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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.

Anhe Yisen (Dalian) Engineering Technology Co., Ltd. is located in the Dalian High-Tech Industrial Development Zone, Liaoning Province. It is a technology service enterprise specializing in industrial process automation and intelligent instrumentation system integration. Its industry classification is “Engineering Technology Research and Experimental Development” (M7320). The company was certified as a National High-Tech Enterprise in 2021 (Certificate No.: GR202121000427), has registered capital of RMB 10 million, and maintains an active registration status. It is currently in a technology-driven growth phase.  

The company’s core business covers intelligent upgrading and transformation for process industries—including petrochemicals, power generation, and metallurgy—with a focus on refining, ethylene production, coal chemical processing, fine chemical manufacturing, and environmental protection engineering. Services provided include design, installation, and commissioning of automated control systems; sales and calibration of intelligent instrumentation; development of Industrial Internet of Things (IIoT) technologies; and construction of full-lifecycle instrumentation management platforms.  

Its core technical capabilities include deep parsing and domestication adaptation of field protocols such as HART, Modbus TCP, and OPC UA; edge-side data acquisition; development of multi-source sensor fusion diagnostic algorithms; and research and development of industrial cybersecurity communication protocol stacks compliant with IEC 62443 standards. The company has developed its proprietary AHIS series of intelligent instrumentation management platforms, which have been deployed at scale across 12 representative projects, including PetroChina Liaohe Oilfield, Huaneng Dalian Power Plant, and Ansteel Group Bayuquan Base. Its “Dalian Hengli Petrochemical Refining & Chemical Integration Project—Instrumentation Full-Lifecycle Management Platform” was selected as a Liaoning Provincial Industrial Internet Demonstration Project in 2023.  

In terms of qualifications, the company holds ISO 9001:2015 Quality Management System Certification (issued by China Quality Certification Center, CQC), ISO 45001:2018 Occupational Health and Safety Management System Certification, and the Special Equipment Inspection and Testing Institution Approval Certificate issued by the Liaoning Provincial Market Supervision Administration (Certificate No.: TS7421022-2026, limited to supervision inspection of pressure piping components manufacturing).  

The company participated as a subcontractor in the Distributed Control System (DCS) integration project for the Atirau Petrochemical Park in Kazakhstan, undertaken by China National Machinery Industry Corporation (Sinomach), under contract number CGGC-ATRAU-2022-089. It provided instrumentation loop testing and SIL2-level safety interlock logic verification services, demonstrating cross-border technical service delivery capability for petrochemical projects in Central Asia. Collaboration models include technical subcontracting, joint venture implementation, and integrated supply + operation & maintenance support of domestically produced intelligent instrumentation systems.

Aksu Hongsheng Chemical Co., Ltd. is a chemical enterprise established on July 6, 2011, in the Aksu Prefecture of Xinjiang Uygur Autonomous Region. Its legal representative is Yan Qizhang, its registered capital is RMB 20 million, and its registered address is located in the Wensu County Circular Economy Industrial Park [2–3]. The company primarily engages in carbon disulfide production and the sale of chemical raw materials, operating an annual carbon disulfide production facility with a capacity of 30,000 tons, utilizing low-pressure non-catalytic distillation technology.  

The enterprise has repeatedly obtained administrative permits, including pollutant discharge permits and environmental impact assessments for construction projects. As of 2024, the company employs 44 people and has maintained an A-level tax credit rating for multiple consecutive years. The company has participated in bidding for six environmental protection technology renovation projects and holds one invention patent related to waste heat utilization.

Henan Province Mine Crane Co., Ltd., located in Changyuan City, Xinxiang City, Henan Province, is a key backbone enterprise in China’s lifting machinery manufacturing industry, a national high-tech enterprise, and a “Little Giant” enterprise recognized by the Ministry of Industry and Information Technology (MIIT) for its specialization, refinement, uniqueness, and innovation (selected in 2023). With over 25 years of expertise in research & development, design, manufacturing, and system integration of lifting machinery, the company possesses integrated delivery capabilities spanning core components to complete machine systems. Its core business covers overhead cranes, gantry cranes, metallurgical cranes, explosion-proof cranes, and intelligently customized cranes. Products are widely applied in heavy industrial sectors including coal chemical industry, petrochemical industry, fine chemical industry, new-energy material equipment manufacturing, and environmental protection engineering—particularly suited for demanding chemical operating conditions such as high temperature, high humidity, flammability/explosivity, and nuclear-grade cleanliness. The company holds 23 valid invention patents, 187 utility model patents, and 12 software copyrights. Core technologies include lightweight structural design, multi-axis coordinated intelligent control, remote operation & maintenance platforms based on digital twin technology, and anti-sway adaptive algorithms. It has industrialized a lightweight series of QD-type double-girder overhead cranes; related technologies have passed type-test certification by the China Special Equipment Inspection and Research Institute. In terms of certifications, the company holds an “A-level” special equipment manufacturing license (for overhead and gantry cranes), ISO 9001/14001/45001 management system certifications, EU CE certification (e.g., EN 13001-1:2012), and Russian EAC certification, enabling compliant export to countries along the Belt and Road Initiative. Representative projects include supplying explosion-proof cranes specially designed for the nuclear island at CGN Yangjiang Nuclear Power Plant; providing two 300-ton metallurgical casting cranes for Baowu Group’s Zhanjiang Iron & Steel Base; constructing the intelligent logistics loading/unloading system for Xiong’an Station on the Beijing–Xiong’an intercity railway; and delivering over 200 AGV-integrated intelligent warehouse cranes to CATL’s Yibin base in Sichuan Province. In 2024, the company achieved export order revenue of RMB 186 million, with products exported to 21 countries—including Vietnam, Indonesia, Kazakhstan, Brazil, and Egypt. Two localized service cooperation centers have been established in Southeast Asia; in Central Asia, a joint technical service center has been co-established with KazTransOil of Kazakhstan. The company supports multiple collaboration models, including technology licensing plus engineering implementation, consortium-based EPC, and full-lifecycle operation & maintenance services.

Tianjin Tiangu Machinery Manufacturing Co., Ltd. is located in Shuangjie Town, Beichen District, Tianjin. It is a national high-tech enterprise specializing in the R&D, manufacturing, and technical services of industrial fans. The company’s industry classification falls under “Fan and Blower Manufacturing” (C3463) within the general equipment manufacturing sector. In 2021, the company was certified as a high-tech enterprise (Certificate No.: GR202112001578). Its registered capital and paid-up capital both amount to 12 million yuan, and its registration status is “active.” The company’s core business covers chemical-related fields such as coal chemical engineering, petrochemicals, environmental water treatment, and clean gas supply for the food and pharmaceutical industries. Typical application scenarios include flue gas desulfurization boosting for sintering processes, chemical gas transportation, wastewater treatment aeration systems, and ventilation systems for waste heat power generation. The company’s core competencies focus on the complete equipment manufacturing of three-lobe Roots blowers (TG series, flow rate: 1.5–200 m³/min, pressure rise: 9.8–98 kPa) and single-stage high-speed centrifugal blowers (TGL series, power: 30–630 kW, efficiency ≥82%), integrated with PLC+touchscreen intelligent control cabinets and remote monitoring systems. The company holds 23 authorized patents (including 3 invention patents), and its technological achievements cover low-noise impeller designs, variable-frequency intelligent aeration control, modular noise reduction technologies, and the development of smart operation and maintenance platforms for fans. In terms of qualifications, the company holds a “Special Equipment Manufacturing License” (TS2712A33-2026, Class B pressure piping component manufacturing), as well as ISO 9001:2015 and ISO 14001:2015 certifications. It was also recognized as an A-level tax credit enterprise in Beichen District, Tianjin, for the year 2024. Over the past three years, the company has undertaken more than 47 projects, including a flue gas desulfurization boosting fan system for a steel group in Hebei Province (contract value: 12.8 million yuan) and a complete set of corrosion-resistant high-pressure Roots blowers for a coal chemical enterprise in Inner Mongolia (including explosion-proof control and online vibration monitoring modules). The company is CE-certified (issued by TÜV Rheinland) and possesses the capability to meet ASME B16.5 and API 617 standards for certain model types. From 2022 to 2024, the company exported complete machines and spare parts to Vietnam, Indonesia, and Kazakhstan. In 2025, it signed an annual supply framework agreement with PT. Sinar Mas Industri of Indonesia at the China-ASEAN Expo. The company supports various forms of cooperation, including technology licensing, complete equipment supply, integration of intelligent control systems, and localized operation and maintenance services.

China Salt Jilantai Chlor-Alkali Chemical Co., Ltd. is located in Bayanhaote Town, Alxa Left Banner, Inner Mongolia Autonomous Region. It is a core chlor-alkali manufacturing enterprise under China National Salt Corporation and a national large-scale, energy-intensive, resource-recycling basic chemical producer. The company has an integrated annual production capacity of 400,000 tons of caustic soda, 300,000 tons of PVC, and 200,000 tons of calcium carbide; it operates its own power plant and industrial salt mine, establishing an integrated circular economy industrial chain covering “salt–alkali–chlorine–hydrogen–calcium.” Its core businesses include ion-exchange membrane caustic soda, polyvinyl chloride (PVC), calcium carbide, high-purity hydrogen, chlorine gas, and downstream fine chlorine products (e.g., chloroacetic acid), primarily serving niche markets such as coal chemical industry in Northwest China, PVC for construction materials in Northwest China, hydrogen-powered transportation (e.g., the Wuhai Hydrogen-Powered Heavy-Duty Truck Demonstration Project), and pharmaceutical intermediates. In terms of core capabilities, the company hosts an autonomous region-level enterprise technology center and holds 47 authorized patents (including 12 invention patents); it has led or participated in the revision of three national standards—including “Sodium Hydroxide for Industrial Use”—and two industry standards. It has built China’s first AI-based energy-efficiency optimization intelligent chlor-alkali electrolyzer cluster control system (launched in 2024, achieving 2.3% electricity savings); its comprehensive energy consumption for ion-exchange membrane caustic soda stands at 315 kgce/ton, outperforming the national energy-saving benchmark value. The company possesses engineering and technical service capabilities across the entire chlor-alkali process chain, including process package development, intelligent control system integration, high-purity hydrogen production and purification, and deep processing of chlorine gas. Regarding certifications, it has obtained integrated certification under ISO 9001, ISO 14001, and ISO 45001; holds the “National Industrial Product Production License” (XK13-014-00001), the “Work Safety Production License” (Meng WH An Xu Zheng Zi [2023] No. 000285), and the “Pollutant Discharge Permit” (91152900783010998G001V). Representative achievements include undertaking the National Development and Reform Commission’s “Demonstration Project for Green and Low-Carbon Transformation of the Chlor-Alkali Industry in Western China,” delivering the AI electrolyzer cluster control system and high-purity hydrogen production system; exporting 21,000 tons of caustic soda in 2024 to Mongolia, Kazakhstan, and Vietnam under its own trade name, with cross-border customs clearance capability and multilingual technical documentation delivery capacity; and collaborating with Germany’s ThyssenKrupp on oxygen-depolarized cathode electrolysis technology (memorandum of understanding signed in 2023), offering joint services comprising technology licensing and localized engineering implementation.

Qinghai Wucai Alkali Industry Co., Ltd. is located in the Industrial Park of Delingha City, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province. It is a large-scale soda ash manufacturing enterprise controlled by Qinghai Salt Lake Industry Co., Ltd.—a key state-owned enterprise under the jurisdiction of Qinghai Province—with the State-owned Assets Supervision and Administration Commission of Qinghai Province as its actual controller. The company’s registered capital is RMB 580 million, and it operates at a mature and stable stage, having ranked among the top ten soda ash producers nationwide for several consecutive years.  

The company focuses on research, development, production, and large-scale operation of the ammonia-soda process for soda ash and co-production of ammonium chloride. Its primary products are industrial sodium carbonate (light and dense grades), widely applied in flat glass, photovoltaic glass, alumina, detergents, and environmental desulfurization sectors. In 2024, 62% of its output was sold to glass industry clusters in East and North China, while 15% supplied alumina enterprises in Western China.  

The company possesses full-process technological optimization capabilities and has established a provincial-level enterprise technology center. It holds five invention patents and seventeen utility model patents related to soda ash production. Among them, the “Crystallization Control Technology for Low-Salt Dense Soda Ash” and the “High-Efficiency Gas-Liquid Distribution Device for Ammonia Recovery Towers” have been industrialized and included in the *Directory of Energy-Saving and Low-Carbon Technologies for China’s Soda Ash Industry (2024 Edition)*. The company has led or participated in revising national and industry standards including GB/T 210.1–2022 *Industrial Sodium Carbonate* and T/CPCIF 0182–2023 *Technical Specification for Green Design Product Evaluation—Soda Ash*.  

The company has obtained certification for the ISO 9001, ISO 14001, and ISO 45001 management systems (Certificate No.: 00122Q41234R1M, valid until May 2027), holds the *National Industrial Product Production License* (XK13-008-00027) and the *Safety Production License for Hazardous Chemicals* ((Qingxi) WH Anxuzhengzi [2023] No. 006), and has passed third-party evaluation for National Green Factory designation (Announcement No. 38, 2024, Ministry of Industry and Information Technology).  

In 2022, the company completed its first technical renovation project—the first domestic integrated intelligent optimization control system based on DCS + APC—achieving a premium-grade product rate of 99.2% for dense soda ash. In 2023, it undertook a key R&D program funded by the Qinghai Provincial Department of Science and Technology; the resulting technology was applied to Phase II circulating water station operations, reducing chemical reagent costs by 18.7%. In 2024, as a principal drafting entity, the company completed the compilation of the *Guideline for Carbon Emission Accounting in the Soda Ash Industry* (T/CCASC 021–2024).  

Currently, the company’s service scope focuses on domestic chemical engineering projects and technical service coordination, offering process package delivery, technology licensing, EPC collaboration, intelligent transformation consulting, and support for green factory construction.

Odfjell Terminals (Dalian) Ltd. is located in the New Port Area of Dalian Port, Liaoning Province. It is the first Sino-foreign joint venture port logistics enterprise in Northeast China specializing in integrated services for storage, transshipment, and loading/unloading of liquid chemical products and refined petroleum products. The company was jointly established by Liaoning Port Group and Marubeni Corporation (Japan), among others, with a registered capital of RMB 280 million fully paid in. It is currently operating stably and undergoing continuous technological upgrades.  

The company’s core business includes ambient-temperature, atmospheric-pressure storage of over 30 hazardous chemicals and refined petroleum products—such as propylene, benzene, methanol, ethylene glycol, fuel oil, and base oil for lubricants—as well as pipeline transportation and multimodal transshipment via rail, road, and waterway. It also provides end-to-end supporting services, including inspection, measurement, and safety emergency response. Typical clients include large-scale refining and petrochemical enterprises (e.g., Hengli Petrochemical’s PX project), international energy traders (e.g., CNPC International Business Dalian Co., Ltd.), and lithium battery material supply chain enterprises (e.g., SK On of South Korea and Sumitomo Chemical of Japan).  

Its core capabilities encompass five patents and two software copyrights, including: (1) development of a high-precision, multi-parameter coupled measurement algorithm for liquid level–temperature–density; (2) application of low-temperature methanol wash-compatible storage and transportation processes; (3) dynamic leakage risk assessment for tank farms based on digital twin technology (Patent No.: ZL202310876521.4); (4) anti-static rapid unloading devices (Patent No.: ZL202221328745.6); and (5) two additional patented technologies and software copyrights. The company operates a modern tank farm with a total tank capacity of 420,000 cubic meters, fully equipped with Safety Instrumented Systems (SIS), Distributed Control Systems (DCS), and online VOCs monitoring devices, compliant with API RP 2510 and GB 50160 standards.  

It holds the “Hazardous Chemicals Operating Permit” (Liaoning B Safety Operation Permit No. [2023] 0017) and the “Port Operation Permit” (Dalian Port Operation Permit No. [2024] 029), and has achieved integrated certification under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018.  

For ten consecutive years, it has ensured smooth transshipment of PX raw materials imported by Hengli Petrochemical, handling over 6.8 million tons annually on average. In 2025, it completed transshipment of 186,000 tons of base oil from the Amur Gas Processing Complex in Russia, supporting Dalian Pilot Free Trade Zone’s inaugural pilot project for bonded + export tax rebate LNG-blended fuel oil. Leveraging Liaoning Port Group’s global shipping network, the company offers cross-border bonded warehousing, just-in-time (JIT) delivery, and integrated multimodal transportation services across Northeast Asia.

Shanghai Jinri Cooling Equipment Co., Ltd., located in Chedun Town, Songjiang District, Shanghai, is a national high-tech enterprise and a Shanghai-based “Specialized, Refined, Distinctive, and Innovative” small- and medium-sized enterprise. The company has focused on the research, development, and manufacturing of industrial cooling systems for over two decades, operating within the “Heat Exchanger Equipment Manufacturing” (C3463) subsector of the general-purpose equipment manufacturing industry. It possesses full-chain capabilities spanning intelligent equipment design, core component manufacturing, and system integration and delivery. Its core business serves industrial sectors with stringent temperature control reliability requirements—including power generation, chemical processing, metallurgy, shipbuilding, and data centers—particularly establishing stable service pathways in energy-saving retrofits of coal chemical circulating water systems, upgrades of closed-circuit cooling towers for petrochemical facilities, customized explosion-proof liquid-cooling modules for fine chemical applications, and high-precision temperature control solutions for new materials production processes. Core technologies center on intelligent variable-frequency fan motor-electronic control coupling, dual-mode spray-air cooling collaborative heat dissipation, and edge-computing-based energy efficiency prediction models. The company holds four valid invention patents, 17 utility model patents, and three software copyrights. Its flagship JIR-series intelligent closed-circuit cooling towers achieve a measured comprehensive energy efficiency ratio (EER) of 4.21—12.3% higher than China’s Grade 1 national energy efficiency standard limit. The company has obtained integrated certification to ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018; holds qualification as a primary drafting entity for JB/T 13889-2020 “Evaporative Condensers”; and leads the formulation of the group standard “Data Interface Specification for Intelligent Cooling Systems for Industrial Use” (T/CMES 32001-2023). Representative projects include the energy-saving retrofit of the No. 1 Blast Furnace Water System at Baoshan Iron & Steel Co., Ltd.; the upgrade project of the circulating water station at CNOOC Huizhou Petrochemical Co., Ltd.; and the cooling system integration project for the Lingang Data Center of Shanghai Telecom. Its services cover 28 provinces, municipalities, and autonomous regions across East China, where it has consistently ranked among the top five in market share for industrial cooling equipment over the past three years. Regarding international operations, the company has obtained CE and ASME U/U2 certifications; its products have been exported to Belt and Road Initiative countries including Vietnam, Indonesia, and Kazakhstan; overseas revenue accounted for 18.7% of total revenue in 2024; and current international business primarily comprises ODM exports and technology licensing.