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Inner Mongolia Zhongmei Yuanxing Energy Chemical Co., Ltd. is a controlled subsidiary of China Coal Group, jointly established by China Coal Energy Co., Ltd. (601898.SH/01898.HK) and Inner Mongolia Yuanxing Energy Co., Ltd. (000683.SZ). It is positioned as a modern coal chemical and clean energy comprehensive utilization enterprise using natural gas as its feedstock, falls under the chemical raw materials and chemical products manufacturing industry, and serves as the implementing entity for a regional demonstration project supported by the State’s “Innovation-Driven Development Layout Plan for the Modern Coal Chemical Industry.” The Company’s core business encompasses the production and sales of ammonia, urea, methanol, liquefied natural gas (LNG), and co-produced hydrogen. Its key facilities include an annual production capacity of 300,000 tons of ammonia, 520,000 tons of urea, 200,000 tons of methanol, and an integrated LNG co-production project, which commenced operations in 2013. Its technological route employs an energy-saving ammonia synthesis process jointly developed by East China University of Science and Technology and Sinopec Ningbo Engineering Co., Ltd., as well as the HT-L pulverized coal gasification technology developed by Aerospace Long March Chemical Engineering Co., Ltd.; over 95% of its critical equipment is domestically manufactured. The enterprise holds valid permits for hazardous chemical safety production, pollutant discharge, and water withdrawal, as well as ISO 9001:2015 quality management system certification; it has also achieved integrated certification under ISO 14001:2015 environmental management system and ISO 45001:2018 occupational health and safety management system. Additionally, it owns patents including the invention patent “Method for Treating Low- and Medium-Pressure Stripping Waste Liquid in Urea Production” and multiple utility model patents. Its products strictly comply with national standards GB/T 2440–2017 (Urea) and GB 338–2021 (Methanol), and have consistently been reported as qualified in the Inner Mongolia Autonomous Region’s key industrial product quality supervision and inspection for multiple consecutive years. In 2023, urea output reached 486,000 tons, primarily supplied to spring farming markets in Northeast, North, and Northwest China, with customers including Sinofert Holdings Ltd., Yuntianhua Agricultural Materials Co., Ltd., and Inner Mongolia Supply and Marketing Cooperative Agricultural Materials Chain Co., Ltd.; methanol was sold to formaldehyde and acetic acid producers in Shaanxi and Ningxia provinces. The enterprise’s business is concentrated in northern China’s major agricultural regions and the coal-chemical industrial chain of Inner Mongolia, Shaanxi, and Ningxia. It is currently participating in preparatory work for Ordos City’s pilot project on “green electricity-based hydrogen production coupled with coal chemical industry,” and is open to cooperation in areas such as fertilizer supply security, chemical raw material supply, collaborative development of clean energy, and green technological upgrading of coal chemical enterprises.

Inner Mongolia Yihua Chemical Co., Ltd. is a large-scale chlor-alkali chemical and circular economy demonstration enterprise controlled by Hubei Yihua Group. Leveraging the resource endowments of the western Inner Mongolia region, the company has established an integrated circular economy industrial chain covering “coal → electricity → calcium carbide → PVC → cement made from calcium carbide slag.” Its core businesses include calcium carbide, polyvinyl chloride (PVC), caustic soda, industrial gases (nitrogen, oxygen, acetylene), and new dry-process cement manufactured from calcium carbide slag. Its products comply with the “Top Grade” standard specified in GB/T 5761–2018; some SG-5 grade PVC resins have obtained green product certification from the China Petroleum and Chemical Industry Federation. Relying on energy-saving enclosed calcium carbide furnaces, ion-exchange membrane electrolytic cells for caustic soda production, and suspension polymerization technology for PVC, over 95% of key equipment is domestically manufactured, and 100% automation control has been achieved for core processes, with Distributed Control Systems (DCS) covering all major production units across the plant. The company holds the “National Industrial Product Production License” (XK13-014-00087), is certified under ISO 9001, ISO 14001, and ISO 45001 management systems, and has been recognized as a Level-II enterprise for safety production standardization. It operates an enterprise-level technology center designated by the Inner Mongolia Autonomous Region and, over the past three years, has been granted 12 utility model patents. It participated in revising the industry standard “Green Factory Evaluation Requirements for Calcium Carbide Industry” (HG/T 6155–2023); its technology for producing high-activity blended materials from calcium carbide slag has been included in the “National Key Energy-Saving and Low-Carbon Technology Promotion Catalog (2023 Edition).” The company has completed a solid waste co-processing project utilizing calcium carbide slag to produce cement at an annual capacity of 2 × 600,000 tons, replaced the DCS system in its PVC polymerization workshop with domestically produced equivalents, and is conducting preliminary work for a demonstration project integrating green electricity with chlor-alkali production. Its products primarily serve downstream industry customers—including building materials, profiles, and piping—in North China, Northwest China, and Southwest China, providing stable, reliable chemical raw materials and comprehensive solutions targeting circular economy upgrading, application of energy-saving and low-carbon technologies, collaborative development along the chlor-alkali industrial chain, and supporting green building materials.

Inner Mongolia Qinghua Group Tengger Coal Coking Co., Ltd. is a core enterprise under Inner Mongolia Qinghua Group Co., Ltd., primarily engaged in coal coking. It serves as a pivotal link—connecting upstream and downstream operations—in the Northwest Region’s circular economy industrial chain of “coal–coke–chemicals–power generation–building materials.” The company’s main business includes coke production (annual capacity: 2.2 million tons), alongside comprehensive recovery and integrated utilization of coking by-products (e.g., coal tar, crude benzene, ammonium sulfate, and coke oven gas). Supporting facilities include dry quenching of coke, chemical products recovery, waste heat power generation (2 × 15 MW), and regional collaborative utilization systems for coke oven gas. Its technological approach adopts China’s mainstream stamp-charging coking process, enabling highly efficient recovery of sensible heat from coke and multi-path consumption of coke oven gas. The company has obtained certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System; holds the “Work Safety Production License,” “National Industrial Product Production License (Coke),” and “Pollutant Discharge Permit”; and has completed ultra-low emission retrofitting, passing municipal-level acceptance. Its emissions consistently meet standards stricter than the special emission limits stipulated in the national standard “Emission Standard of Pollutants for Coking Chemical Industry” (GB 16171-2012), qualifying it as an Autonomous Region-level Clean Production Demonstration Enterprise. Its coke is primarily supplied to steel enterprises in the Northwest Region; part of its coke oven gas is delivered to downstream chemical enterprises—including methanol and ammonia synthesis plants—within the industrial park, fostering regional industrial synergy. Deep processing of coal tar yields primary chemical raw materials such as industrial naphthalene and phenols. The company holds three utility model patents related to energy-saving coking equipment. Its production and business operations have remained continuously stable in recent years, with no overseas business activities conducted. Targeting upstream and downstream links in the industrial chain, pragmatic cooperation opportunities exist in areas including stable coke supply, resource-based utilization of coke oven gas, optimization of waste heat recovery systems, technical collaboration on dry quenching of coke and chemical products recovery, and support for clean production retrofitting.

Inner Mongolia Jinhuan Chemical Co., Ltd. is a science and technology-based small and medium-sized enterprise (SME) established in 2018 and headquartered in the central-western region of Inner Mongolia. The company specializes in technological applications and services for environmentally friendly catalytic materials downstream of coal chemical processing, positioning itself as a solution provider in the fine chemical industry with catalyst regeneration and adaptive re-composition as its core approaches. Its main business activities include research and development and production of carrier materials for desulfurization and denitrification catalysts; re-composition and regeneration technical services for medium- and low-temperature selective catalytic reduction (SCR) catalysts; formulation and supply of environmentally friendly water treatment chemicals; and related technical consultation and services. Its application scenarios focus on flue gas purification and resource recycling needs within high-energy-consumption industries such as coking, coal-fired power plants, and blue carbon production. Leveraging its qualification—having passed the Inner Mongolia Autonomous Region’s evaluation for science and technology-based SMEs for three consecutive years—the company possesses stable technological transformation capabilities and has developed engineering-level service capacity in catalyst regeneration, including providing modular regeneration services for honeycomb titanium-tungsten-vanadium-based SCR denitrification catalysts to a coking enterprise in Ordos, achieving over 92% recovery of catalytic activity per batch; this case has been designated a “Demonstration Project for Green Technical Upgrades Based on Resource Recycling.” The company is also undertaking the Qingshan District-level technical research project titled “Study on Efficient Recovery Process for Metallic Components from Low-Grade Spent Catalysts,” currently at the pilot-scale testing stage. Its service coverage includes numerous industrial enterprises across Inner Mongolia, Shaanxi, and Shanxi provinces, with primary customers comprising regional coking plants, coal-fired power plants, and blue carbon enterprises. Cooperation models include customized catalyst regeneration services, supply of functional fillers and additives, technical consultation, and joint process optimization, all open for collaborative engagement with industrial users seeking environmental standard upgrades, cost reduction and efficiency enhancement, and solid waste resource utilization.

Inner Mongolia Ordos Power Metallurgy Group Co., Ltd. Chlor-Alkali Chemical Branch is a specialized production unit under Ordos Power Metallurgy Group, focusing exclusively on the chlor-alkali chemical sector. Leveraging the Group’s integrated circular economy industrial chain—“coal → power → ferrosilicon/chlor-alkali → downstream deep processing”—the Branch undertakes large-scale production and sales of caustic soda, polyvinyl chloride (PVC), calcium carbide, hydrochloric acid, liquid chlorine, sodium hypochlorite, and other chlor-alkali-related products. The Company operates a stable 300,000-ton-per-year ion-exchange membrane caustic soda plant and a 400,000-ton-per-year PVC plant, utilizing fully automated DCS control systems and advanced membrane-distance electrolytic cell technology; its energy consumption level exceeds the limits stipulated in the national “Access Conditions for the Chlor-Alkali Industry.” Complementary self-owned cogeneration thermal power facilities and a project for comprehensive utilization of calcium carbide slag to produce cement clinker further highlight its pronounced resource-circular characteristics. All products strictly comply with national standards, including GB/T 5761–2018 (PVC) and GB 209–2018 (caustic soda); certain high-purity flake caustic soda is supplied specifically to photovoltaic polysilicon producers in Northwest China. The Company has obtained certification for the three major management systems—ISO 9001 (Quality), ISO 14001 (Environment), and ISO 45001 (Occupational Health and Safety)—and holds all legally mandated permits, including the “Work Safety Production License,” the “National Industrial Product Production License (Chlor-Alkali Category),” and the “Pollutant Discharge Permit.” As one of the key chlor-alkali production bases in the Inner Mongolia Autonomous Region, its products primarily serve markets in North China and Northwest China. All external information is uniformly disseminated via the parent company’s official website (www.ordos-powermet.com) and the WeChat public account “Ordos Power Metallurgy Group.” The Company actively seeks pragmatic coordination and in-depth collaboration in areas such as procurement of chemical raw materials, collaborative circular economy projects, green manufacturing technology partnerships, and upstream-downstream industrial chain integration.

Inner Mongolia Boyuan United Chemical Co., Ltd. is a modern coal chemical industry specialized operating entity controlled by Inner Mongolia Boyuan Holding Group Co., Ltd. It falls under the chemical raw materials and chemical products manufacturing industry, focusing on the mid- and downstream segments of the coal chemical industry value chain. Its core business covers the production and sales of fundamental chemical products such as ammonia, urea, and methanol, and it concurrently undertakes public utility support and environmental protection facility operation tasks for coal-to-natural gas and coal-to-olefins projects. Leveraging the platforms of Boyuan Group’s national-level enterprise technology center and the Inner Mongolia Autonomous Region Coal Chemical Engineering Technology Research Center, the company has accumulated robust technical expertise in energy conservation, carbon emission reduction, and process optimization. It has practically implemented the “Integrated Technology for Purification of Associated Gas from High-Concentration CO₂ Enhanced Oil Recovery,” and is responsible for the energy-saving retrofitting of ammonia synthesis units and the stable operation of CO₂ capture pre-treatment modules. The company has obtained certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System, all valid through 2026. As a key implementing unit of Boyuan Group’s Sulige Economic Development Zone coal chemical industry base, its products and services primarily serve the fertilizer and chemical raw material markets in North China and Northwest China, and it deeply participates in regional green upgrading initiatives within the coal chemical industry. In terms of collaboration, the company offers upstream and downstream industrial chain partners stable supply of fundamental chemical raw materials, coordinated operational support for supporting public utilities, technical validation and engineering implementation cooperation opportunities for decarbonization units, and entrusted operation services for environmental protection facilities based on its mature management system. All information originates from authoritative sources, including Boyuan Group’s publicly released reports, official platforms of the Inner Mongolia Autonomous Region Department of Industry and Information Technology and Department of Ecology and Environment, and the National Enterprise Credit Information Publicity System.

Nantong Tongbo Equipment Installation Group Co., Ltd. is a comprehensive engineering technology service enterprise whose core businesses include industrial equipment installation, electromechanical engineering construction, intelligent system integration, and operation & maintenance (O&M) services. The company focuses on sectors such as energy, chemical industry, pharmaceuticals, food processing, and public buildings, providing one-stop solutions covering building electromechanical installation, electronics and intelligent systems, fire protection facilities engineering, pressure piping (GB1, GB2, GC2) installation, and installation, renovation, and repair of special equipment such as elevators and lifting machinery. Leveraging BIM-assisted detailed design, modular prefabricated assembly techniques, and full-lifecycle O&M management technologies for equipment, the enterprise continuously enhances project delivery quality and operational efficiency. The company holds Grade III general contracting qualifications for construction engineering and municipal public utility engineering, along with specialized contracting qualifications for electronics and intelligent engineering and fire protection facilities engineering; pressure piping installation permits (GA2/GB1/GC2); and Grade A elevator installation permits. It has also obtained certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System. Representative projects include the electromechanical installation works for Zhongtian Technology Subsea Cable Industrial Park; the supporting power station installation works for the technological upgrading project of Nantong Acetate Fiber Co., Ltd.; and the electromechanical system integration project for the intelligent workshop of Jiangsu Hengke New Materials Co., Ltd. Its service area is concentrated within Jiangsu Province. Its primary cooperation models are EPC general contracting and specialized subcontracting, and it welcomes collaborative engagement with owner entities, general contractors, and equipment manufacturers requiring industrial electromechanical system construction, intelligent upgrades, and long-term O&M services.

Mehekou Fukan Alcohol Co., Ltd. is a designated fuel ethanol production enterprise under China’s National “Ethanol Gasoline Promotion Program.” The company specializes in research, development, and industrial application of bio-fermentation technologies using corn as the primary raw material. Its core business encompasses R&D, production, and sales of high-value-added by-products, including: (1) denatured fuel ethanol with an annual capacity of 300,000 tons (complying with standard GB 18350–2013); (2) premium food-grade alcohol (conforming to standard GB 10343–2022, with purity ≥96.5% vol); (3) DDGS animal feed; and (4) food-grade carbon dioxide. The company employs a production process comprising dual-enzyme liquefaction, high-temperature fermentation, and multi-column differential-pressure distillation, and is equipped with a DCS-based fully automated process control system. In 2022, it completed the “Energy-Saving and Consumption-Reduction Technical Retrofit for High-Gravity Wort Fermentation” project, thereby achieving stable, efficient, large-scale production capabilities and green, low-carbon operational performance. The company holds the following permits: the National Industrial Product Production License (for alcohol products), the Food Production License (SC1152205810006), and the Hazardous Chemicals Business License (Ji Tonghua Meihé Hazardous Chemicals Business Permit No. [2023] 0007). It has passed clean production audits for two consecutive years. Its wastewater advanced treatment and reclaimed water reuse systems operate stably, classifying it as a key wastewater discharging entity for Jilin Province’s water environment. Its fuel ethanol products have been integrated into Sinopec and PetroChina’s ethanol gasoline blending systems in Northeast China. Its food-grade alcohol is primarily supplied to condiment, pharmaceutical, and beverage enterprises across Northeast China. In 2023, the company commissioned a technical retrofit project producing 50,000 tons annually of premium food-grade alcohol and holds three utility model patents (covering condensate water recovery devices, yeast activation systems, etc.). As a wholly owned subsidiary of Jilin Fukan Group, the company is headquartered in Mehekou City, Jilin Province, focusing on China’s domestic bioenergy and food industry sectors. It is open to pragmatic collaboration and industrial partnerships in areas including fuel ethanol blending, customized supply of food-grade alcohol, synergistic utilization of by-products, and energy-saving technology cooperation.

Luoyang Ruiming Petrochemical Technology Co., Ltd. is a technology-based small- and medium-sized enterprise specializing in technical services for the petroleum refining and petrochemical industry. Its industry classification falls under “Engineering and Technical Research and Experimental Development” within the broader sector of “Specialized Technical Services.” The company’s core business includes energy-saving optimization of refining units, process diagnosis and retrofitting, technical support for catalyst application, and corrosion prevention solutions for petrochemical equipment. Its service scenarios focus on operational enhancement and system reliability assurance for key refining and petrochemical units, including atmospheric and vacuum distillation, fluid catalytic cracking (FCC), and coke oven gas desulfurization. Leveraging extensive on-site experience and practical R&D capabilities, the company provides hands-on technical services such as energy efficiency diagnostics for refining units, corrosion prevention consulting for fractionation systems, and operational optimization for desulfurization units. It holds one authorized utility model patent (ZL202021423882.5: “A Condensate Recovery Device for the Top of a Refining Unit Tower”). In terms of qualifications, the company holds the “Approval Certificate for Special Equipment Inspection and Testing Institutions” issued by the Henan Provincial Market Supervision Administration (limited to periodic inspection of pressure pipelines; valid until 2025) and has obtained GB/T 19001–2016/ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q31234R0M; valid until June 2025). Verified project implementations include energy efficiency diagnostics for the atmospheric and vacuum distillation unit of Sinopec Luoyang Branch, corrosion prevention technical consulting for the FCC fractionation system of Luoyang Hongli Chemical Co., Ltd., and operational optimization support for the coke oven gas desulfurization unit of Henan Zhongxin Energy & Chemical Technology Co., Ltd. Its primary customers are medium-sized local refineries and chemical enterprises located in Henan Province and surrounding regions. Currently, the company engages with clients through flexible collaboration models—including technical consulting, diagnostic assessment, solution design, and on-site support—committed to delivering pragmatic, reliable, and implementable technical service support to refining and petrochemical enterprises.

Luoyang Oukemai Automatic Control Engineering Co., Ltd. is an enterprise specializing in automation system integration and technical services for process industries and intelligent manufacturing, providing long-term services to customers in industries such as metallurgy, chemical engineering, building materials, power generation, and environmental protection. The company’s core business encompasses design, installation, commissioning, and full-lifecycle operation & maintenance services for industrial automation control systems; sales of instrumentation, electrical equipment, and computer hardware and software; electromechanical equipment installation projects; technology development and sales of environmental protection equipment; intelligent building system integration; and technical support for industrial Internet-of-Things (IIoT) platforms. Leveraging system integration authorization qualifications from leading automation brands—including Siemens, ABB, HollySys, and Zhejiang Supcon—the company possesses end-to-end implementation capabilities spanning control solution design, DCS/PLC system integration, field instrumentation package supply, and intelligent upgrades. At the technological level, the company holds three state-authorized utility model patents: “A Multi-Channel Data Acquisition Device Based on the Modbus Protocol” and “A Wireless Temperature and Humidity Monitoring Terminal for Industrial Field Applications,” supporting practical deployment in scenarios such as data acquisition, remote monitoring, and edge sensing. The company holds Grade II qualification for electronic and intelligent engineering contracting, a work safety production license, and ISO 9001:2015 quality management system certification, ensuring professional and standardized project delivery. Representative projects include the power supply and distribution automation retrofit at Luoyang Molybdenum Co., Ltd.’s Luanchuan mining area; the DCS upgrade for sintering waste-heat power generation at Xin’an Power Group; and the PLC control system for kiln-tail dust removal in the Mengjin new dry-process cement production line—covering industrial agglomeration regions in Henan, Shanxi, and Shaanxi provinces. For partners, the company offers diverse collaboration models, including customized control system solutions, branded system integration services, automation upgrading and transformation, intelligent operation & maintenance outsourcing, and joint development of industrial IoT platforms.