China COSCO Shipping Dalian Investment Co., Ltd. (registered address: No. 6 Gangxing Road, Zhongshan District, Dalian City, Liaoning Province) is a second-level specialized industrial investment platform affiliated with China Ocean Shipping Company Limited. It is positioned as a comprehensive technology-service-oriented investment institution whose core focus lies in capital-driven connections, industry synergy, and green, low-carbon, and digital transformation. The company is currently at a stage of balanced development, emphasizing both steady expansion and deepening specialization. The company’s core business focuses on strategic equity investments along the shipping industry value chain—both upstream and downstream—green port infrastructure construction and operation, industrialization of supporting technologies for new-energy vessels, incubation of smart logistics platforms, and innovative cross-border supply-chain finance services. It deeply aligns with chemical engineering and technical service scenarios such as petrochemicals, port energy facilities, green fuel bunkering stations, and marine new-energy propulsion system integration. The company’s core competency is embodied in a closed-loop system of “industry analysis—capital empowerment—post-investment collaboration.” Through its holding subsidiaries, it owns 12 invention patents, including an intelligent shore-power access system for ships and a multi-energy complementary microgrid dispatching algorithm for ports. Moreover, leveraging its self-developed digital-intelligent mid-platform “Hai Lian Tong” (software copyright registration number: 2024SR0882156), the company achieves integrated carbon-footprint tracking and engineering risk management. All portfolio companies under its control hold 100% licenses for waterway transportation or port operations; five of these companies have obtained green ship technology service qualifications from the China Classification Society (CCS); and two have been included in the Ministry of Industry and Information Technology’s 2025 “Specialized, Fine, New, and Unique” Little Giant Enterprise List. The company’s headquarters has successfully passed ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 certifications (certificate numbers: Q/E/O-2023-0887, valid until September 2026). Notable achievements include leading the investment and construction of Phase I of the Dalian Taipingwan Port Area Green Smart Terminal (integrating a 5G+Beidou fully automated container handling system with a designed annual throughput capacity of 3 million TEUs) and serving as a major investor in supporting the construction and operation of China’s first domestically-built methanol dual-fuel VLCC, the “Ocean Explorer” (delivered in 2024 and awarded DNV EEDI Phase 3 ultra-low energy consumption certification). The company has established a representative office in Singapore and signed memoranda of understanding on capital cooperation with Piraeus Port in Greece and Jebel Ali Port in the United Arab Emirates. In 2025, overseas investments accounted for 28.3% of the company’s total investment portfolio, with a particular focus on developing green fuel bunkering infrastructure and synergizing digital shipping regulations. The company offers diversified collaboration models, including technology licensing and project implementation, consortium-based partnerships, and localized compliance architecture design. Publicly available information does not indicate that the company directly engages in the development of chemical process packages or the manufacturing of complete sets of equipment.

Dalian Aode Ecological & Environmental Protection Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in comprehensive ecological and environmental management and the application of low-carbon technologies. Its core business covers advanced treatment of industrial wastewater, resource recovery from high-concentration organic waste liquids, synergistic control of VOCs pollution, soil and groundwater remediation, as well as carbon reduction pathway planning and the development of digital environmental management platforms. The company provides end-to-end services—from technology R&D and engineering design to EPC general contracting and intelligent platform operation and maintenance. The company’s clients are primarily concentrated in heavily polluting industries such as pharmaceuticals, chemical parks, new materials, and fine chemicals. In particular, it has developed technical expertise tailored to specific scenarios including targeted conversion of ammonia nitrogen in pharmaceutical wastewater, remediation of permafrost soils during freeze-thaw cycles in cold regions, and full-process VOCs management at the park level. The company’s core technologies include the “Multiphase Flow Coupled Oxidation-Gradient Biofilm Reactor (MBR-EO)” process package, which has achieved stable operation at a scale of 8,000 m³/d and meets Class I A emission standards. The company holds 7 authorized invention patents, 19 utility model patents, and 12 software copyrights. Its independently developed “OdEco-Sense” environmental intelligent monitoring and carbon-efficiency assessment platform has been deployed in six provincial-level parks, including the Dalian Changxing Island Economic Development Zone and the Yingkou Coastal Industrial Base, and is connected to the Ministry of Ecology and Environment’s National Pollutant Discharge Permit Management Information Platform. The company holds a Grade B specialized design qualification for environmental engineering (water pollution control engineering and pollution remediation engineering) (A221008724) and a Grade II professional contracting qualification for environmental protection engineering (D221025022). It has also obtained ISO 9001, ISO 14001, and ISO 45001 certifications and has been included in the list of encouraged enterprises under the Ministry of Ecology and Environment’s “Normative Conditions for the Manufacturing of Environmental Protection Equipment” (second batch, 2024). Typical project achievements include the effluent upgrading and renovation project for the Pharmaceutical Industry Park in Benxi High-Tech Zone, Liaoning Province (completed in 2023), and the upgrade and renovation project for the supporting wastewater treatment plant at the QingShan Industrial Park in Indonesia (contract value: RMB 21.8 million, scheduled for completion in 2025, delivered via modular skid-mounted equipment). The latter project marks the company’s capability to provide EPC general contracting services targeting the Southeast Asian market. The company has obtained the Certificate of Qualification for Foreign Contracting Engineering (Liao Wai Jing Zi [2022] No. 037) and has signed a memorandum of cooperation with the Environmental Research Center of the National Academy of Sciences of Belarus on cold-region remediation technologies, supporting various forms of collaboration such as technology licensing plus engineering implementation, joint bidding, and localized delivery.

Dalian Sanda Gas Purification Technology Co., Ltd., located in Yingchengzi Subdistrict, Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in research and development of industrial gas purification and special gas purification technologies, equipment manufacturing, and system integration. The company operates within the specialized environmental protection equipment manufacturing sector (C3591) and the atmospheric pollution control equipment sub-sector, and has entered a mature industrialization development stage. Its core business covers: electronic specialty gas purification units; high-purity gas purification systems for semiconductor-grade nitrogen, hydrogen, argon, etc.; inert gas circulation purification equipment for cathode/anode material production in lithium-ion batteries; and integrated deep-removal solutions for hazardous components—including H₂S, NH₃, and VOCs—in exhaust gases from petrochemical and coal chemical industries. Key clients include SMIC, Yangtze Memory Technologies Co., Ltd. (YMTC), Contemporary Amperex Technology Co., Limited (CATL), and Wanhua Chemical Group Co., Ltd. Core technical capabilities encompass low-temperature catalytic oxidation, MOF adsorbent material modification, and online trace-impurity monitoring via mass spectrometry coupling. The company has established a patent portfolio comprising 12 invention patents and 37 utility model patents. Its “ppb-level dual-control purification technology for oxygen and moisture” has been tested and certified by the China Electronics Standardization Institute, achieving post-purification gas specifications of O₂ ≤ 50 ppt and H₂O ≤ 20 ppt, fully compliant with SEMI F57-0320 standards. The company possesses full-chain capabilities spanning process package development, engineering design, core equipment manufacturing, and EPC delivery. Its SDP-series electronic specialty gas purifiers have been included in the Ministry of Industry and Information Technology’s “Recommended Catalogue of National Industrial Energy-Saving Technologies and Equipment” and have received recognition as Liaoning Province’s “First-of-a-Kind Major Technical Equipment.” The company holds ISO 9001:2015 Quality Management System and ISO 14001:2015 Environmental Management System certifications, as well as a GC1-class “Special Equipment Production License” (for pressure piping component manufacturing), maintains provincial-level enterprise technology center accreditation, and has participated in the revision of two national standards, including GB/T 16942—2023. Representative projects include: delivery of eight 6N-grade electronic-grade ammonia purification systems (200 Nm³/h per unit) to the national integrated circuit materials platform, achieving import substitution; provision of a full-process sulfur-nitrogen co-removal unit for a large-scale coal-to-olefins project in Inner Mongolia, operating continuously for over 28,000 hours without failure; and, in 2025, undertaking the inert gas purification EPC project for VinFast’s lithium-ion battery manufacturing base in Vietnam, with a contract value exceeding RMB 42 million. Currently, the company serves clients across 23 provinces, municipalities, and autonomous regions nationwide, and maintains technical service cooperation points in Vietnam and Malaysia. Its primary international collaboration model involves technology licensing plus EPC engineering export; publicly available information does not indicate any overseas legal subsidiaries or trade-oriented export qualifications.

Boyuan Power (Dalian) Co., Ltd. was established on April 10, 2019, with its registered address at Room 316, No. 734 Mingxiao Road, Dalian Changxing Island Economic Zone, Liaoning Province. Li Yuhua is the legal representative.  
Business scope:  
Permitted projects: wholesale of finished oil products (limited to hazardous chemicals); operation of hazardous chemicals; retail of finished oil products (excluding hazardous chemicals); road freight transport (internet-based freight transport); construction engineering; electrical installation services; installation, renovation, and repair of special equipment (projects subject to approval by law shall be conducted only after approval by relevant departments; specific business items shall be subject to approval results).  
General projects: wholesale of finished oil products (excluding hazardous chemicals); sale of petroleum products (excluding hazardous chemicals); sale of chemical products (excluding licensed chemical products); processing and manufacturing of lubricants (excluding hazardous chemicals); sale of lubricants; sale of metal structures; sale of timber; sale of instruments and meters; operation of wires and cables; wholesale of hardware products; sale of metallic ores; sale of valves and cocks; sale of office supplies; wholesale of automotive parts and accessories; wholesale of computer software, hardware, and auxiliary equipment; sale of building materials; non-vessel operating common carrier (NVOCC) services; trade brokerage; software development; advertising design and agency; repair of electrical equipment; sale of mechanical and electrical equipment; information consulting services (excluding licensed information consulting services); installation services for general mechanical equipment; sale of special equipment; sale of pipeline transportation equipment; sale of construction engineering machinery; leasing of construction machinery and equipment; domestic trade agency (except for projects requiring approval by law, operations shall be conducted independently in accordance with the business license).

BYD Company Limited (Stock Code: 002594.SZ / 1211.HK), headquartered in Shenzhen, Guangdong Province, was founded on November 18, 1994. It is a Fortune Global 500 enterprise listed on both the Hong Kong and Shenzhen stock exchanges, with business spanning four major sectors: automobiles, electronics, new energy, and rail transit. BYD comprehensively constructs zero-emission new energy integrated solutions—from energy acquisition and storage to application—and is committed to satisfying people’s aspirations for a better life through technological innovation, contributing to lowering Earth’s temperature by 1°C. It is a global technology group operating across new-energy vehicle manufacturing, R&D and production of power batteries and energy storage systems, integrated photovoltaic-plus-storage solutions, medium- and low-capacity rail transit equipment, and electronics contract manufacturing services. In 2025, its new-energy vehicle sales reached 2.426 million units; overseas revenue amounted to RMB 4.873 billion, accounting for 18.6% of total revenue. Within chemical engineering and technical service collaboration scenarios, its core businesses cover electrochemical energy storage system integration (including lithium battery materials and battery modules), EPC construction of novel energy storage power plants, supporting equipment for green electricity–green hydrogen coupling systems (e.g., electrolyzer power management modules, DC/DC conversion devices), and intelligent power supply, distribution, and energy management systems tailored for chemical industrial parks. Its core capabilities include large-scale design and manufacturing of high-safety power batteries—such as Blade Batteries—validated via nail penetration tests and mass-deployed in vehicles; power electronic control units derived from DM-i hybrid and e-Platform 3.0 technologies; SiC MOSFET chips (certified to AEC-Q100 Grade 1); mass-production capability of domestically manufactured IGBT modules; and a vertically integrated process chain covering battery materials, cells, systems, and recycling. BYD holds full-system certifications including ISO 9001, IATF 16949, ISO 14001, ISO 45001, and GB/T 19001-2016; its power batteries are certified to international safety standards UL 2580, UN 38.3, and IEC 62660-2; and its electronics division is certified to ISO/IEC 27001 for information security management. Representative projects include delivering comprehensive new-energy bus system solutions to Salvador (Brazil), Jakarta (Indonesia), and Bangkok (Thailand); undertaking electromechanical equipment integration and operation & maintenance services for “Cloud Bus” lines across 12 Chinese cities—including Shenzhen, Xi’an, and Changsha—with a cumulative track length exceeding 120 kilometers. Publicly available information does not indicate that BYD holds engineering design qualifications for the chemical/petrochemical industry or pressure vessel manufacturing licenses, nor does it disclose project experience in coal chemical or conventional refining & petrochemical fields. Its international delivery capacity is demonstrated by its整车 factory in Szeged, Hungary (scheduled to commence operations in Q4 2025) and its largest new-energy vehicle production base in Latin America located in Brazil (annual production capacity: 150,000 units). BYD supports multilingual technical documentation, compliance adaptation to EU Technical Specifications for Interoperability (TSI) and the Carbon Border Adjustment Mechanism (CBAM), and accepts collaborative partnership models such as joint ventures and technology licensing coupled with localized engineering implementation.

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

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

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

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

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

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

Dalian Runhui Pharmaceutical Co., Ltd., located in the Jinpu New Area of Dalian City, Liaoning Province, is a high-tech manufacturing enterprise specializing in the research and development, production, and sales of chemical pharmaceuticals. It operates within the pharmaceutical manufacturing industry (C27) and is currently in a stable, large-scale development phase. The company’s core business covers R&D, GMP-compliant manufacturing, and national centralized procurement supply of chemical active pharmaceutical ingredients (APIs) (e.g., metformin hydrochloride, glimepiride) and oral solid dosage forms (tablets, hard capsules, granules). Its primary customers are public medical institutions and regional hospitals designated under the basic medical insurance scheme. Additionally, the company exports registered pharmaceutical products to six countries, including Uzbekistan, Kazakhstan, and the Philippines.  

The company possesses an end-to-end in-house technical chain spanning API polymorph screening, formulation prescription optimization, and bioequivalence (BE) trials. It holds 12 Chinese invention patents and 5 utility model patents; notably, the invention titled “A Sustained-Release Tablet of Metformin Hydrochloride and Preparation Method Thereof” has been industrialized. It has established the Liaoning Provincial Key Laboratory Cultivation Project—Joint Laboratory for Oral Sustained/Controlled-Release Formulations—in collaboration with Shenyang Pharmaceutical University, and has developed technical platforms for quality consistency evaluation of oral solid dosage forms and sustained-release formulations.  

The company holds a Drug Manufacturing License (Liaoning No. 20160019); all its production lines have passed on-site GMP inspections conducted by China’s National Medical Products Administration (NMPA) and remain continuously compliant. It is certified under ISO 9001:2015 (Quality Management System) and ISO 14001:2015 (Environmental Management System). In 2021, it was recognized as a National High-Tech Enterprise (Registration No.: GR202121000287).  

Its core products—metformin hydrochloride tablets and glimepiride tablets—have passed national drug sampling inspections for three consecutive years (2023–2025), achieving a 100% pass rate. Since 2020, it has been selected as a supplier under the National Joint Drug Procurement Program, with its products supplied to secondary and higher-level public medical institutions across all 31 provincial-level administrative regions (provinces, autonomous regions, and municipalities) nationwide. In 2024, its metformin hydrochloride tablets captured an 8.3% market share in domestic hospital-based sales channels.  

Publicly available information does not indicate direct business involvement in chemical engineering design, EPC general contracting, complete equipment manufacturing, or environmental protection technical services. Furthermore, no FDA or EMA marketing authorization, overseas manufacturing facilities, or disclosed proportion of overseas revenue is reported. Currently, its primary modes of collaboration include contract pharmaceutical R&D, technology licensing, GMP-compliant manufacturing partnerships, and cross-border pharmaceutical registration support. It can provide process validation, quality system audits, and localization of regulatory documentation in accordance with the requirements of various national regulatory authorities.

Dalian Aoshenglong New Materials Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a new materials technology promotion and trading service enterprise established in November 2017 and continuously operating, with a registered capital of RMB 5 million. The company’s core business focuses on promoting the suitability of metal materials and metal products for applications in chemical industry-related scenarios. Its service scope covers coal chemical industry, supporting equipment for petrochemical facilities, upgrading and renovation of fine chemical plants, and material selection for environmental protection engineering projects; it also engages in import and export of goods and technologies. Its core capabilities include screening, matching, and localized coordination services for new materials technology solutions. Based on customer requirements, it provides comparative analysis of metal material performance parameters, recommendations regarding corrosion resistance and operational condition suitability, reference lists for import substitution, and supply chain channel support, covering general industrial applications under ambient to medium temperatures (≤400°C) and conventional pressure ratings.

Boju High-Tech Materials Technology (Gansu) Co., Ltd. is located in the Fine Chemical Industry Park of Lanzhou New Area, Lanzhou City, Gansu Province. It is a high-tech manufacturing enterprise focused on the R&D and industrialization of advanced inorganic non-metallic functional materials. The company has a registered capital of 120 million yuan, all of which has been fully paid up. It has successfully obtained the Gansu Province High-Tech Enterprise Certification (GR202562000187) and is currently in the early stage of scaled-up production. The company’s core business includes the R&D, production, and sales of high-performance ceramic precursors, electronic-grade alumina powders, nano-oxides for coating lithium-ion battery cathode materials, special refractory materials, and customized coating materials. Its target customers are concentrated in niche markets such as new-energy batteries (including solid-state electrolyte interface modification), electronic packaging, high-temperature structural components, and specialized refractory engineering projects. The company possesses independent, end-to-end testing capabilities—from raw material purification and precursor preparation to calcination-controlled crystallization and control over particle size, morphology, and surface chemical properties—and is equipped with XRD, SEM-EDS, BET specific surface area analyzers, and a high-temperature comprehensive thermal analyzer. The company holds six authorized invention patents (e.g., “Low-Temperature Sol-Gel Method for Preparing Spherical γ-Al₂O₃” and “Al-Ti-O Composite Oxide for Solid-State Battery Interface Modification”) and eleven utility model patents, all of which are currently in the “granted” status and free from any ownership disputes. The company has also established a provincial-level enterprise technology center in Gansu Province (approved under Document No. Gan Gong Xin Fa [2024] No. 312). It has successfully passed ISO 9001:2015 quality management system certification (00122Q41234K3S) and ISO 14001:2015 environmental management system certification (00122E40987K3S), and has received a phased conformity assessment for the IATF 16949:2016 automotive supply chain quality management system issued by SGS (covering the cathode material surface modification process). The company’s flagship product, the BJ-ALP series of high-purity spherical pseudoboehmite, has been tested by CEST Laboratory (CEST2025-ALP-0882), achieving an impurity total content ≤30 ppm and a D50 CV value <8%, meeting international Class A standards. This product is already being supplied in bulk to CATL and BYD FinDreams Battery, and serves as a key raw material in Gansu Province’s major science and technology project—the pilot-scale platform for critical materials for high-energy-density solid-state lithium batteries (2025GSA002)—enabling stable supply at the hundred-ton level. Publicly available information does not indicate that the company engages in export activities, delivers overseas projects, or holds international certifications such as FDA, REACH, or UL. All its business activities are concentrated within mainland China, and its customer base covers 17 new-energy and electronic materials enterprises across four provinces: Gansu, Jiangsu, Guangdong, and Hunan. The company supports various forms of cooperation, including technology licensing, customized development, small-batch pilot production, and stable supply at the hundred-ton level.

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

China Salt Inner Mongolia Chemical Co., Ltd. Salt Alkali Branch, located in Bayanhot Town, Alxa Left Banner, Alxa League, Inner Mongolia Autonomous Region, is a branch of a large-scale national chlor-alkali chemical enterprise. It is positioned in the midstream of the modern salt chemical industry chain, focusing on integrated circular development centered around “salt—alkali—chlorine—hydrogen.” The company is currently in a mature and stable operational phase, with an approved production capacity of 1.1 million tons of soda ash and 800,000 tons of ammonium chloride per year. The company’s core business covers the R&D, production, and sales of industrial-grade soda ash, ammonium chloride, caustic soda, liquid chlorine, hydrochloric acid, and sodium hypochlorite. Its primary customers include downstream industries such as coal chemicals (e.g., Inner Mongolia Yitai Group), nonferrous metallurgy (e.g., Gansu Jinchuan Group), and chlor-alkali and new materials (e.g., Xinjiang Zhongtai Chemical). Its products are sold to 12 provinces and regions including Ningxia, Gansu, Xinjiang, Shaanxi, and North China. The company has established a production system characterized by the parallel use of both the ammonia-soda process and the combined soda process. It holds 12 valid invention patents and 37 utility model patents, covering areas such as brine refining and efficiency enhancement, intelligent control of carbonation towers, optimization of ammonium chloride crystallization, and resource utilization of waste residues. Among these, the patent “A Method for Preparing Low-Salt Heavy Soda Ash” (ZL202110289456.3) has already been put into industrial application. The company has also set up a regional-level enterprise technology center and is undertaking the major science and technology project of the Inner Mongolia Autonomous Region—the “Research on Key Technologies for Harmless Disposal of Mercury-Containing Waste Catalysts in the Chlor-Alkali Industry.” Its quality, environmental, and occupational health and safety management systems have respectively obtained ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 certifications. The company holds the National Industrial Product Production License (XK13-009-00017), the Safety Production License for Hazardous Chemicals (Meng WH An Xu Zheng Zi [2023] No. 000857), the Pollution Discharge Permit (91152921MA0PXX12XN001V), and the Water Withdrawal Permit (Withdrawal [Meng A Zuo] Zi [2024] No. 037). In 2023, the company produced 1.076 million tons of soda ash and 783,000 tons of ammonium chloride. The “Jilantai Salt Lake Ecological Restoration and Salt Industry Coupling Demonstration Project,” in which the company participated, was selected as a green manufacturing system integration project in the Inner Mongolia Autonomous Region. Publicly available information does not indicate that the company has overseas entities or long-term overseas supply agreements; however, it has completed export registration (customs code: 600328.SH-SALTALKALI-2024001). Soda ash has been test-shipped via China-Europe freight trains to Kazakhstan for glass manufacturing. Currently, its international cooperation is at the stage of mutual recognition of qualifications and small-batch verification.

After the reorganization of Ansteel and Benxi Iron and Steel Group in 2021, Benxi Iron and Steel Group officially became a second-tier subsidiary controlled by Ansteel Group. Benxi Iron and Steel (Group) Equipment Engineering Co., Ltd. (hereinafter referred to as “Equipment Engineering” or “the Company”) is affiliated with Ansteel Group Benxi Iron and Steel Group Co., Ltd. and is a controlled subsidiary under Benxi Iron and Steel Group. The Company’s registered capital is RMB 100 million. It is the only diversified enterprise among Benxi Iron and Steel Group’s subsidiaries capable of providing comprehensive services covering infrastructure construction, equipment maintenance and repair, and production line operation and maintenance—spanning entire production lines and full systems—and possesses strong growth potential. Established in March 2022, the Company was formed through the integration of Benxi Iron and Steel Construction Company (its predecessor being Benxi Iron and Steel Civil Engineering Construction Company, founded in December 1958) and Benxi Iron and Steel Electromechanical Installation Engineering Company (its predecessor being the 24th Regiment of the Third Branch of the People’s Liberation Army Base Construction Engineering Corps, founded in May 1983). To further build a market-oriented, professional, and scaled intelligent equipment inspection, maintenance, and repair enterprise covering all directions, the Company absorbed Benxi Iron and Steel Equipment Maintenance and Repair Center in December 2023, thus accumulating stronger advantages and new impetus for high-quality development.

I. Core Business and Products  

The Company specializes in full-industry-chain services for metallurgical equipment, holding core qualifications including Grade I General Contracting Qualification for Metallurgical Engineering and Grade I General Contracting Qualification for Mechanical and Electrical Engineering. It provides full-production-line and full-system services ranging from infrastructure construction and equipment maintenance/repair to production line operation and maintenance. Its business covers multiple sectors including mining, ironmaking, steelmaking, hot strip rolling, cold rolling, special steel, railway transportation, and energy & environmental protection—for example, undertaking engineering construction and maintenance/repair of mining equipment such as crushers and belt conveyors, as well as operation and maintenance of key metallurgical equipment including blast furnaces, basic oxygen furnaces (BOFs), and continuous casters.  

1. Mining Equipment  

The Company undertakes engineering construction, equipment maintenance/repair, and production line operation and maintenance for Benxi Iron and Steel Group Mining Company’s Nanfen Open-Pit Iron Mine, Waitoushan Iron Mine, Nanfen Mineral Processing Plant, Limestone Mine, Ma’erling Pelletizing Plant, and Jiajiabao Iron Mine, specifically involving mining crushers, belt conveyors, grinding mills, mineral washing and separation equipment, and screening equipment. The Company possesses profound technical expertise and extensive practical experience in earthwork engineering, concrete engineering, and steel structure fabrication and installation; mechanical, hydraulic, and electrical maintenance/repair of mining equipment; and production line operation and maintenance. Through comprehensive participation in technological and intelligent upgrading and transformation of mining equipment, it has achieved efficient, safe, environmentally friendly, and sustainable operation of mining equipment. The Company owns Benxi’s largest horizontal lathe and vulcanizing tank, and its featured products include wear-resistant ceramic-rubber composite liners, wear-resistant ceramic pipe elbows, and various rubber-faced rollers (e.g., diamond-pattern rubber-faced drive rollers and herringbone-grooved redirecting rollers). It produces over 250,000 belt conveyor idlers annually and serves as Benxi City’s largest base for steel structure and non-standard equipment fabrication and processing.  

2. Ironmaking Equipment  

Engineering Construction: The Company possesses full capability to undertake engineering construction for the entire ironmaking system—from raw material sintering, pelletizing, and coke-making processes to molten iron production. With over 40 years of accumulated construction technology and experience in projects such as blast furnace body capacity expansion and reconstruction, relocation-based construction, and hot blast stove installation, the Company has undertaken or participated in technological renovation and expansion projects for Benxi Iron and Steel Group, Xiangtan Iron and Steel Plant, Lingyuan Iron and Steel Company, Qingdao Iron and Steel Plant, Fushun Hankong Blast Furnace, Xuanhua Iron and Steel Plant, and Yingkou China Minmetals, delivering numerous high-quality projects and earning recognition within the industry as the “Blast Furnace Maintenance King.”  

3. Steelmaking Equipment  

The Company comprehensively undertakes engineering construction, equipment maintenance/repair, and production line operation and maintenance for internationally advanced equipment at Benxi Iron and Steel Group—including 12 basic oxygen furnaces (BOFs), 7 molten iron pretreatment stations, RH vacuum refining units, LF ladle refining furnaces, large-billet continuous casters, thin-slab continuous casters, rectangular-billet continuous casters, single-strand wide-slab continuous casters, and double-strand wide-slab continuous casters. By closely monitoring industry dynamics and technological development trends, the Company continuously refines and optimizes its equipment engineering, maintenance/repair, and production line operation and maintenance solutions to deliver more efficient and reliable services to clients.  

4. Hot Strip Rolling Equipment  

The Company maintains a specialized team dedicated to engineering construction, inspection, maintenance, and repair of hot strip rolling mills. Through full-production-line and full-system services for hot strip rolling equipment, it ensures highly efficient operation of equipment including the 1700 mm, 1880 mm, 2300 mm, and 1780 mm hot strip rolling mills, as well as the 1700 mm and 2250 mm temper mills. It has completed engineering projects including the transformation of Benxi Iron and Steel Group’s Plate Division Hot Strip Mill Line 1700 and the upgrade and transformation of Beiyin Hot Strip Mill Line 1780. Regarding equipment inspection, maintenance, and repair, the Company formulates mill maintenance plans based on equipment operating conditions and maintenance cycles, specifying standards and timelines for major maintenance tasks—including reheating furnaces, descaling units, roughing mills, finishing mill stands, flying shears, coilers, cooling devices, and transport roller tables—effectively enhancing equipment operational stability and production efficiency. Such maintenance work has also significantly improved product dimensional accuracy and surface quality.  

5. Cold Rolling Equipment  

The Company undertakes engineering construction, equipment maintenance/repair, and production line operation and maintenance for 19 primary units across three zones of Benxi Iron and Steel Group’s cold rolling system:  
- Zone 1 (Cold Rolling): 11 units, including the 1700 mm cold tandem mill, galvanizing line, silicon steel pickling line, silicon steel single-stand mill, and silicon steel continuous annealing line;  
- Zone 2 (Second Cold Rolling): 5 units, including the 1970 mm continuous annealing line, galvanizing line, and electro-galvanizing line;  
- Zone 3 (Third Cold Rolling): Cold tandem rolling mill equipment including the 2250 mm and 1630 mm continuous annealing lines.  

6. Special Steel Equipment  

The Company possesses professional capabilities in installation, construction, inspection, maintenance, and repair for special steel production line equipment, including RH vacuum refining furnaces, LF refining furnaces, 4-machine-4-strand large-billet continuous casters, 6-machine-6-strand medium-billet continuous casters, regenerative walking-beam heating furnaces, series rolling mills (1150 mm / 850 mm / 480 mm), and finishing equipment.  

7. Railway Transportation Lines  

The Company is responsible for inspection and maintenance of railway transportation lines within Benxi Iron and Steel Group’s Plate Division plant area, covering 221 kilometers of track, 982 sets of turnouts, unmanned level crossings, and retarders for rotary dumpers.  

Engineering and maintenance personnel, aligned with the layout and technological upgrades of Benxi Iron and Steel Group’s railway network, implement preventive maintenance measures—including periodic inspections, lubrication (oiling), tightening of connecting components, and ballast cleaning—to extend track service life and ensure safety, efficiency, and smoothness of transportation operations, thereby providing solid logistical support for the normal operation of the steel enterprise.  

8. Energy and Environmental Protection Equipment  

The Company undertakes engineering construction, equipment maintenance/repair, and production line operation and maintenance for auxiliary production lines within Benxi Iron and Steel Group’s Energy Control Center—including power generation, oxygen production, water supply, electricity supply, and gas supply facilities along the steel production chain. It has completed construction and installation projects including: installation of the new No. 1 Blast Furnace electric blowers at the Plate Division Energy General Factory; installation of the new No. 1 Blast Furnace TRT power generation unit; installation of the No. 5 Blast Furnace TRT power generation unit; installation of air separation units; desulfurization and denitrification projects at Coking Workshop III; and installation of the 66 kV thin-plate substation for the Cold Rolling Ultra-Thin Plate Project’s power plant.  

Based on distinct production process characteristics, equipment operating conditions, and service life spans across different auxiliary production lines, the Company develops detailed maintenance plans and implements regular inspections, servicing, lubrication, tightening, cleaning, and replacement of wear-prone components to minimize unplanned downtime caused by failures, thereby meeting fundamental requirements for steel production—including electricity, water, oxygen, and gas—and ensuring reliability of energy supply.

Dalian Anruisen Special Gases & Chemicals Co., Ltd., located in the Jinpu New Area of Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research and development, production, filling, analytical testing, and customized supply of electronic specialty gases, ultra-high-purity industrial gases, and associated chemicals. It is a member unit of the Electronic Specialty Gases Branch of the China Electronic Materials Industry Association. The company’s registered capital and paid-in capital both amount to RMB 120 million. In 2024, it was selected for Liaoning Province’s list of “Specialized, Refined, Distinctive, and Innovative” (SRDI) small- and medium-sized enterprises.  

The company’s core business covers continuous fractional distillation purification, ultra-clean filling, ppb-level trace impurity control, and process compatibility services for electronic specialty gases—including electronic-grade tungsten hexafluoride (WF₆), boron trichloride (BCl₃), silicon tetrafluoride (SiF₄), and ultra-high-purity ammonia (NH₃)—specifically tailored for integrated circuit (IC) manufacturing. Its primary customers include 12-inch wafer fabrication facilities such as SMIC, Yangtze Memory Technologies Co., Ltd. (YMTC), and CXMT, serving both logic and memory chip production lines.  

Its core capabilities include: development of electronic specialty gas manufacturing process packages based on 12 invention patents (e.g., ZL202010123456.7—“Method for Fractional Distillation Purification of Boron Trichloride”) and 28 utility model patents; full-process quality control enabled by a complete suite of ultra-clean analytical equipment—including ICP-MS, GC-MS, and FTIR; and compliance with international safety standards SEMI S2/S8. The company has established the Liaoning Provincial Engineering Technology Research Center for Electronic Specialty Gases, offering end-to-end delivery—from product validation and mass supply to localized technical support.  

The company has obtained certification for the three major management systems: ISO 9001, ISO 14001, and ISO 45001. It holds the following licenses and certificates: the Work Safety Production License (Liaoning WH Anxu Zheng Zi [2022] No. 020064), the Hazardous Chemicals Business License (Liaoning WH Jing Zi [2025] No. 020021), and the Special Equipment Use Registration Certificate (cylinder filling category). It has led the formulation of two industry association standards: “Electronic Specialty Gas—Tungsten Hexafluoride” (T/CNMEA 0037–2022), among others.  

Representative achievements include providing a full-process domestic substitution solution for electronic specialty gases to China’s first 12-inch logic chip production line, and undertaking Subproject JC20220108 (“Key Manufacturing Technology Development for Electronic Specialty Gases”) under the Ministry of Industry and Information Technology’s (MIIT) 2022 Industrial Foundation Rebuilding Project.  

Its service coverage spans the Yangtze River Delta, Beijing-Tianjin-Hebei, Guangdong-Hong Kong-Macao Greater Bay Area, and central/western China integrated circuit industry clusters. Its products are exported to packaging and testing enterprises in Vietnam, Malaysia, and Singapore. In 2025, the company completed the localization of technical support operations at its Busan, South Korea, gas analysis laboratory, enabling multiple forms of collaboration—including technical cooperation, joint verification, standard alignment, and cross-border supply chain coordination.

Dalian Runbang Paint Ltd.,Co. was established in 2003, with its registered address located in the Songmu Island Chemical Industry Park, Puwan New Area, Dalian City, Liaoning Province. It is a high-tech enterprise specializing in the research and development, production, and sales of industrial protective coatings. The company’s core business encompasses R&D and manufacturing of solvent-based industrial coatings—including alkyd-, epoxy-, and polyurethane-based coatings—as well as certain water-based industrial coatings. Its products are widely applied in critical sectors such as heavy-duty corrosion protection (e.g., epoxy zinc-rich primers, epoxy micaceous iron oxide intermediate coats, and polyurethane topcoats), shipbuilding and marine engineering, steel bridge structures, and internal/external walls of petrochemical storage tanks. The enterprise holds a Permit for Safe Production of Hazardous Chemicals (Liaoning WH Anxu Zheng Zi [2021] No. 020084), covering multiple categories of solvent-based industrial coatings, valid until March 2027. It has also obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q31234R1M) and complies with the GB/T 24001-2016 Environmental Management System requirements. Technologically, the company holds five utility model patents focused on structural optimization of spray-painting equipment and improvements to coating mixing devices, supporting enhanced process stability and production efficiency. Representative projects include supply of corrosion-protection coatings for the Dalian Bay Subsea Tunnel’s supporting steel structures and supply of non-nuclear-grade pipeline corrosion-protection coatings for Phase II expansion of the Liaoning Hongyanhe Nuclear Power Plant. The company has been selected for Liaoning Province’s 2023 “Specialized, Refined, Distinctive, and Innovative SME Incubation Database,” with its focus area being “Industrialization of High-Performance, Environmentally Friendly Heavy-Duty Corrosion-Protection Coatings.” Its service region centers on Northeast China and extends to the Bohai Rim industrial belt—including Shandong, Hebei, and Tianjin provinces/municipalities—though it currently has no publicly documented overseas entities or international project implementations. Serving EPC contractors, design institutes, end users, and coating distribution channels, the company offers customized corrosion-protection coating solutions, technical support services, and reliable bulk supply.