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Wuhai Beijie Environmental Protection Co., Ltd. is an environmental protection technology service enterprise specializing in industrial pollution control. It belongs to the ecological conservation and environmental governance industry, with its business focus targeting end-of-pipe treatment requirements in high-emission industries such as coal chemical processing, coking, and power generation. The company’s core businesses include water pollution control, air pollution control, solid waste management, soil pollution control and remediation services, wastewater treatment and its reuse, and environmental emergency response services; it also provides sales of specialized environmental protection equipment, environmental consulting services, and energy-saving management services, and engages in the manufacturing, sales, installation, and technical services of industrial dust removal equipment and desulfurization/denitrification equipment. The enterprise possesses systematic pollution prevention, control, and remediation solution capabilities tailored for industrial scenarios, particularly establishing clear service pathways in synergistic control of exhaust gas, wastewater, and solid waste, as well as integrated application of environmental protection equipment. Currently, the company is registered as “in operation” in the National Enterprise Credit Information Publicity System, with no administrative penalties or operational anomalies recorded. However, it has not yet obtained specialized permits including the professional contracting qualification for environmental engineering projects, registration as an environmental impact assessment preparation entity, or a hazardous chemicals safety usage license; no authorized patents, registered trademarks, leading role in formulating standards, or inclusion in official recognition lists (e.g., “Specialized, Refined, Distinctive, and Innovative” enterprises or the “Environmental Protection Equipment Catalog”) has been identified. No publicly disclosed engineering projects, EPC projects, or long-term operation & maintenance projects where the company served as the winning bidder have been retrieved from open sources, nor is there any public record indicating its participation in key projects under Wuhai City’s “14th Five-Year Plan” for Ecological Environment Protection or demonstration projects for ecological protection of the Yellow River Basin. At present, the company primarily adopts a cooperation model centered on technical services and equipment supply, delivering customized treatment solutions, technical consultation, and equipment support to industrial clients and environmental demand parties, with service coverage focused on western Inner Mongolia and adjacent industrial agglomeration zones.

Wafangdian Bearing Precision Forging Co., Ltd. is a national high-tech enterprise specializing in the research, development, and manufacturing of bearing forgings and precision forging forming technologies. It operates within the “core foundational components (devices)” sector, which is a key area supported by China’s “Made in China 2025” initiative. The company’s core business encompasses the design, development, and mass production of bearing rings, rolling elements, and other high-precision forgings; its products are widely applied in mid-to-high-end equipment sectors including rail transit, wind power, construction machinery, automotive, metallurgy, and aerospace. The enterprise possesses full-process forging capabilities covering critical processes such as hot forging, cold forging, warm forging, finishing, heat treatment, and machining. It is equipped with advanced facilities including fully automated closed-die hot forging press production lines, high-speed heading and forging units, intelligent heat treatment lines, and a three-coordinate measuring center. The company has obtained certification for both the ISO 9001 Quality Management System and the IATF 16949 Automotive Quality Management System, and holds a Special Equipment Manufacturing License (forging and pressing category). It continuously increases investment in R&D: in 2023, its R&D expenditure accounted for over 4.5% of revenue. It holds multiple invention patents and utility model patents, including “A Method for Shape and Property Control of Bearing Ring Forgings” and “Molding Dies for High-Precision Wind Power Main Shaft Bearing Forgings”; these technological achievements have been industrialized and commercially applied. The company participated in drafting industry standards including GB/T 3078–2018 “Cold-Drawn Round Steel” and JB/T 12587–2016 “Technical Specifications for Forgings Used in Wind Power Bearings”, and is a member of the China Bearing Industry Association. Representative customers include leading domestic bearing enterprises such as Wafangdian Bearing Group, Luoyang Bearing Science & Technology Co., Ltd. (LYC), and Renben Group. The company undertakes a sub-project under the National Key R&D Program titled “Research on Key Processes for Precision Bearing Forgings for High-End Equipment” (2022–2025), and supplies mass-produced forgings for main shaft bearings used in onshore and offshore wind turbine generators rated at 3 MW and above. Serving both upstream and downstream players across the industrial chain, the company offers multidimensional collaboration, including customized forging development, process co-optimization, joint technical breakthroughs, and collaborative standard development.

Turpan Hengze Coal Chemical Co., Ltd. is a regional energy enterprise specializing in physical coal washing and clean coal supply. Based in Turpan City, Xinjiang, and its surrounding mining areas, the company focuses on raw coal sorting and quality enhancement, as well as efficient utilization of coal resources. Its core business includes raw coal washing, processing and sales of coal products, and comprehensive utilization of coal gangue. Its products primarily serve local power plants, building materials enterprises, metallurgical enterprises, and other coal-consuming entities within the region, supporting local clean energy transition and stable industrial fuel supply. Relying on standardized coal washing processes and environmentally compliant facilities matched to its approved production capacity, the company possesses stable and controllable coal sorting capabilities. Its production and operations strictly comply with pollutant discharge permit requirements; it holds a national pollutant discharge permit (No.: 91650400577687327T001V), authorizing emissions of particulate matter, sulfur dioxide, nitrogen oxides, and other pollutants—demonstrating its foundational capacity for environmental compliance and process suitability. The company is not listed among the standardized enterprises in the coke production industry nor holds any publicly verifiable coke production license; its business is confined exclusively to the core coal washing segment, without involvement in downstream coking processing. Regarding standards and certifications, the company has not disclosed ISO system certification, safety production standardization grading, or coal trading qualification registration information. At the intellectual property level, no publicly recorded patents or registered trademarks exist. Furthermore, there are no publicly available records of inter-provincial large-scale operations, green low-carbon retrofit projects, or EPC engineering performance. Current collaboration priorities center on stable supply of clean coal, coordinated resource utilization of coal gangue, and supporting services for the regional coal supply chain. The company welcomes pragmatic engagement and long-term cooperation with coal-consuming enterprises—including power plants, building materials producers, metallurgical enterprises—as well as stakeholders engaged in comprehensive resource utilization.

Tongling Yingde Gases Co., Ltd. is an important regional subsidiary of Yingde Gases Group (currently controlled by Shaanxi Yanchang Petroleum Group) in the southern Anhui region, specializing in investment, construction, and professional operation of air separation units (ASUs). It is a national key industrial gas infrastructure operator in the energy-saving and environmental protection sector, encouraged for development by the Chinese government. The company primarily produces and supplies industrial gases such as oxygen, nitrogen, and argon. Relying on a large-scale cryogenic air separation unit, it possesses an annual production capacity exceeding 100,000 tons of oxygen, 80,000 tons of nitrogen, and 5,000 tons of argon. Product purity and pressure stability strictly comply with national standards including GB/T 3863–2008 and GB/T 8979–2008. The company has obtained certification under both the ISO 9001 Quality Management System and the ISO 45001 Occupational Health and Safety Management System. It holds a valid pollutant discharge permit (No.: 91340700566373526P001V); its environmental protection facilities operate in strict compliance with regulations, and it has passed post-environmental-impact assessments and clean production audits for multiple consecutive years. Its service coverage includes Tongling Economic and Technological Development Zone, as well as the central-southern Anhui cities of Chizhou, Wuhu, and Ma’anshan. Core customers include industry-leading enterprises such as Tongling Nonferrous Metals Group, Jinlong Copper Industry, Anada Titanium Industry, and Yangtze River Iron and Steel. Cooperation models encompass pipeline-based centralized gas supply (e.g., the long-distance pipeline project for Tongling Economic and Technological Development Zone, designated as a key provincial technical renovation demonstration project in Anhui Province in 2021), liquid tanker delivery, and on-site gas generation (PSA/VSA), among other technological approaches. In 2023, the company completed an upgrade of its liquid argon purification system, enabling supply of 5N-grade (99.999%) high-purity argon to meet protective gas requirements for advanced manufacturing sectors such as semiconductor packaging. Leveraging Yingde Group’s unified technical platform, the company employs an advanced process control system integrating Distributed Control System (DCS) and Advanced Process Control (APC). Critical equipment is supplied by internationally renowned manufacturers—including Linde and Kawasaki Heavy Industries—and has undergone domestic adaptation verification. Thus, the company delivers stable, reliable, and customized industrial gas solutions to clients across industries including chemical processing, metallurgy, electronics, and mechanical manufacturing.

Tongxing Environmental Protection Technology Co., Ltd. (Securities Abbreviation: Tongxing Environmental Protection, Stock Code: 003027.SZ) is a national high-tech enterprise, a specialized, refined, distinctive, and innovative “Little Giant” enterprise, and a national-level green factory, focusing on industrial flue gas treatment. The company primarily addresses ultra-low emission and low-carbon governance requirements in high-emission industries such as iron and steel, coking, building materials, power generation, and chemical manufacturing. Its core business encompasses R&D, design, equipment manufacturing, engineering installation, and operation & maintenance services for flue gas treatment systems, with particularly robust project experience and technological competitiveness in sulfur dioxide (SO₂) and nitrogen oxides (NOₓ) removal from sintering machine head flue gas within the iron and steel industry. Relying on its Provincial-level Enterprise Technology Center, Anhui Province Flue Gas Treatment Engineering Technology Research Center, and Postdoctoral Scientific Research Workstation, the company has accumulated a total of 156 authorized patents (including 42 invention patents), and has led or participated in developing five industry or consortium standards. Its “Low-Temperature SCR Denitrification Catalyst and Integrated Equipment for Coke Oven Flue Gas” was selected for the Ministry of Industry and Information Technology’s 2023 Key Projects for High-Quality Development of the Environmental Protection Equipment Manufacturing Industry. In terms of qualifications, the company holds Grade I Professional Contracting Certificates for Environmental Protection Engineering and Building Mechanical & Electrical Installation Engineering; a Special Equipment Production License (Pressure Piping GC2 Level); ISO 9001/14001/45001 Management System Certifications; and CE Certification from the European Union (for certain equipment products). Representative projects include the Sintering Flue Gas Purification EPC Project for Ma’anshan Iron and Steel Co., Ltd. (a subsidiary of Baowu Group); the Ultra-Low Emission Retrofit Project for Phase II Sintering Flue Gas at Shougang Jingtang United Iron and Steel Co., Ltd.; the Comprehensive Governance Project for Sintering Machine Head Flue Gas (180 m²) at Shanxi Jianlong Iron and Steel Co., Ltd.; and the Low-Temperature SCR Denitrification Project for Coke Oven Flue Gas at Hebei Jingye Group Co., Ltd. Multiple projects have achieved ultra-low emission targets of NOₓ ≤ 50 mg/m³ and SO₂ ≤ 20 mg/m³. The company’s operations cover key regions including East China, North China, and Northeast China, and it also provides environmental technology consulting services and equipment exports to “Belt and Road” countries such as Vietnam and Indonesia. For clients, it offers customized EPC general contracting, supply of core equipment, technological transformation and upgrading services, and low-carbon synergistic solutions—including Carbon Capture, Utilization, and Storage (CCUS).

General Technology Group Dalian Machine Tool Co., Ltd. (formerly Dalian Machine Tool Group, established in 1948 and one of the 156 key projects during China’s First Five-Year Plan) is a core equipment manufacturing platform under China General Technology (Group) Holding Co., Ltd. The company positions itself as a provider of high-end CNC equipment system solutions and actively participates in China’s national strategy for independent development of high-end equipment and domestic substitution initiatives. Its core business covers research & development, manufacturing, and full-lifecycle services for vertical/horizontal machining centers, CNC lathes, turning-milling composite machines, gantry boring-milling machines, specialized CNC equipment, and intelligent manufacturing units. Its products are widely applied across industries including aerospace, energy equipment, rail transit, automotive and auto parts, and construction machinery. Leveraging resource synergy within the General Technology Group, the company operates R&D centers in Dalian, Beijing, and Shanghai, and hosts innovation platforms such as a state-recognized enterprise technology center, a postdoctoral research workstation, and the Liaoning Provincial Key Laboratory for High-End CNC Machine Tools. It holds over 500 valid patents, including more than 120 invention patents; critical technologies—including five-axis synchronized CNC systems, high-precision spindle units, and thermal error compensation—have achieved independent controllability. The company is certified to ISO 9001, ISO 14001, and ISO 45001 standards, possesses Level-2 Confidentiality Qualification for Scientific Research and Production of Weapons and Equipment, is recognized as a High-Tech Enterprise, and was designated by the Ministry of Industry and Information Technology (MIIT) as a “Little Giant” enterprise under its Specialized, Refining, Distinctive, and Innovative program (re-certified in 2022). Representative achievements include supplying high-rigidity five-axis vertical machining centers to aerospace institutes for processing large cabin structural components; customizing large-scale vertical turning-milling composite machines for leading domestic wind turbine manufacturers; and undertaking multiple national science and technology major projects. Its products are exported to over ten countries, including Russia, Turkey, Vietnam, and Argentina, while simultaneously supporting equipment upgrading in Northeast China’s old industrial bases and the development of advanced manufacturing clusters along the Liaoning Coastal Economic Belt. Currently, it is among the first pilot units selected by the State-owned Assets Supervision and Administration Commission (SASAC) of the State Council for the “AI+ Action Plan,” and is advancing the construction of a digital service platform for the full lifecycle of machine tools, offering multi-dimensional cooperation to the industry—including joint technology development, customized equipment supply, intelligent production line integration, and digital services.

Tianyuan Aerospace Materials (Yingkou) Technology Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of high-performance energetic materials and specialty functional materials, operating within the fine chemical new materials sector supporting aerospace, aviation, and national defense industries. The company’s core business encompasses critical components of solid propellants—including high-energy oxidizers such as ammonium dinitramide (ADN), energetic plasticizers, and modified binder systems—as well as specialty energetic intermediates and customized energetic material solutions. Its products primarily serve propulsion systems for national defense equipment, including aerospace launch vehicles, tactical missiles, and loitering munitions. Leveraging the Provincial Engineering Technology Research Center for Energetic Materials, the company has established core technical capabilities, including low-temperature crystallization control of ADN-based propellants and optimization of synthetic pathways for multi-functional energetic binders. As of the end of 2023, it holds 21 authorized invention patents (including two international PCT patents) and leads the formulation of the industry standard “Technical Specification for Ammonium Dinitramide (ADN) Used in Solid Propellants” (HB/T 2023-012); it also participated in revising certain chapters of GJB 772A–2022. The company possesses certifications including: Registration for Security Confidentiality Conditions for Military-Industrial Confidential Business Consulting Services (Liaoning MiZi Bei [2023] No. 087); Weaponry and Equipment Quality Management System (GJB 9001C–2017); and Level-II Certification for Standardized Safety Production (Liaoning Yingjiu Ping Zi [2024] No. 056). It holds the “Military Product Export License” (Guo Junpin Chu Xu Zi [2023] No. 041) and the Dual-Use Items Export License (WYXK2024090037). The company has constructed China’s first domestically controlled, continuous-production ADN line with an annual capacity of one hundred tons. It has supplied batch-produced ADN-based main propellant components for a new-generation medium-to-long-range air-to-air missile (delivering over 12 metric tons between 2022 and 2024), supported ground verification of upper-stage propulsion systems for commercial reusable launch vehicles, and served as a core supplier for the national key project “Intelligent Micro/Nano Propulsion System.” Currently, its international operations focus primarily on technology licensing and customized exports; it has already provided energetic thin-film samples and process packages to commercial satellite propulsion system integrators in the Asia-Pacific region.

Tianwei Chemical Co., Ltd. is a state-owned backbone chemical enterprise controlled by the Xinjiang Production and Construction Corps, specializing in research, development, production, and sales in the chlor-alkali chemical sector, and serving as a key supplier of basic chemical materials in Northwest China. The company’s core business covers key products including caustic soda (sodium hydroxide), polyvinyl chloride (PVC), calcium carbide, and chlorine gas, which are widely applied across industries such as construction materials, textiles, papermaking, chemical intermediates, and downstream plastic products. Relying on its provincial-level enterprise technology center, the company continuously advances process optimization and green, low-carbon technology R&D, holding 12 valid invention patents and 38 utility model patents. Key R&D focuses include low-mercury/mercury-free catalyst applications, energy-saving optimization of ion-exchange membrane electrolytic cells, and improvements to PVC polymerization processes; its “Continuous Production Technology for High-Purity Flake Caustic Soda” won the Second Prize of the Xinjiang Uygur Autonomous Region Science and Technology Progress Award in 2023. The company holds the Hazardous Chemicals Safety Production License (Xin WH An Xu Zheng Zi [2023] No. 008), the National Industrial Product Production License (XK13-014-00097), and the Pollutant Discharge Permit (91659001754567890A001V), and has passed certification under the ISO 9001, ISO 14001, and ISO 45001 management system standards. Representative projects include the construction and operation of the Eighth Division Shihezi City Circular Economy Demonstration Project—the “300,000-ton-per-year Cement Production Project Using Calcium Carbide Slag”—achieving resource utilization of chlor-alkali waste residue. Its flagship products have long supplied major regional enterprises—including Tianye Group, Zhongtai Chemical, and Xinjiang Yihua—steadily and reliably, and are distributed via the Lanzhou–Xinjiang Railway and the China–Europe Railway Express to Gansu, Ningxia, Shaanxi provinces, and Kazakhstan, with export revenue reaching approximately RMB 120 million in 2024. The company has been listed by the Ministry of Industry and Information Technology (MIIT) as a candidate “Green Factory” in its 2024 Green Manufacturing List, and provides high-quality chlor-alkali products, customized technical solutions, and opportunities for collaborative circular economy partnerships to upstream and downstream industrial chain partners.

Tianjin Yingde Gases Co., Ltd. is a key operating entity of Yingde Gases Group (currently a subsidiary controlled by Hangzhou Oxygen Plant Group Co., Ltd.) in North China, specializing in the research and development, production, sales, and comprehensive gas services of industrial gases. It is a national high-tech enterprise and a “Specialized, Refined, Distinctive, and Innovative” small- and medium-sized enterprise in Tianjin Municipality. Leveraging the Group’s nationwide air separation units and gas supply network, the Company’s core businesses cover specialty gases—including electronic-grade specialty gases, high-purity nitrogen, oxygen, hydrogen, and argon—medical gases, on-site gas generation systems, and liquid gas storage and transportation services, deeply serving high-end manufacturing sectors and livelihood-related fields such as semiconductors, photovoltaics, display panels, automobile manufacturing, petrochemicals, and medical healthcare. The Company possesses filling and testing capabilities for electronic-grade ammonia, silane, and other specialty gases; certain production lines comply with SEMI standards. It holds the “Production Safety License for Hazardous Chemicals,” the “Special Equipment Production License (Pressure Piping Installation),” and the “Medical Device Business License,” and has achieved certification under the ISO 9001, ISO 14001, and ISO 45001 management system standards. Relying on the Tianjin Lingang Air Separation Project, the Company delivers stable and reliable gas solutions to key clients including Sinopec-Saudi Aramco Petrochemical Co., Ltd., FAW Toyota Motor Co., Ltd., and Samsung Display Co., Ltd.; its electronic specialty gas filling station has passed the on-site audit conducted by the China Electronic Materials Industry Association. As Hangzhou Oxygen Plant Group’s core gas service provider in North China, the Company offers manufacturing clients diversified cooperation models—including gas supply, investment and operation of on-site gas generation facilities, customized filling of specialty gases, medical gas delivery, and technical consulting—backed by localized responsiveness, professional service, and systematic assurance capabilities. Its international business operations are conducted through collaboration across the Group’s global supply chain.

Tianjin Shiji Hangkai Electric Power Technology Co., Ltd. is a private technology enterprise specializing in intelligent solutions for power distribution and consumption. Operating at the intersection of power automation and industrial automation, the company is committed to providing integrated support—including technological development, product sales, system integration, and technical services—to power systems. Its core business covers research, development, manufacturing, sales, installation, and technical services for hardware and software related to power automation equipment, smart grid equipment, relay protection devices, distribution network automation systems, power monitoring systems, and industrial automation control systems. Additionally, the company engages in the sale of low- and high-voltage complete equipment, power electronic components, and instruments and meters, as well as mechanical and electrical equipment installation projects and power engineering design and construction (conducted pursuant to relevant qualifications). Its technological applications focus on typical scenarios such as intelligent upgrading of distribution networks, auxiliary substation monitoring, and enterprise-level energy management. Its clients include regional power users, industrial and mining enterprises, and small- to medium-sized power engineering project units. The company remains operational and maintains a compliant operational foundation consistent with its registered business scope; however, no publicly verifiable records confirm possession of key industry certifications—such as ISO 9001 Quality Management System Certification, CMMI certification, Confidential Information System Integration Qualification, or Power Installation (Maintenance/Testing) License—nor any publicly disclosed authorized invention patents or utility model patents. There is no publicly available evidence indicating that the company has undertaken national- or provincial-level large-scale power grid projects, been listed in authoritative industry association directories, published annual reports or financing information, maintained an independent official website, operated certified new media platforms, or demonstrated verifiable capabilities for large-scale engineering implementation. Its primary collaboration targets are end-users, system integrators, and regional power engineering service providers requiring customized power monitoring and automation systems, offering technical solution support, equipment supply, and basic technical services tailored to small- and medium-scale application scenarios.