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Dalian Baojie Chemical Technology Co., Ltd., located in the Dalianwan Industrial Park, Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in research and development, production, and technical services for fine chemical products. Its industry classification is specialized chemical product manufacturing (C2669), with a focus on three niche areas: electronic chemicals, environmentally friendly water treatment agents, and specialty functional additives. The company is currently at the regional professional service provider stage within its growth phase, with paid-in capital of RMB 12 million and 28 employees covered by social insurance.

The company’s core products include the BJ-801 series of cleaning agents for semiconductor packaging, the BJ-WT series of corrosion and scale inhibitors for industrial circulating water systems, and the BJ-SP series of concrete superplasticizers. Its customer base spans integrated circuit manufacturing, operation and maintenance of industrial water systems, green building materials, and construction engineering.

Its core capabilities are reflected in process optimization for high-purity electronic-grade isopropanol purification and molecular structure design of low-temperature-stable polycarboxylate water-reducing agents. The company holds seven authorized utility model patents and two authorized invention patents (publication numbers CN114315823A and CN115627212A). It possesses capabilities in laboratory-scale verification, customized formulation development, pilot-scale support, and technical delivery, offering end-to-end technical services—from component analysis and performance testing to on-site application adaptation.

The company has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q41238R1M), ISO 14001:2015 Environmental Management System Certification (Certificate No.: 00122E40927R1M), and Level-3 Standardization Certification for Work Safety (Liaoning Emergency Management Authority Document No.: Liao Yingji Anbiao [2021] 37). It was first recognized as a national high-tech enterprise in 2020 (Certificate No.: GR202021210128) and successfully passed its re-evaluation in 2023, with validity extended until December 2026.

Notable achievements include providing laboratory-scale verification services for semiconductor cleaning agents to Semiconductor Manufacturing International Corporation (SMIC) Tianjin (Memorandum of Cooperation No.: SMIC-TJ-BJ-202405, 2024); participating in the China Academy of Building Research’s “Green Building Materials Evaluation System” special testing project for water treatment agents (Final Report No.: CASB-GM-2025-027, completed in 2025); and exporting customized concrete admixtures to Vingroup Construction, a subsidiary of Vietnam’s VinGroup (Customs Declaration No.: DLCN202509110042).

Currently, the company serves customers across 12 provinces and municipalities within China and exports products to Southeast Asia and the Middle East through foreign trade agents. It supports collaboration models including technology licensing plus localized engineering implementation, joint development, and commissioned testing.

Chifeng Chaihulanzi Gold Mining Co., Ltd. was established on September 29, 2003. Its registered address is Chaihulanzi Village, Chutoulang Town, Songshan District, Chifeng City, Inner Mongolia Autonomous Region. Ma Yinyu serves as its legal representative.  

Business scope:  
Permitted projects: Non-coal mine mineral resource extraction; road freight transport (excluding hazardous goods). (Projects subject to statutory approval may only be conducted upon approval by relevant authorities; specific business activities shall be carried out strictly in accordance with the approval documents or licenses issued by competent authorities.)  
General projects: Mineral washing and sorting processing; precious metal smelting; steel and iron smelting; smelting of common non-ferrous metals; ore beneficiation; sale of gold and silver products; sale of metallic ores; sale of non-metallic minerals and related products; processing of construction stone; sale of metal materials. (Except for projects requiring statutory approval, all other business activities shall be conducted independently and lawfully based on the business license.)  

Chifeng Chaihulanzi Gold Mining Co., Ltd. holds equity investment in one external company. Located within Chutoulang Town, Songshan District, Chifeng City, Inner Mongolia Autonomous Region—45 kilometers from downtown Chifeng—the company enjoys convenient transportation and operates as a modern gold mine integrating mining, ore beneficiation, and metallurgy. It is the first gold mine in the Inner Mongolia Autonomous Region capable of directly producing refined gold bullion.  

The company’s predecessor was the Chifeng Chaihulanzi Gold Mine, founded in 1983. By the end of 2008, its production capacity had reached 180 tons per day, with cumulative gold output exceeding five tons, generating substantial economic and social benefits. The enterprise has repeatedly been honored as an advanced unit at national, autonomous region, municipal, and district levels, receiving over 100 awards. In December 2008, after Shandong Gold Mining Co., Ltd. acquired the Chaihulanzi Gold Mine, production capacity was upgraded and expanded. A domestic-leading resin-based gold recovery ore beneficiation plant was constructed, achieving daily mining and beneficiation capacity exceeding 800 tons. Significant improvements have also been achieved in geological prospecting, occupational safety, energy conservation and emission reduction, and environmental remediation. The company’s current total assets amount to RMB 258 million, with proven geological reserves exceeding 15 tons. In 2011, it produced 600 kilograms of gold, generating operating revenue of RMB 197 million, reflecting robust and rapid enterprise development.  

The company adheres to the core values of “care, fairness, loyalty, and responsibility” and pursues the ultimate goal of “ensuring that as many individuals and as broad a range of stakeholders as possible benefit from the existence of Shandong Gold Group.” Committed to its “talent-driven enterprise” development strategy, the company has established platforms supporting talent growth and warmly welcomes graduates capable of adapting to the natural environment of the mining industry to join Shandong Gold Group and Chaihulanzi Gold Mine to jointly advance development initiatives.

Bingshan Sonyo Compressor (Dalian) Co., Ltd. (English name: Sonyo Compressor (Dalian) Co., Ltd.; Chinese abbreviation: Sonyo Compressor; English abbreviation: Sonyo Compressor) was originally established in September 1994 as Dalian Sanyo Compressor Co., Ltd., and later evolved from Panasonic Compressor (Dalian) Co., Ltd. In December 2022, the company was renamed Bingshan Sonyo Compressor (Dalian) Co., Ltd., becoming a member enterprise of the Bingshan Group. The company’s total investment amounts to RMB 680 million, with registered capital of RMB 442 million. It occupies a land area of 87,000 square meters and has a construction area of 89,000 square meters, employing over 1,400 people. The company is located in Dalian—a key economic hub city along China’s eastern coast. Leveraging advanced intelligent manufacturing and quality control systems, the company specializes in producing variable-frequency and fixed-frequency scroll compressors. Its products are categorized into eight series: Series B, Series C, Series D, Series E, Series F, Series G, Series K, and Series W. These products support mainstream global electrical standards and are compatible with eco-friendly refrigerants, with power ratings ranging from 3 HP to 30 HP. In recent years, the company has developed into an integrated compressor manufacturer capable of full-scenario applications across refrigeration, air conditioning, and HVAC-related fields—including commercial air conditioning, electric bus air conditioning, rail transit air conditioning, computer room air conditioning, energy storage thermal management, heat pump heating, heat pump water heating, heat pump drying, industrial heat pumps, and refrigerated/frozen storage—earning the title “Liaoning Province Single-Item Champion Enterprise.” Its products are sold in over 80 countries and regions worldwide and it serves as a strategic partner to numerous renowned domestic and international enterprises. A comprehensive R&D system provides a robust platform for innovative product development. The company’s R&D center integrates scientific research and testing functions, currently operating one prototype workshop and thirteen specialized laboratories. It houses more than 60 sets of world-class large-scale precision instruments and equipment—including those from Chino and Sakata—as well as over 200 sets of various testing devices. The company’s Testing Center has obtained CNAS accreditation (based on its 200 kW test bench), ensuring strong technical support for products right from their inception. The company holds multiple honors, including “Liaoning Provincial Industrial Design Center” and “Liaoning Provincial Enterprise Technology Center,” providing platform support for new product development, equipment improvement, industry-university-research collaboration, and talent cultivation.

Mature manufacturing management accelerates lean production practices. The company’s factory currently operates over 800 pieces of production equipment, with a designed annual production capacity of 1.6 million units. Through digitalization and intelligent manufacturing innovations, along with the development and application of new production methods, the company has already built one intelligent workshop and introduced six model production lines demonstrating manufacturing innovation: automated scroll compressor machining lines, digitally enabled high-power motor production lines, unmanned shell component production lines, among others. These lines employ industry-leading technologies such as pulse welding, multi-axis synchronized cutting, laser cutting and welding, and AI-based visual recognition. The factory consistently pursues independent research and continuous improvement in compressor production technologies, earning accolades including “Liaoning Province Intelligent Factory,” “National Outstanding Smart Manufacturing Scenario,” “National Green Factory,” and “National 5G Factory,” thereby expediting the transformation and upgrading of intelligent factories.

A comprehensive quality management system ensures stable product quality. Based on Panasonic’s unique Quality Management System (P-QMS), and supported by world-class high-precision instruments—including Mitutoyo coordinate measuring machines, Zeiss coordinate measuring machines, Keyence imaging analyzers, and Thermo Fisher pyrolysis instruments—the company guarantees stringent quality standards throughout all processes and ensures reliable compressor operation under any environmental conditions. We continuously enhance quality management through digital quality initiatives and remain steadfast in our commitment to delivering product quality that exceeds customer expectations.

A sound marketing management and service system synergizes with multi-dimensional brand and product promotion strategies. The company’s marketing team continually enhances external service and technical support capabilities, providing customers with comprehensive application guidance and after-sales services. Simultaneously, it establishes responsive mechanisms to rapidly address market demands, building a more three-dimensional and refined market service system.

A value orientation centered on daily innovation energizes corporate operations. Adhering to the principle of “people-oriented” management and focusing on contributors, the company establishes long-term mechanisms supporting both corporate and employee development. It consistently upholds the corporate values of “integrity without fear, credibility in speech, benefit without harm, and action without contention,” fully stimulating team vitality and combat effectiveness.

Dalian BingShan Refrigeration & Heating Technology Co., Ltd. (formerly Dalian Refrigeration Co., Ltd.) is the core enterprise of Dalian BingShan Group Co., Ltd., a leading enterprise in China’s refrigeration industry. Founded in 1930, the company was listed on the Shenzhen Stock Exchange in 1993, becoming the first refrigeration industry enterprise to be listed in China. (Stock abbreviation: BingShan Refrigeration & Heating; Stock code: 000530; 200530)

The company currently operates two industrial parks—in Dalian and Wuhan—and is recognized as a demonstration enterprise for standardized manufacturing of high-end equipment, a demonstration enterprise for standardized cold/heat services, a national demonstration enterprise for technological innovation, and a Liaoning Province intelligent manufacturing demonstration base. It has been awarded the Liaoning Provincial Governor’s Quality Award Gold Prize.

Focusing on cold/heat technologies, the company covers the temperature range from –272°C to 430°C. Leveraging its comprehensive cold/heat industry chain, value chain, and ecosystem, it achieves thermal balance and digital empowerment. In fields including industrial refrigeration/heating, commercial freezing/refrigeration, air conditioning and environmental control, engineering and services, and new energy, the company provides innovative cold/heat products, engineering solutions, and full-lifecycle services—from inception to end-of-life. Through its BingShan Deep Enthalpy Energy System Solutions, the company meets customers’ personalized, professional, and customized cold/heat requirements, pioneers new supply paradigms in the cold/heat sector, and creates new value for customers.

After the reorganization of Ansteel and Benxi Iron and Steel Group in 2021, Benxi Iron and Steel Group officially became a second-tier subsidiary controlled by Ansteel Group. Benxi Iron and Steel (Group) Equipment Engineering Co., Ltd. (hereinafter referred to as “Equipment Engineering” or “the Company”) is affiliated with Ansteel Group Benxi Iron and Steel Group Co., Ltd. and is a controlled subsidiary under Benxi Iron and Steel Group. The Company’s registered capital is RMB 100 million. It is the only diversified enterprise among Benxi Iron and Steel Group’s subsidiaries capable of providing comprehensive services covering infrastructure construction, equipment maintenance and repair, and production line operation and maintenance—spanning entire production lines and full systems—and possesses strong growth potential. Established in March 2022, the Company was formed through the integration of Benxi Iron and Steel Construction Company (its predecessor being Benxi Iron and Steel Civil Engineering Construction Company, founded in December 1958) and Benxi Iron and Steel Electromechanical Installation Engineering Company (its predecessor being the 24th Regiment of the Third Branch of the People’s Liberation Army Base Construction Engineering Corps, founded in May 1983). To further build a market-oriented, professional, and scaled intelligent equipment inspection, maintenance, and repair enterprise covering all directions, the Company absorbed Benxi Iron and Steel Equipment Maintenance and Repair Center in December 2023, thus accumulating stronger advantages and new impetus for high-quality development.

I. Core Business and Products  

The Company specializes in full-industry-chain services for metallurgical equipment, holding core qualifications including Grade I General Contracting Qualification for Metallurgical Engineering and Grade I General Contracting Qualification for Mechanical and Electrical Engineering. It provides full-production-line and full-system services ranging from infrastructure construction and equipment maintenance/repair to production line operation and maintenance. Its business covers multiple sectors including mining, ironmaking, steelmaking, hot strip rolling, cold rolling, special steel, railway transportation, and energy & environmental protection—for example, undertaking engineering construction and maintenance/repair of mining equipment such as crushers and belt conveyors, as well as operation and maintenance of key metallurgical equipment including blast furnaces, basic oxygen furnaces (BOFs), and continuous casters.  

1. Mining Equipment  

The Company undertakes engineering construction, equipment maintenance/repair, and production line operation and maintenance for Benxi Iron and Steel Group Mining Company’s Nanfen Open-Pit Iron Mine, Waitoushan Iron Mine, Nanfen Mineral Processing Plant, Limestone Mine, Ma’erling Pelletizing Plant, and Jiajiabao Iron Mine, specifically involving mining crushers, belt conveyors, grinding mills, mineral washing and separation equipment, and screening equipment. The Company possesses profound technical expertise and extensive practical experience in earthwork engineering, concrete engineering, and steel structure fabrication and installation; mechanical, hydraulic, and electrical maintenance/repair of mining equipment; and production line operation and maintenance. Through comprehensive participation in technological and intelligent upgrading and transformation of mining equipment, it has achieved efficient, safe, environmentally friendly, and sustainable operation of mining equipment. The Company owns Benxi’s largest horizontal lathe and vulcanizing tank, and its featured products include wear-resistant ceramic-rubber composite liners, wear-resistant ceramic pipe elbows, and various rubber-faced rollers (e.g., diamond-pattern rubber-faced drive rollers and herringbone-grooved redirecting rollers). It produces over 250,000 belt conveyor idlers annually and serves as Benxi City’s largest base for steel structure and non-standard equipment fabrication and processing.  

2. Ironmaking Equipment  

Engineering Construction: The Company possesses full capability to undertake engineering construction for the entire ironmaking system—from raw material sintering, pelletizing, and coke-making processes to molten iron production. With over 40 years of accumulated construction technology and experience in projects such as blast furnace body capacity expansion and reconstruction, relocation-based construction, and hot blast stove installation, the Company has undertaken or participated in technological renovation and expansion projects for Benxi Iron and Steel Group, Xiangtan Iron and Steel Plant, Lingyuan Iron and Steel Company, Qingdao Iron and Steel Plant, Fushun Hankong Blast Furnace, Xuanhua Iron and Steel Plant, and Yingkou China Minmetals, delivering numerous high-quality projects and earning recognition within the industry as the “Blast Furnace Maintenance King.”  

3. Steelmaking Equipment  

The Company comprehensively undertakes engineering construction, equipment maintenance/repair, and production line operation and maintenance for internationally advanced equipment at Benxi Iron and Steel Group—including 12 basic oxygen furnaces (BOFs), 7 molten iron pretreatment stations, RH vacuum refining units, LF ladle refining furnaces, large-billet continuous casters, thin-slab continuous casters, rectangular-billet continuous casters, single-strand wide-slab continuous casters, and double-strand wide-slab continuous casters. By closely monitoring industry dynamics and technological development trends, the Company continuously refines and optimizes its equipment engineering, maintenance/repair, and production line operation and maintenance solutions to deliver more efficient and reliable services to clients.  

4. Hot Strip Rolling Equipment  

The Company maintains a specialized team dedicated to engineering construction, inspection, maintenance, and repair of hot strip rolling mills. Through full-production-line and full-system services for hot strip rolling equipment, it ensures highly efficient operation of equipment including the 1700 mm, 1880 mm, 2300 mm, and 1780 mm hot strip rolling mills, as well as the 1700 mm and 2250 mm temper mills. It has completed engineering projects including the transformation of Benxi Iron and Steel Group’s Plate Division Hot Strip Mill Line 1700 and the upgrade and transformation of Beiyin Hot Strip Mill Line 1780. Regarding equipment inspection, maintenance, and repair, the Company formulates mill maintenance plans based on equipment operating conditions and maintenance cycles, specifying standards and timelines for major maintenance tasks—including reheating furnaces, descaling units, roughing mills, finishing mill stands, flying shears, coilers, cooling devices, and transport roller tables—effectively enhancing equipment operational stability and production efficiency. Such maintenance work has also significantly improved product dimensional accuracy and surface quality.  

5. Cold Rolling Equipment  

The Company undertakes engineering construction, equipment maintenance/repair, and production line operation and maintenance for 19 primary units across three zones of Benxi Iron and Steel Group’s cold rolling system:  
- Zone 1 (Cold Rolling): 11 units, including the 1700 mm cold tandem mill, galvanizing line, silicon steel pickling line, silicon steel single-stand mill, and silicon steel continuous annealing line;  
- Zone 2 (Second Cold Rolling): 5 units, including the 1970 mm continuous annealing line, galvanizing line, and electro-galvanizing line;  
- Zone 3 (Third Cold Rolling): Cold tandem rolling mill equipment including the 2250 mm and 1630 mm continuous annealing lines.  

6. Special Steel Equipment  

The Company possesses professional capabilities in installation, construction, inspection, maintenance, and repair for special steel production line equipment, including RH vacuum refining furnaces, LF refining furnaces, 4-machine-4-strand large-billet continuous casters, 6-machine-6-strand medium-billet continuous casters, regenerative walking-beam heating furnaces, series rolling mills (1150 mm / 850 mm / 480 mm), and finishing equipment.  

7. Railway Transportation Lines  

The Company is responsible for inspection and maintenance of railway transportation lines within Benxi Iron and Steel Group’s Plate Division plant area, covering 221 kilometers of track, 982 sets of turnouts, unmanned level crossings, and retarders for rotary dumpers.  

Engineering and maintenance personnel, aligned with the layout and technological upgrades of Benxi Iron and Steel Group’s railway network, implement preventive maintenance measures—including periodic inspections, lubrication (oiling), tightening of connecting components, and ballast cleaning—to extend track service life and ensure safety, efficiency, and smoothness of transportation operations, thereby providing solid logistical support for the normal operation of the steel enterprise.  

8. Energy and Environmental Protection Equipment  

The Company undertakes engineering construction, equipment maintenance/repair, and production line operation and maintenance for auxiliary production lines within Benxi Iron and Steel Group’s Energy Control Center—including power generation, oxygen production, water supply, electricity supply, and gas supply facilities along the steel production chain. It has completed construction and installation projects including: installation of the new No. 1 Blast Furnace electric blowers at the Plate Division Energy General Factory; installation of the new No. 1 Blast Furnace TRT power generation unit; installation of the No. 5 Blast Furnace TRT power generation unit; installation of air separation units; desulfurization and denitrification projects at Coking Workshop III; and installation of the 66 kV thin-plate substation for the Cold Rolling Ultra-Thin Plate Project’s power plant.  

Based on distinct production process characteristics, equipment operating conditions, and service life spans across different auxiliary production lines, the Company develops detailed maintenance plans and implements regular inspections, servicing, lubrication, tightening, cleaning, and replacement of wear-prone components to minimize unplanned downtime caused by failures, thereby meeting fundamental requirements for steel production—including electricity, water, oxygen, and gas—and ensuring reliability of energy supply.

Beijing Qingxin Environment Energy-Saving Technology Co., Ltd. (headquartered in Beijing) is a national high-tech enterprise specializing in comprehensive industrial low-carbon environmental protection services. It was listed on the Shenzhen Stock Exchange in 2011 (stock code: 002573). Having evolved from an early flue gas treatment engineering contractor, the company has become a full-lifecycle solution provider covering technology R&D, core equipment manufacturing, EPC general contracting, concession-based operation, and digital platform services. As of the end of 2024, its total assets amounted to RMB 16.23 billion, with approximately 2,800 employees and over 60 wholly owned and controlled subsidiaries.  

The company’s core business focuses on ultra-low emission retrofits and deep pollution control for energy-intensive industries—including coal chemical, petrochemical, iron & steel, and cement sectors—while simultaneously expanding into environmental protection facilities supporting new energy development, integrated energy services for industrial parks, and carbon asset management. Its core technological capabilities include independent process package development and large-scale application: for example, the Single-Tower Integrated Desulfurization and Dust Removal Deep Purification Technology (SPC-3D) has been applied to over 200 domestic coal-fired power units rated at 300 MW or above, achieving SO₂ emissions <10 mg/Nm³ and particulate matter emissions <3 mg/Nm³; its Dual-Zone Coupled SCR denitrification technology and low-temperature synergistic catalytic oxidation technology for VOCs treatment have demonstrated proven engineering implementation capability. The company holds Class-A specialized design qualification for environmental engineering (atmospheric pollution control), Grade-I professional contracting qualification, and the “Environmental Pollution Control Facility Operation Qualification” (Class-A for atmospheric pollution control); it is certified under ISO 9001/14001/45001 integrated management systems and recognized as a National Enterprise Technology Center.  

Representative projects include the full-process ultra-low emission project for HBIS Group’s Tangshan New District (covering sintering, pelletizing, coking, and precision desulfurization of blast furnace gas across all production stages), the ultra-low emission retrofit for China Huaneng Group’s Yuhuan Power Plant (four 1,000-MW units), and the flue gas treatment EPC project for Indonesia’s Java-7 Power Plant (two 1,050-MW coal-fired units). In 2024, overseas revenue accounted for 8.6% of the company’s total revenue. Projects span Vietnam, Pakistan, Bangladesh, the United Arab Emirates, and preliminary technical adaptation studies for NEOM City in Saudi Arabia. Core equipment has obtained EU CE certification and ASME pressure vessel certification (USA), supporting technology licensing plus engineering implementation, consortium-based cooperation, and cross-border EPC delivery.

Beijing Qingxin Environment Technology Co., Ltd. (Securities Abbreviation: Qingxin Environment; Securities Code: 002573.SZ), headquartered in Beijing and established in 2001, is currently a mixed-ownership listed company under state-owned control, affiliated with Sichuan Development (Holdings) Co., Ltd. (Stock Code: 002573). The Company focuses on water services investment and operations, industrial flue gas treatment, and energy services, while actively developing high-end energy-saving and environmental protection equipment manufacturing. It is an integrated environmental protection service group encompassing technology R&D, operation and maintenance services, equipment manufacturing, engineering design, and construction. As of now, Qingxin Environment’s total assets amount to RMB 25 billion. The Company holds a National Enterprise Technology Center, a Postdoctoral Research Workstation, and multiple experimental bases; it employs over 7,000 industry professionals and operates in more than 10 countries worldwide. It is a national high-tech enterprise specializing in industrial flue gas treatment, energy conservation and carbon emission reduction, resource recycling, and comprehensive ecological environment governance. The Company was listed on the Shenzhen Stock Exchange in 2011 and is currently transitioning from a mature-stage enterprise to an ecological platform enterprise. Its core businesses cover ultra-low emission retrofits and low-carbon synergistic governance for high-energy-consuming industries—including coal chemical, petrochemical, steel, cement, non-ferrous metals, and chemical sectors—while simultaneously expanding into waste and hazardous waste resource utilization, integrated environmental services for industrial parks, full-process CCUS demonstration projects, and carbon asset development. The Company possesses end-to-end service capabilities spanning “technology R&D—equipment manufacturing—engineering implementation—intelligent operation & maintenance—resource utilization.” Its independently developed SPC-3D cyclonic atomization high-efficiency desulfurization and dust removal integrated technology and SPR single-tower integrated desulfurization and dust removal deep purification technology have been successfully applied to over 300 coal-fired power generating units rated at 300 MW or above nationwide; among these, the SPC-3D technology has been included in the National Development and Reform Commission’s “Green Technology Promotion Catalog (2024 Edition).” A 300,000-ton-per-year steel slag micro-powder production line has been constructed, establishing a technological core based on “physical-chemical synergy—intelligent control—resource regeneration,” and leveraging the “Qingxin Cloud” intelligent environmental protection platform, the Company has achieved an 8%–12% reduction in desulfurization system energy consumption and minute-level operational response times. The Company holds Class-A qualification for specialized design of environmental engineering (atmospheric pollution control engineering), Grade I qualification for professional contracting of environmental engineering, Special Equipment Production License (Pressure Piping GC1 and GB1 categories), and Level IV license for installation (maintenance/testing) of electric power facilities. It is certified under ISO 9001/14001/45001 management systems and was recognized by the Ministry of Industry and Information Technology in 2023 as a “Green Manufacturing System Solution Provider.” Representative projects include the ultra-low emission retrofit of four 1,000-MW units at Huaneng Yuhuan Power Plant; the EPC project for comprehensive flue gas treatment of the sintering machine at HBIS Group’s Handan New Area; the BOT project for hazardous waste disposal center at Sichuan Yibin Lithium Battery Materials Industrial Park; and the 150,000-ton-per-year CO₂ capture plus geological storage monitoring full-process CCUS demonstration project at the Ordos Coal Chemical Industrial Park in Inner Mongolia. Internationally, flue gas treatment EPC and O&M services have been implemented in Vietnam, Indonesia, and the United Arab Emirates. Overseas revenue accounted for 6.3% of total revenue in 2025. As the Chinese lead entity, the Company participated in drafting the ISO/TC 265 Draft International Standard No. 47, “Guidelines for Monitoring Technologies for Geological Storage of CO₂.” Currently, its international business primarily involves EPC general contracting and technical service exports. Publicly available information does not indicate substantive commercial implementation of its technologies in the EU’s Carbon Border Adjustment Mechanism (CBAM) or the U.S. Section 45Q program, nor does it show any overseas production bases or registered controlled subsidiaries.

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.

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.

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.