and maintenance of industrial gases, flame-cutting equipment, and tools, as well as technical services and consultation—to Angang Steel’s Bayuquan Branch, the General Steelmaking Plant, the Seamless Steel Tube Plant, and the Medium & Heavy Plate Business Unit. Committed to green, low-carbon, and environmentally friendly development, the company vigorously conducts technological research and development activities. It has jointly established the Anshan Functional Materials R&D Center with the Institute of Chemistry, Chinese Academy of Sciences, and engages in technological exchanges and cooperation with advanced enterprises and research institutions such as those in Germany and Harbin Institute of Technology. As a result, the company has evolved into a new, comprehensive enterprise integrating production, supply, sales, and R&D, with core businesses centered on metallurgical cutting and industrial gas production, possessing strong competitive advantages in the market.

The company consistently adheres to the business philosophy of “Integrity, Innovation, Service, and Win-Win,” winning customer satisfaction through high-quality products and attentive service. To realize its corporate vision of establishing Yangtian as the No. 1 brand serving the metallurgical industry, the company continuously enhances its core competitiveness, meets market demands, and generates superior economic and social benefits.

Ansteel Cold-Rolled Steel Sheet (Putian) Co., Ltd., located in the Hushi Industrial Park, Xiuyu District, Putian City, Fujian Province, is a national-level high-tech enterprise specializing in the R&D, manufacturing, and services of high-end cold-rolled metal materials. The company was established as a joint venture between Anshan Iron and Steel Group—a core subsidiary of China Baowu Steel Group, a central state-owned enterprise—and Fujian San'an Group. With a registered capital of 1.5 billion yuan, the company completed the construction of its Phase I and Phase II projects by March 2026 and has now reached full production capacity of 2 million tons per year, placing it in a stage of scaled and stable development. The company’s core business covers the R&D and mass supply of advanced high-strength cold-rolled sheets for automotive applications (DP780–DP1180, QP980), specialized thin sheets for new-energy equipment, high-quality cold-rolled sheets for home appliances, and chromium-free fingerprint-resistant galvanized sheets. Its products have thicknesses ranging from 0.18 to 2.5 mm and widths from 900 to 2,080 mm, primarily serving major new-energy vehicle manufacturers (BYD, Geely, SAIC-GM-Wuling), leading white-goods companies (Midea, Gree), and equipment manufacturers within the RCEP region. The company’s core technological capabilities include comprehensive, integrated control over the entire cold-rolling process—from continuous casting, hot rolling, pickling, cold rolling, annealing, to finishing. In the cold-rolling process, thickness control accuracy reaches ±2 μm, enabling stable rolling of ultra-high-strength steel substrates and featuring an online closed-loop control system for coating quality on its hot-dip galvanizing line. The company holds 12 valid invention patents and 38 utility model patents, six of which have already been put into industrial application. Its surface roughness Ra is ≤0.6 μm, and its flatness accuracy is ±5I, both reaching advanced industry standards. The company has obtained ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and IATF 16949:2016 certifications for automotive quality management systems. It also holds the National Industrial Product Production License (for cold-rolled thin sheets), the Level-II Certificate for Standardized Safe Production, and the Fujian Province High-Tech Enterprise Certification (valid until November 2026). Notable achievements include becoming a key supplier of cold-rolled substrates for BYD’s “Blade Battery” structural components in 2022, delivering over 450,000 tons of high-strength steel for new-energy vehicles in 2024, and participating in the Ministry of Industry and Information Technology’s “Research Project on Domestic Substitution of High-End Cold-Rolled Automotive Sheets.” Leveraging China Baowu’s global supply chain network, in 2024 the company exported 127,000 tons of cold-rolled substrates to Vietnam, Thailand, and Malaysia—all of which passed SGS testing and comply with ASTM A1033/A1033M-22 standards. Currently, the company is conducting joint trials with ThyssenKrupp of Germany on high-surface zinc-iron alloy coatings, supporting a collaboration model that combines technology licensing with engineering implementation.

Anshan Iron and Steel Group Engineering Technology Co., Ltd. (registered address: No. 187, South Zhonghua Road, Tiandong District, Anshan City, Liaoning Province) is a state-owned high-tech enterprise wholly owned by Anshan Iron and Steel Group Co., Ltd. The company positions itself as a full-lifecycle service provider for metallurgical engineering, focusing on the green, intelligent, and low-carbon transformation and upgrading needs of the iron and steel industry. Its business scope covers engineering consulting, engineering design, engineering procurement and construction (EPC) contracting, intelligent equipment R&D, industrial software development, and digital delivery. The company was formerly the Anshan Iron and Steel Group Design Institute, established in 2004, completed its corporate system reform in 2021, and has been included in the State Council’s State-owned Assets Supervision and Administration Commission (SASAC) “Double Hundred Action” comprehensive reform pilot program. It serves as the supporting unit for the branch center of the “National Enterprise Technology Center” certified by the National Development and Reform Commission (NDRC), and is among the first batch of Liaoning Province’s “Specialized, Refined, Distinctive, and Innovative” (Zhuan Jing Te Xin) small- and medium-sized enterprises and engineering research center construction units. Its core business targets the entire process of ferrous metal smelting and rolling industries, with key services covering new construction and technological upgrades of blast furnace–basic oxygen furnace–continuous casting–rolling systems. It has also deeply expanded into mining engineering, energy and environmental protection (e.g., sintering flue gas desulfurization and denitrification, precision desulfurization of blast furnace gas, waste heat and waste energy recovery), and intelligent manufacturing (digital twin factories, AI-based visual quality inspection, unmanned overhead crane scheduling systems). Its core technical capabilities include: an intelligent blast furnace longevity diagnostic system based on multi-source heterogeneous data fusion; an AI-powered online surface defect recognition platform for cold-rolled strip steel (deployed at Angang Shares’ 2130 Cold Rolling Plant); and a three-dimensional collaborative design and BIM lightweight delivery platform for metallurgical engineering. The company holds 137 valid invention patents, 328 utility model patents, and 156 software copyrights, and has led the formulation of national and industry standards including the “Design Code for Coke Oven Gas Hydrogen Production Projects in Iron and Steel Enterprises” (YB/T 4985–2022). It possesses Class-A comprehensive engineering design qualifications, Class-A credit rating for engineering consulting firms (metallurgical specialty), Special Equipment Design License (pressure pipelines, categories GA/GC), ISO 9001/14001/45001 management system certifications, and Class-B qualification for classified information system integration. Representative projects include the overhaul project of Blast Furnace No. 2 (5,500 m³) at Angang Bayuquan Base; the intelligent upgrade project of the 1,780 mm hot strip mill unit at Benxi Iron and Steel Plate Co., Ltd.; the Phase II EPC general contracting project for HS1 Steelworks of Hoa Phat Group in Vietnam (including independently developed MES + Level-2 process control system); and the intelligent transformation project for two 180-ton converters at El Hadjar Integrated Steel Complex in Algeria (achieving full-package export of domestically developed Level-3 process control systems). Its international business spans 12 countries across Southeast Asia, South Asia, the Middle East, and Africa; all overseas projects are executed by domestic entities and subject to supervision by China’s Ministry of Commerce.

Anhui Maijie Sterilization Technology Co., Ltd., located in the Hefei High-Tech Industrial Development Zone, Anhui Province, is a high-tech enterprise specializing in sterilization technical services and solutions for the medical device and biopharmaceutical industries. Its industry classification falls under “Disinfection and Sterilization Services” (National Economic Industry Classification Code: M7492) within the broader category of “Specialized Technical Services.” The company is currently in the initial stage of scaled operations, with registered capital of RMB 5 million fully paid-in.  

The company’s core business covers research, development, and industrial application of multimodal sterilization processes—including ethylene oxide (EO), gamma-ray/electron-beam irradiation, and hydrogen peroxide—and primarily serves manufacturers of Class II and Class III sterile medical devices, in vitro diagnostic reagent producers, and biopharmaceutical enterprises. Its customer base spans over 120 companies across the Yangtze River Delta and central China regions.  

Core capabilities include:  
- Establishment of an EO sterilization validation laboratory compliant with YY/T 0681.1–2022 and ISO 11135:2014 standards, equipped with a fully automated parameter monitoring system and a biological indicator analysis platform;  
- Engineering implementation of the “Rapid Prediction Method for EO Residuals Based on Temperature-Humidity Coupling Model” (Invention Patent No. ZL202311529876.4), reducing standard aeration time from 14 days to within 72 hours;  
- Leading development of the provincial standard “Anhui Provincial Specification for Ethylene Oxide Sterilization Services” (DB34/T 4567–2023), and serving as an observer member of the National Standardization Technical Committee on Disinfection (SAC/TC200).  

Certifications and qualifications held include:  
- ISO 13485:2016 Quality Management System Certification (Certificate No. Q50125000289R0M, valid until January 2028);  
- “Medical Device Production License” issued by the Anhui Provincial Medical Products Administration (License No. Wan Xie Sheng Chan Xu 20230087), authorizing “Sterilization Services (Ethylene Oxide).”  

Representative achievements include:  
- Serving as the lead entity for sub-projects under the Anhui Provincial Department of Science and Technology’s Key R&D Program for three consecutive years, and establishing the province’s first cloud-based traceability platform for sterilization parameters;  
- Providing EU MDR-compliant EO sterilization services conforming to EN ISO 11135:2014 for an orthopedic implant manufacturer in Wuhu, supporting CE certification of its products and market entry into Germany and Poland;  
- Collaborating with the Hefei Comprehensive National Science Center Institute for Major Health Research in 2025 to establish the “Joint Laboratory for Sterility Assurance,” conducting pilot-scale validation of low-temperature plasma sterilization.