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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.

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.

Tianqi Lithium (Shehong) Co., Ltd. is a core lithium salt production base established by Tianqi Lithium Corporation Limited (002466.SZ) in the Shehong Economic and Technological Development Zone of Suining City, Sichuan Province. The company specializes in the research and development, large-scale production, and green manufacturing of battery-grade lithium carbonate and monohydrate lithium hydroxide. Leveraging its “20,000-ton-per-year lithium carbonate/lithium hydroxide project,” the company employs a mature and stable sulfuric acid process, complemented by integrated systems for raw material pretreatment, leaching and purification, lithium precipitation and crystallization, drying and packaging, as well as resource recovery of wastewater and waste acid. Automation coverage across key production processes exceeds 95%, and the facility integrates MES (Manufacturing Execution System) and DCS (Distributed Control System) intelligent control systems to enable precise, end-to-end management. The site has obtained certification under ISO 9001, ISO 14001, and ISO 45001 management system standards; holds the Work Safety Production License, Pollutant Discharge Permit, and Hazardous Chemicals Registration Certificate; and has been included in both the Sichuan Provincial Green Manufacturing Demonstration List and the Ministry of Industry and Information Technology’s Announcement List of Enterprises Complying with the Lithium-Ion Battery Industry Normative Conditions. Its products strictly conform to national standards GB/T 26008–2023 (Battery-Grade Lithium Carbonate) and GB/T 26009–2023 (Battery-Grade Monohydrate Lithium Hydroxide), and meet international transportation requirements under UN 3480. As China’s first lithium salt plant achieving full-volume resource utilization of lithium slag (for ceramic aggregate construction materials) and 100% reuse of production wastewater, the company demonstrates outstanding technical capabilities in harmless disposal of lithium slag and zero discharge of concentrated brine. Currently operating at stable capacity, the facility has an annual designed capacity of 20,000 tons of lithium salt (expressed as LCE), contributing approximately 35% of Tianqi Lithium’s total domestic output. Its primary customers include globally leading power battery and cathode material enterprises such as Contemporary Amperex Technology Co., Limited (CATL), BYD, LG Energy Solution, and SK On. Serving both upstream and downstream industries in the value chain, the company offers high-quality lithium salt supply, customized technical collaboration, and cooperative solutions for green, low-carbon manufacturing.

Tianeng Chemical Co., Ltd. is a core subsidiary of Xinjiang Tianye (Group) Co., Ltd. and falls under the jurisdiction of the Eighth Division of the Xinjiang Production and Construction Corps. It is a state-controlled backbone enterprise specializing in the coordinated development of chlor-alkali chemical industry and circular economy. Anchored on an integrated industrial chain—“coal → power → calcium carbide → chlor-alkali → chemical new materials”—the company’s core businesses encompass research, production, and sales of polyvinyl chloride (PVC), caustic soda, calcium carbide, cement, and chemical by-products including chlorine gas, hydrogen gas, hydrochloric acid, and sodium hypochlorite. It has further expanded into high-value-added downstream materials derived from acetylene produced via the calcium carbide route—including paste resin, specialty PVC resins, and chlorinated polymers—whose applications span end-use sectors such as piping, profiles, and medical packaging. The company possesses comprehensive annual production capacities of 600,000 tons of PVC, 450,000 tons of caustic soda, 1,200,000 tons of calcium carbide, and 2,000,000 tons of cement. Key production processes employ domestically developed large-scale sealed calcium carbide furnaces, ion-exchange membrane caustic soda technology, and suspension polymerization technology; critical equipment is independently controllable. The company holds five invention patents and over 20 utility model patents, covering technical domains such as energy-saving control of calcium carbide furnaces, deep recovery of off-gas from PVC polymerization, and mercury-containing catalyst replacement. It has obtained certification for the three major management systems—ISO 9001, ISO 14001, and ISO 45001—and holds all statutory licenses, including the “National Industrial Product Production License,” “Work Safety Production License,” and “Pollutant Discharge Permit.” Its PVC products comply with the national standard GB/T 5761–2018; certain paste resins have successfully completed EU REACH registration and RoHS certification. Leveraging the chlor-alkali circular economy demonstration project at the Shihezi Chemical Industry Park, the company has constructed China’s first industrial-scale facility producing active calcium oxide and flue-gas desulfurization agents jointly from calcium carbide slag. Its 300,000-ton-per-year specialty PVC technology upgrade project commenced operations in 2023. Its service coverage extends across the entire Xinjiang Uygur Autonomous Region and includes western provinces such as Gansu, Qinghai, and Ningxia. It provides customized products and technical collaboration services to customers in sectors including construction materials, pharmaceuticals, and environmental protection materials.

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 Honghua Digital New Materials Co., Ltd. is a regional enterprise specializing in the research, development, and production of functional new materials for digital inkjet printing, falling under the specialty chemicals manufacturing subsector of the chemical raw materials and chemical products manufacturing industry. The company focuses on the R&D, production, and customized supply of reactive dye inks, disperse dye inks, acid dye inks, and associated auxiliaries for digital inkjet textile printing. Its primary downstream application areas include digital textile printing, personalized customization, and fast-response flexible supply chains. Leveraging its engineering implementation capabilities, the company has obtained three authorized utility model patents covering process segments such as ink mixing, filtration, and constant-temperature storage; its technical efforts concentrate on enhancing ink preparation stability and storage compatibility. Regarding project experience, the company provided trial-grade disperse inks to a dyeing and finishing enterprise in Hebei Province and, in 2022, won a small-batch customized ink procurement order from a Tianjin-based fashion design studio—demonstrating its rapid response capability and flexible supply capacity tailored to niche application scenarios. The company is currently in the initial stage of industrialization, primarily serving regional small- and medium-sized customers; no publicly available records indicate participation in national demonstration projects, major equipment supporting initiatives, or export business. Cooperation modes are flexible, supporting small-batch customization, sample trials, and regional ink supply partnerships—suitable for textile dyeing and finishing enterprises, design institutions, and fast-response supply chain service providers requiring functionally specific ink compatibility.

Tianjin Dengta Paint Industry Development Co., Ltd. is the designated successor entity of the original state-owned time-honored brand “Tianjin Dengta Paint,” and is controlled by Tianjin Bohai Chemical Industry Group. It ranks among China’s oldest and most technically profound enterprises in the paint industry, positioning itself within the national strategic emerging industries—specifically, “advanced foundational materials” and “high-end specialty chemicals.” The company focuses on research and development, production, and technical services for high-performance industrial coatings. Its core business covers sectors including aerospace, rail transit, marine engineering, energy equipment, automotive manufacturing, and high-end equipment manufacturing. Key products include waterborne, high-solids, and solvent-free industrial coatings; specialty functional coatings (e.g., conductive, thermal-insulating, and radar-stealth-compatible coatings); military-industrial supporting coatings; and green coating process packages. The company possesses end-to-end capabilities spanning resin synthesis, formulation design, coating application processes, and technical services. It hosts a Tianjin Municipal-recognized enterprise technology center and a key laboratory for waterborne industrial coatings, participates in formulating multiple national and industry standards, and holds over 30 valid invention patents. Its technological roadmap emphasizes environmental friendliness, functionality, and customization. In terms of certifications, the company complies with ISO 9001, ISO 14001, and ISO 45001 management systems; holds Grade II Confidentiality Qualification for Scientific Research and Production Units of Weapons and Equipment; and is certified under GJB 9001C–2017, the national military standard quality management system. Some of its products have obtained certifications from the China Classification Society (CCS), Germanischer Lloyd (GL), DNV GL (formerly Det Norske Veritas), and compliance declarations under the EU REACH regulation. Representative applications include protective coatings for the Long March series launch vehicles; coatings supplied to CRRC Qingdao Sifang and CRRC Changchun Railway Vehicles for high-speed train sets; long-term corrosion-protection systems for CNOOC’s Bohai Oilfield; coating solutions for Beijing-Tianjin-Hebei region metro systems—including Beijing Metro; and projects along the Belt and Road Initiative, such as anti-corrosion engineering for the Karachi Nuclear Power Plant in Pakistan and coating solutions for port machinery in Southeast Asia. The company operates primarily in the Beijing-Tianjin-Hebei region while serving the entire country, offering collaborative services including customized R&D, joint technical breakthroughs, domestic substitution support, and comprehensive green coating solutions.