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Ningxia Tiandi Benniu Industry Group Co., Ltd. (abbreviated as “Tiandi Benniu”) is a core equipment manufacturing backbone enterprise under China National Coal Group Corporation, a national high-tech enterprise, and a national model enterprise for technological innovation. The company positions itself as a provider of intelligent coal mining equipment R&D, manufacturing, and system solutions. Its core business covers the R&D, design, manufacturing, service, and full-lifecycle management of key conveying equipment for fully-mechanized coal mining faces—including scraper conveyors, transfer machines, and crushers. Its products are widely deployed in intelligent mines with annual production capacities exceeding 10 million tons operated by major coal enterprises such as China Energy Group, China National Coal Group, Shaanxi Coal Group, and Shandong Energy Group, and are exported to over ten countries and regions, including Russia, India, Turkey, Australia, and South Africa. Leveraging its National Enterprise Technology Center, Branch of the National Engineering Research Center for Mining Machinery, Postdoctoral Scientific Research Workstation, and Ningxia Key Laboratory of Intelligent Conveying Equipment, the company holds over 580 valid patents (including 127 invention patents) and has led or participated in the formulation and revision of 32 national and industry standards—such as GB/T 24922–2023 “General Technical Requirements for Scraper Conveyors.” Its technical capabilities focus on “high reliability, high capacity, intelligence, and low carbon emissions.” Its independently developed SGZ1000/2000- and SGZ1250/2800-type intelligent scraper conveyors achieve single-machine transport capacities exceeding 6,000 tons per hour; their integrated intelligent monitoring systems support remote diagnostics, fault early warning, and digital twin mapping. Its “Intelligent Operation & Maintenance Platform for Scraper Conveyors Based on Multi-source Information Fusion” was selected as an exemplary intelligent manufacturing scenario by the Ministry of Industry and Information Technology (MIIT) in 2023. The company has obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications; holds A1/A2-level pressure vessel design and manufacturing licenses; possesses Mine-Use Product Safety Mark (MA) certificates; has CE certification for certain models issued by the European Union; and is certified as a qualified confidential entity. Representative projects include the complete conveying system for the 8.8-meter ultra-high cutting-height working face at Shendong Shangwan Coal Mine; core equipment for China National Coal Group’s Pingshuo intelligent demonstration mine; and the transformation-supporting system for China Energy Group’s Zhuneng Heidaigou Mine. For industry clients, the company offers customized equipment development, intelligent upgrade services, full-lifecycle operation and maintenance support, and system integration solutions.

Ningxia Qinghua Coal Chemical Group Co.,Ltd. is a national high-tech enterprise headquartered in the Taiyangshan Development Zone of Wuzhong City, Ningxia. It is a large-scale, modern coal chemical enterprise group integrating coal washing and selection, coke production, refined coal tar and crude benzene processing, LNG (liquefied natural gas) production, synthetic ammonia, methanol, and comprehensive hydrogen energy utilization. The company’s core businesses cover coke production and deep processing of by-product chemicals, clean energy conversion (including coke oven gas-to-LNG and hydrogen purification), and research & industrialization of novel coal-based materials. Its annual coke production capacity exceeds 4 million tons; its coal tar processing capacity reaches 600,000 tons per year; and its annual LNG production capacity is 300 million cubic meters. The company has constructed China’s largest single-unit pilot-scale coke oven gas-to-hydrogen facility, stably producing ultra-high-purity hydrogen at 99.999%. It hosts both an autonomous-region-level enterprise technology center and the Ningxia Coal-Based Fine Chemical Engineering Research Center. To date, it has obtained authorization for 12 invention patents and 87 utility model patents, and has led or participated in formulating five national and industry standards—including “Coking Benzene” and “Coal Tar.” Its “Hierarchical Utilization of Coke Oven Gas for Hydrogen Production Coupled with LNG Co-Production” process has been included in the National Development and Reform Commission’s “Industrial Structure Adjustment Guidance Catalogue (2024 Edition)” as a technology encouraged for development. The company holds the “Work Safety Production License,” the “National Industrial Product Production License (Hazardous Chemicals),” and the “Pollutant Discharge Permit,” and has passed certifications under ISO 9001, ISO 14001, and ISO 45001. It is listed among Ningxia’s key energy-consuming units and green manufacturing demonstration units. Representative projects include the Taiyangshan Energy Circular Economy Industrial Park, with a total investment exceeding RMB 12 billion; the 200,000-ton-per-year coke oven gas-to-hydrogen and integrated hydrogen refueling station demonstration project (commissioned in 2023); and the medium–low temperature coal tar hydro-upgrading pilot platform developed jointly with the Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Its products are widely applied across metallurgy, chemical industry, new-energy vehicles, and electronic specialty gases. Hydrogen is already supplied in bulk to semiconductor packaging enterprises and fuel-cell vehicle manufacturers in the Ningdong Base. While centered in Ningxia, its business operations extend across the western regions of Shaanxi, Gansu, and Inner Mongolia, and it is currently advancing efforts to secure coke export qualifications targeting Central Asian markets. We sincerely invite pragmatic cooperation in areas including clean energy conversion, hydrogen applications, coal-based new material R&D, joint construction of circular economy industrial parks, and collaborative standardization.

Ningxia Langli New Materials Co., Ltd. is a high-tech enterprise specializing in the research and development, production, and sales of novel functional materials. It operates within upstream critical segments of China’s national strategic emerging industries—specifically, the “New Materials Industry” and the “New Energy Vehicle Industry.” The company’s core businesses include precursors for lithium-ion battery cathode materials (e.g., nickel-cobalt-manganese ternary precursors), electronic-grade fine chemicals, and specialty metal powder materials. Its products are widely applied in new energy power batteries, energy storage batteries, and high-end electronic components. Leveraging its provincial-level enterprise technology center, the company masters core technologies such as precise morphology and particle size distribution control of precursors via co-precipitation, and low-sodium/low-magnetic impurity control. It holds 12 authorized invention patents and 38 utility model patents; certain technical indicators have reached advanced domestic levels. The company has obtained certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and IATF 16949 Automotive Quality Management System, thereby possessing qualifications to supply materials for automotive-grade battery supply chains. Its 20,000-ton-per-year ternary precursor production project was completed and commenced operations in 2023, representing a key new-materials industrialization initiative supported by Shizuishan City. Customers encompass leading domestic battery material manufacturers and multiple top-tier power battery enterprises; the company has already been integrated into the tier-two supplier systems of CATL and BYD. Currently, its business focuses on domestic markets in Northwest, East, and South China; it has no overseas direct investments or physical overseas operations. As a company listed on the National Equities Exchange and Quotations (NEEQ) (stock abbreviation: Langli New Materials; stock code: 873926), it provides upstream and downstream industrial chain partners with customized development of high-performance precursors, process collaboration and optimization, and stable large-batch supply services. It welcomes pragmatic cooperation in areas including R&D of new energy materials technologies, production capacity matching, and joint construction of supply chains.

Contemporary Amperex Technology Co., Limited (CATL) (Stock Code: 300750.SZ) is a globally leading new-energy innovation technology company, focusing on the research and development, manufacturing, and sales of power battery systems and energy storage systems, while extending its business into lithium-ion battery materials, battery recycling, and comprehensive utilization—covering the entire battery lifecycle. Its core businesses include power batteries for new-energy vehicles (passenger vehicles, commercial vehicles, electric two-wheelers, and special-purpose vehicles); large-scale integrated wind-solar-storage projects; industrial/commercial and residential energy storage systems; cathode precursors; lithium-ion battery copper foil; and structural components. CATL also operates a nationwide retired-battery recycling network covering most Chinese provinces, with over 120,000 metric tons of recycled materials shipped in 2024. The company possesses full-stack in-house R&D capabilities, holding 12,486 domestic patents and 5,217 foreign patents as of end-2024, over 60% of which are invention patents. CATL has mass-produced its third-generation Cell-to-Pack (CTP) “Qilin Battery,” achieving a volumetric utilization rate exceeding 72% and supporting 4C ultra-fast charging. Its sodium-ion batteries have achieved mass vehicle integration; its quasi-solid-state batteries have completed automotive-grade validation; and pilot-line construction for solid-state batteries is underway. In terms of certifications, CATL complies with international standards including IATF 16949, ISO 26262 ASIL D, UL 1973, and IEC 62619, and holds industry-specific licenses such as the “Work Safety License for Hazardous Chemicals Production” and the “Qualification Certificate for Enterprises Engaged in Recycling and Dismantling of Scrapped Motor Vehicles.” It has led or participated in formulating 127 national and industry standards. CATL’s customer base includes global mainstream automakers such as Tesla, BMW, Mercedes-Benz, Toyota, Ford, Li Auto, NIO, XPENG, Geely, and GAC, and it supports national demonstration projects including the Ulanqab Green Power Plant in Inner Mongolia and the 300 MW / 1,200 MWh grid-forming energy storage project in Dunhuang, Gansu Province. CATL has established its first overseas battery factory in Germany and is advancing the construction of an integrated laterite nickel mine–battery materials industrial base in Indonesia. Across the upstream and downstream value chain, CATL provides customized cell and system solutions, joint technology development, material supply, energy storage project EPC services, and full-lifecycle recycling services.

Ningbo Zhongke Yuandong Catalytic Engineering Technology Co., Ltd. is a high-tech enterprise established with technical support from the Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, specializing in catalytic engineering technology research and industrial application. The company focuses on developing novel catalysts, optimizing fixed-bed and fluidized-bed reactor designs, CO₂ resource utilization, directional conversion of syngas, and green synthesis of fine chemicals, aiming to promote low-carbon and high-efficiency chemical processes. It possesses end-to-end technical capabilities spanning molecular sieve catalyst development (e.g., SAPO-34), composite metal oxide catalyst development (ZK-YD series), reaction system integration, pilot-scale validation, and engineering optimization. Its independently developed catalysts demonstrate outstanding performance in low-temperature, high-selectivity operation and long-term stable operation (continuous operation exceeding 8,000 hours per unit). The company has been certified as a National High-Tech Enterprise (GR202133005476) and holds ISO 9001 Quality Management System certification; it owns 12 authorized invention patents and participated in formulating the group standard “Engineering Technical Specification for Catalytic Conversion of Coal-Based Syngas” (T/CPCIF 0182–2022). Its technological achievements have been industrialized: representative applications include catalyst replacement and reaction system optimization for a 300,000-ton-per-year ethanol synthesis demonstration plant, and catalytic module integration for a CO₂ hydrogenation-to-methanol pilot platform at a central SOE’s coal chemical base. Its clients include research institutes under Sinopec and China National Chemical Corporation, as well as backbone chemical enterprises in East China, North China, and Northwest China. Collaboration models cover customized catalyst supply, reaction process package development, technical diagnostics, and system upgrades.

Ningbo Runhe High-Tech Materials Co., Ltd. (Securities Short Name: Runhe Materials; Stock Code: 300727.SZ) is a national high-tech enterprise specializing in the research and development, production, and sales of organosilicon and textile printing & dyeing auxiliaries. Its strategic positioning is “a globally leading provider of organosilicon and textile chemical solutions.” The Company’s core business comprises two major segments: (1) organosilicon application materials—including silicone oils, silicone rubbers, silicone resins, and fumed silica-modified materials—widely applied in electronic packaging, new-energy battery adhesives, medical silicone gels, and high-end textile finishing; and (2) eco-friendly textile printing & dyeing auxiliaries—including formaldehyde-free softeners, low-VOC fluorine-free water-repellent agents, reactive color-fixing agents, and enzymatic preparations—aligned with green printing & dyeing policy directives. Leveraging its National Postdoctoral Research Workstation, Zhejiang Provincial Key Enterprise Research Institute, and CNAS-accredited laboratory, the Company holds a total of 168 valid authorized patents (including 92 invention patents) and has led or participated in the formulation of 11 national and industry standards. It has obtained ISO 9001, ISO 14001, and ISO 45001 system certifications; certain products have received OEKO-TEX® STANDARD 100 Class I certification, GOTS compatibility certification, as well as REACH and RoHS compliance declarations; its subsidiary holds a Safety Production License for Hazardous Chemicals. Its technical capabilities span functionalization, greening, and customization, enabling domestic mass production of key materials such as high-molecular-weight amino silicone oil and low-VOC fluorine-free water-repellent agents, and achieving pilot-scale verification capabilities in fields including thermal-conductive encapsulation adhesives for new-energy vehicles and silane coupling agents for lithium-ion battery separator coating. Representative collaborations include supplying top-tier dyeing & finishing enterprises with a ZDHC MRSL 3.0-compliant formaldehyde-free color-fixing system, and providing UV-resistant silicone encapsulation solutions to one of the world’s top five photovoltaic module manufacturers. Manufacturing bases are located in Ningbo and Ninghai (Zhejiang Province) and Jiujiang (Jiangxi Province)—the latter being a pilot site for Zhejiang Province’s “Factory of the Future.” Its business covers the entire Chinese mainland and extends to export markets across Southeast Asia, South America, the Middle East, and Europe; overseas revenue accounted for 18.7% of total revenue in 2024. The Company delivers comprehensive services to upstream and downstream industrial chain partners, including material supply, joint R&D, customized solutions, and technical collaboration.

Ningbo Hefeng Chemical Engineering Design & Consulting Co., Ltd. is a private, technology-oriented engineering consulting service provider established in 2003, specializing in professional technical services for process industries—including chemical, pharmaceutical, and new materials sectors—and is listed in Ningbo City’s database of specialized, refined, distinctive, and innovative small- and medium-sized enterprises (SMEs). The company’s core business encompasses engineering consulting, process package development, conceptual design, detailed design, and EPC project management support, covering the entire project lifecycle from early-stage planning through engineering implementation. Its core competencies focus on fine chemical process optimization, inherently safe design for high-hazard processes (including HAZOP analysis and SIL rating), and development of green, low-carbon process pathways, emphasizing integrated “process–safety–environmental protection” design while prioritizing precise control of energy and material consumption and enhancement of inherent safety levels. The company holds Grade-A engineering design qualifications for the chemical, petrochemical, and pharmaceutical industries (Certificate No.: A133003999, valid until December 2027), Grade-B credit evaluation for engineering consulting firms (specializing in chemical and pharmaceutical fields), Class GCD pressure piping design license, and Level-3 certification for work safety standardization; it is also certified to ISO 9001:2015 for quality management systems. Representative projects include the continuous-flow microreactor process retrofit for a pharmaceutical intermediate manufacturer in Zhejiang Province; the wastewater resource recovery engineering design for a dye manufacturer in Jiangsu Province; and the process package development for an electronic specialty gas purification unit for a new materials company in Ningbo. Geographically, its service area centers on the Yangtze River Delta region and extends across Zhejiang, Jiangsu, Shandong, and Anhui provinces. Collaboration models include process package delivery, design commissioning, safety assessment, and EPC technical support, delivering customized, professional, and implementable technical solutions to process industry enterprises, industrial parks, and engineering companies.

Inner Mongolia Unisplendour Chemical Co.,Ltd. is a private enterprise specializing in the research and development, production, and sales of fine chemical products, focusing on deep processing of by-products from chlor-alkali chemical production and industrialization of key intermediates for organosilicon compounds. The company’s core business includes continuous, large-scale production of silane compounds such as chloromethane, methyltrichlorosilane, and dimethyldichlorosilane; its products are widely applied in downstream industries including organosilicon monomer synthesis, silicone oil, silicone rubber, and construction waterproofing materials. Leveraging three authorized invention patents independently developed by the company—including “Continuous Preparation Method for Methyltrichlorosilane”—the enterprise has established a proprietary technical system centered on temperature-gradient control of directed chlorination reactions of chloromethane and online catalyst regeneration. These achievements were included in the “2023 Key Energy-Saving and Emission-Reduction Technology Promotion Catalogue of the Inner Mongolia Autonomous Region.” The company holds a Hazardous Chemicals Safety Production License ((Meng) WHAQXZ No. [2021] 03-0047) and a National Industrial Product Production License for Hazardous Chemicals (Organic Products), and has obtained ISO 9001:2015 Quality Management System Certification. Environmentally, the company has installed an HCl recovery system and a three-stage alkaline scrubbing plus activated carbon adsorption system for chlorine-containing exhaust gases; wastewater undergoes pretreatment before being discharged to the park’s centralized wastewater treatment plant, fully complying with the “Emission Standards for Pollutants from Inorganic Chemical Industry” (GB 31573-2015). Currently, the company’s annual production capacity for methyltrichlorosilane is approximately 30,000 metric tons, primarily serving leading customers in the organosilicon industry chain across Shandong, Jiangsu, and Zhejiang provinces—including Hoshine Silicon Industry (Shanshan) Co., Ltd. and Jiangxi Lansi Xinghuo Organosilicon Co., Ltd. Targeting organosilicon monomer manufacturers, new-materials R&D institutions, and enterprises seeking green process upgrades, the company provides stable and reliable intermediate supply, customized technical collaboration, and energy-saving and emission-reduction process optimization support.

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.