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Huanghe Datong Power Generation Co., Ltd. is located in Datong Hui and Tu Autonomous County, Xining City, Qinghai Province. It is a state-owned thermal power generation enterprise controlled by State Power Investment Corporation Limited (SPIC), established in January 2005, with registered capital of RMB 1.02 billion. The company operates within the electric power and heat production and supply industry (D4411). Its primary business involves power generation and industrial steam supply using two 300 MW subcritical coal-fired air-cooled condensing heating units, serving energy-stable demand in high-energy-consumption industrial agglomeration zones—including coal chemical, salt lake chemical, and electrolytic aluminum industries. Concurrently, the company has installed ultra-low emission environmental protection facilities, including desulfurization, denitrification, and dust removal systems. In 2023, its flue gas continuous emission monitoring system (CEMS) was connected to the Ministry of Ecology and Environment’s platform; emissions have consistently remained below the special emission limits stipulated in GB13223-2011. Core capabilities center on integrated cogeneration system design and implementation of regional centralized heating projects, with full-system design adaptation capability for 300 MW-class air-cooled units. Key equipment includes Dongfang Electric DG300/17.4-II boilers and turbine-generator sets; auxiliary systems integrate Zhongkong Technology’s DCS control system and Guodian Nanzi intelligent protection devices; overall domestication rate exceeds 92%. The company provides technical services covering unit operation and maintenance, environmental protection facility technological upgrades, and coordinated dispatch of heating networks. It has obtained CQC’s integrated three-system certification (ISO 9001/14001/45001) and holds the “Electric Power Business License” (No. 1010219-01022) issued by the Northwest Regulatory Bureau of the National Energy Administration, authorizing thermal power generation, valid until December 2034. As of the end of 2025, cumulative electricity generation exceeded 38 billion kWh; heating coverage spans approximately 6.5 million square meters across Datong County and the Beichuan area of Xining City, supporting Qinghai’s “West-to-East Power Transmission” corridor and foundational energy security for regional chemical industrial parks. Public records indicate no involvement in overseas projects, international engineering contracting, or inter-provincial direct green electricity supply; no independent R&D institution, patent count, or ESG-specific initiatives are disclosed; the official website is inaccessible, and ICP registration information has expired. Current cooperation models focus exclusively on localized energy supply, heating system operation & maintenance support, and environmental technology upgrade services for thermal power plants, with service radius strictly confined to Qinghai Province’s administrative boundaries. The company does not currently engage in process package provision, EPC general contracting, or equipment export services targeting chemical enterprises.

Dalian Jinzhou  Gaohong Gas Factory is located in Hongta Village, Yongzheng Subdistrict, Jinhua District, Dalian City, Liaoning Province. Established in 2005, it is a personally owned enterprise that has operated continuously for nearly two decades. The factory specializes in the production, filling, and sale of industrial gases and functions as a regional foundational gas service provider. Its business covers Dalian City and surrounding cities including Yingkou and Dandong, focusing on on-site gas supply and bottled-gas delivery for small- and medium-sized manufacturing customers. Core business activities include the full-process filling and sale of oxygen, nitrogen, argon, carbon dioxide, acetylene, hydrogen, liquid oxygen, liquid nitrogen, liquid argon, and dissolved acetylene. Typical application scenarios encompass metal welding and cutting in mechanical processing, inert gas protection for food preservation, medical gas supply to healthcare facilities, and small- to medium-scale chemical and manufacturing processes such as metal heat treatment and electronic component cleaning. The enterprise possesses filling capabilities for mobile pressure vessels (liquid oxygen, liquid nitrogen, liquid argon) and conducts compliant operations under its self-held Special Equipment Production License (TS2221025-2026) and Hazardous Chemicals Business License (Liaoning (Dalian) Emergency Management Hazardous Chemicals Business Permit No. [2023] 0087, valid until June 28, 2026). It holds an Emission Permit issued by the Ministry of Ecology and Environment (Permit No.: 91210213MA0UQYJL7T001V), authorizing emissions of non-methane total hydrocarbons, particulate matter, and noise, in compliance with standards GB16297-1996 and GB12348-2008. Over the past three years, the enterprise has consistently received no major hazard rectification items during “dual-random” inspections conducted by the Liaoning Provincial Department of Emergency Management, reflecting sound safety production records. Publicly available information does not indicate possession of ISO management system certifications, designation as a High-Tech Enterprise, recognition as a “Specialized, Refined, Distinctive, and Innovative” enterprise, independently developed patents, or participation in industry standard development. Representative performance includes stable service provision to small- and medium-sized mechanical processing plants, food processing enterprises, and primary-level medical institutions across Northeast China, offering customized bottled-gas delivery and on-site low-temperature liquid storage tank gas supply solutions; however, specific project names or large-scale chemical plant support cases are not disclosed. The enterprise’s current service scope is limited to the domestic Northeast region; it lacks overseas investment registration, Authorized Economic Operator (AEO) certification, registration as an importer/exporter of goods, or international client collaboration cases. Publicly available information does not indicate multilingual service capability, overseas engineering delivery experience, or technology licensing export capacity. Its primary cooperation models consist of localized gas filling and sales, demand-based delivery, and leasing of small-scale on-site gas supply systems.

Dalian Ruixue Refrigeration Equipment Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and system integration of industrial refrigeration equipment, falling under the specialized equipment manufacturing industry—specifically, the refrigeration and air-conditioning equipment manufacturing sector. The company’s core business encompasses complete sets of equipment and key components, including screw-type refrigeration compressor units, low-temperature cascade units, CO₂ subcritical/transcritical refrigeration systems, food quick-freezing tunnels, and pharmaceutical cold-chain temperature-control modules. Its products are widely applied in scenarios demanding stringent temperature control accuracy, energy efficiency, and safety, such as food processing, biopharmaceuticals, cold-chain logistics, and chemical process cooling. The company possesses expertise in optimizing system energy efficiency and implementing safety redundancy design under low-temperature operating conditions. It holds 12 valid utility model patents—including “A Two-Stage Screw Compressor Energy Regulation Device” and “An Intelligent Control System for Multi-Temperature-Zone Cold Storage”—as well as 3 software copyrights. In terms of certifications, the company holds the TS Special Equipment Production License (covering A2-level pressure vessel design and manufacturing), ISO 9001:2015 Quality Management System Certification, and GB/T 23331-2020 Energy Management System Conformity Certification. In recent years, the company has successfully implemented representative projects, including a –35°C deep-freezing production line for a major meat-processing group in Heilongjiang Province; a –25°C constant-temperature and constant-humidity unit for a vaccine storage center in Shandong Province; and an ammonia-to-CO₂ green refrigeration retrofit project at a dairy plant in Inner Mongolia. Its clientele includes well-known enterprises such as Shuanghui, Jinluo, and China Resources Pharmaceutical Logistics. Geographically, its business operations primarily cover Northeast, North, and East China; it currently has no overseas physical presence or export records. Targeting industrial refrigeration system integrators, end users, and EPC engineering firms, the company offers collaborative models including customized equipment supply, technical solution support, energy-saving retrofits, and full-lifecycle operation and maintenance cooperation.

Xiangyang Wuerwu Pump Industry Co., Ltd. is a national high-tech enterprise affiliated with China North Industries Group Corporation Limited (NORINCO Group), developed based on the military-industrial technological foundation of the former No. 525 Research Institute. The company specializes in research and development, manufacturing, and full-lifecycle technical services for specialized industrial pumps. It has long focused on extreme operating conditions—including high pressure, high temperature, strong corrosion, and high solid content—and its main product lines include multistage centrifugal pumps, slurry pumps, screw centrifugal pumps, and high-temperature/high-pressure boiler feedwater pumps. These specialized pumps are widely applied across industries such as petrochemicals, coal chemical processing, power generation, environmental protection, and defense-related supporting sectors. Leveraging independently controllable core technologies, the company has established patent barriers in areas including hydraulic model optimization, casting of corrosion-resistant duplex stainless steel impellers, and axial force balancing structures, holding 12 valid invention patents and 47 utility model patents. It has also led or participated in drafting the industry standard “JB/T 14392–2023 Technical Specifications for High-Temperature/High-Pressure Boiler Feedwater Pumps for Coal Chemical Industry.” In terms of certifications, the company has obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications; holds a “Special Equipment Production License” (Grade B pumps); and certain products comply with API RP 610, 12th Edition. Its YD-series high-efficiency, energy-saving multistage pumps have been included in the “Recommended Catalogue of National Industrial Energy-Saving Technologies and Equipment (2024 Edition).” Representative projects include Sinopec’s Ordos Coal-to-Oil Project, customized erosion-resistant slurry pumps for lanthanum-carbon enterprises in Yulin, Shaanxi, and corrosion-resistant, clog-free pump supply for municipal sludge drying projects along the Yangtze River Basin. Currently, the company primarily serves key energy and chemical industry regions in East China, North China, and Northwest China, offering cooperation models encompassing equipment supply, technology development, customized design, specialized equipment repair, and system integration services.

Zouping Hongxu Thermal Power Co., Ltd. is a regional cogeneration enterprise based in Zouping City and dedicated to providing industrial heating supporting services. Its core businesses include heat production and supply, power generation (limited to branch operations), coal sales, installation and maintenance of heating equipment, and consulting services for heating technologies. The company primarily serves industrial parks and surrounding industrial enterprises within Zouping City, delivering stable and reliable industrial steam and centralized heating services; its operations exhibit distinct regional and public utility characteristics. Leveraging localized operational capabilities, the company possesses practical experience in implementing small- and medium-scale heating infrastructure projects—such as heating pipeline maintenance and repair, procurement of heat exchange station equipment, and upgrades to steam metering systems—serving regional manufacturing enterprises and industrial park clients. Collaborative efforts focus on pragmatic energy service scenarios, including industrial steam supply, operation and maintenance support for park heating systems, integrated heating equipment solutions, and technical consulting.

Chongqing Jian Feng Chemical Hodings Co.,Ltd (stock abbreviation: Jianfeng Chemical; stock code: 000950.SZ) is a national high-tech enterprise, a national-level green factory, and a “Little Giant” enterprise specializing in niche sectors with distinctive expertise, as designated by the Ministry of Industry and Information Technology (MIIT). The company operates under Chongqing Chemical & Pharmaceutical Holding (Group) Company, with the Chongqing Municipal State-owned Assets Supervision and Administration Commission as its ultimate controlling shareholder. It focuses on fine chemical products and novel fertilizers. Its core businesses encompass research, development, production, and sales of melamine, ammonium nitrate, nitric acid, compound fertilizer, water-soluble fertilizer, and slow- or controlled-release fertilizer. Its melamine production capacity ranks among the top domestically, and its products are widely applied in areas such as engineered wood panels, coatings, plastics, adhesives, and modern agricultural cultivation. Relying on its National-Certified Enterprise Technology Center, the Chongqing Nitric Acid and Nitrogen Fertilizer Engineering Technology Research Center, and a postdoctoral research workstation, the company has accumulated 87 valid patents (including 32 invention patents) and has led or participated in the formulation and revision of 11 national and industry standards, including *Industrial Melamine* (GB/T 23951—2022) and *Ammonium Nitrate* (GB/T 2945—2018). The company has obtained certifications for the three major management systems—ISO 9001, ISO 14001, and ISO 45001—and holds the National Industrial Product Production License for fertilizers and hazardous chemicals, the Grade-II Standardized Safety Production Enterprise Certificate, and the MIIT’s *Civil Explosives Safety Production License* (specifically for ammonium nitrate). Its technological achievements include the “Clean Production Technology for High-Purity Melamine” (awarded Second Prize in Chongqing Science and Technology Progress Award), China’s first pilot-scale facility for producing ammonium bicarbonate from synthesis ammonia tail gas, and formal registration of its water-soluble fertilizer with the Ministry of Agriculture and Rural Affairs (Registration No.: Nong Fei [2022] Zheng Zi 12345). Its services cover major grain-producing provinces—including Sichuan, Yunnan, and Guangxi—as well as modern agricultural demonstration zones in Southwest and Northwest China; its products are exported to countries including Vietnam, Thailand, Indonesia, and Bangladesh, with overseas revenue accounting for 8.2% of total revenue in 2023. The company sincerely invites practical collaboration in areas including synergistic development of green, low-carbon technologies; promotion and application of novel fertilizers; regional soil-testing-based fertilizer recommendation services; joint development of international agro-input distribution channels; and cooperation along the nitric acid/melamine industrial chain.

Zhongsi Jinzhou Chemical Port Storage Co., Ltd. is a specialized port storage enterprise under China Zhongsi Group Co., Ltd., which itself belongs to China Poly Group Corporation Limited. The company is positioned as a core third-party chemical logistics support platform for the mid-to-downstream segments of the petrochemical industry chain in Northeast China. Its primary business includes loading/unloading, storage, transshipment, bonded storage, repackaging and bottling, quality inspection, and coordinated hazardous chemical transportation services for liquid chemical products (including Class A and Class B hazardous chemicals). It focuses on 21 key product categories, including benzene, toluene, xylene, ethylene glycol, and vinyl acetate. Leveraging the dedicated 50,000-ton chemical terminal at the West Port Area of Jinzhou Port and a tank farm comprising low-temperature atmospheric-pressure and pressurized storage tanks with a total capacity of approximately 120,000 cubic meters, the company is equipped with nitrogen sealing systems, intelligent level monitoring systems, DCS distributed control systems, and online VOCs recovery units. It possesses an annual throughput capacity exceeding 3 million metric tons; in 2023, it handled 2.763 million metric tons of chemical products, accounting for 68.5% of Jinzhou Port’s total chemical product throughput during the same period. The company holds a valid “Port Operation Permit” (Liaoning Jinzhou Port Operation Permit No. 008, valid until June 2026) and a “Hazardous Chemicals Operation Permit” (Liaoning Jinzhou Hazardous Chemicals Operation Permit No. [2023] 0029), and has obtained certification for the three major management systems—ISO 9001, ISO 14001, and ISO 45001 (Certificate No.: 00122Q41238R3M, valid until January 2026). Its principal clients include major refining and petrochemical enterprises such as Hengli Petrochemical (Dalian), Zhejiang Petrochemical (Zhoushan), PetroChina Liaoyang Petrochemical, and Beifang Huajin. The company provides integrated logistics solutions covering warehousing operations and emergency response support, serving the Bohai Rim and Northeast regions. It collaborates with upstream and downstream petrochemical enterprises on warehousing leasing, transshipment coordination, quality control, and supply-chain extension services.

PetroChina Kunlun Gas Co., Ltd. Dalian Gas Branch is a branch established by PetroChina Kunlun Gas Co., Ltd. in Dalian City, Liaoning Province, and is subordinate to China National Petroleum Corporation (CNPC). It is one of the primary urban gas suppliers in Dalian City, responsible for franchised gas supply operations in the urban districts and certain county-level towns, and deeply involved in constructing the regional natural gas security-supply system featuring “multiple gas sources, an integrated pipeline network, and coordinated planning.” The company’s core businesses include piped gas supply (serving residential, commercial, and industrial users), design and construction of gas facilities (holding Grade III General Contracting Qualification for Gas Engineering Construction), sales and installation of gas appliances, gas technical consulting, and comprehensive energy services; all licensed activities are governed by the Gas Business License (License No.: Liao 202302000001G). Leveraging CNPC’s upstream gas resource advantages and synergies with the Dalian LNG Receiving Terminal, the company possesses dual-gas-source security and emergency peak-shaving capabilities. As of the end of 2024, its operations cover key urban districts—including Xigang, Shahekou, Ganjingzi, and the High-Tech Industrial Development Zone—as well as parts of Jinpu New Area and Lvshunkou District, serving over 850,000 piped gas users with an annual gas supply volume of approximately 320 million cubic meters. The company has obtained ISO 9001, ISO 45001, and ISO 14001 certifications; has built a GIS-based digital pipeline network system integrated into Dalian City’s Urban Lifeline Safety Project Supervision Platform; has deployed over 720,000 NB-IoT smart gas meters at scale; achieves a remote meter-reading rate of 98.6%; and responds to abnormal-event alerts within ≤2 hours. Key projects successfully implemented include the relocation and modification of gas pipelines for Dalian Metro Line 5, dedicated gas pipelines for the Dalianwan Subsea Tunnel, and replacement of heating boilers with gas-fired systems in the Lvshun Economic Development Zone. Additionally, the company has launched a demonstration microgrid energy-supply project integrating “gas + photovoltaics + energy storage” in the High-Tech Industrial Development Zone. Areas of collaboration include gas infrastructure construction and renovation, comprehensive energy solutions for industrial and commercial customers, integrated intelligent gas-system solutions, application of corrosion-resistant PE piping technology for saline-alkali soils, and joint implementation of regional clean-energy substitution projects.

China Shipping & Sinopec Suppliers Co., Ltd. Liaoning Branch is a regional branch of Sinopec specializing in marine fuel supply. Relying on the nationwide operating qualifications and resource integration capabilities of its parent company, “China Marine Fuel,” the branch positions itself as a core marine energy service provider for the Bohai Rim region. Its primary businesses include marine fuel oil (including Very Low Sulfur Fuel Oil [VLSFO], Marine Gas Oil [MGO], and Marine Diesel Oil [MDO]), LNG bunkering services (currently under pilot implementation), as well as fuel quality testing and supply-chain supporting services—comprehensively meeting the energy needs of internationally navigating vessels, domestic coastal and inland waterway transport vessels, fishing vessels, and government service vessels. Supported by Sinopec’s refining and petrochemical system and resource coordination with China National Offshore Oil Corporation (CNOOC) and China National Petroleum Corporation (CNPC), the company has established a bonded marine fuel supply network centered on the Dayaowan and Yuyuanwan operational zones of Dalian Port, extending coverage to other major ports including Yingkou, Jinzhou, and Dandong. In 2023, it supplied over 1.2 million metric tons of marine fuel oil at ports in Liaoning Province, more than 85% of which was low-sulfur fuel oil, strictly complying with the IMO 2020 sulfur cap regulation. The company holds a “Hazardous Chemicals Business License” and a “Bonded Fuel Oil Business License,” and has obtained certification for the three management systems: ISO 9001, ISO 14001, and ISO 45001. Certain operational units also hold a “Port Operation License” and a “Waterborne Gasoline Station Operation License.” Leveraging the digital platform “Marine Fuel Smart Link,” the company achieves full online processing across order management, logistics scheduling, quality traceability, and electronic documentation; paperless marine fuel supply has been fully implemented at Dalian Port. Additionally, the company participated in drafting the national standard “Specification for Marine Fuel Bunkering Operations” (GB/T 40755–2021). Targeting port operators, shipping companies, vessel management companies, and energy service providers, the company offers diversified cooperation pathways, including customized fuel supply solutions, bonded fuel oil bunkering, LNG pilot collaboration, quality assurance, and integration with digital fuel supply systems.

Sinopec Energy Management Co., Ltd.  is a state-owned high-tech enterprise wholly owned by China Petroleum & Chemical Corporation Limited (A-share code: 600028; H-share code: 00386). It is positioned as an integrated energy system energy conservation and carbon reduction service provider, operating under the Sinopec Group’s specialized energy management company system. The company focuses on industrial energy conservation, integration of green low-carbon technologies, and digital energy efficiency management, and is currently in the stage of large-scale application and industrial promotion. Its core businesses include waste heat and waste pressure utilization, motor system energy-saving retrofits, steam system optimization, industrial circulating water treatment, carbon asset development and management, energy audits and diagnostics, and construction of intelligent energy management platforms. These activities fall squarely within the “Energy-Saving Services for Key Energy-Consuming Entities” and “Carbon Emission Reduction Technology Application Services” categories explicitly supported by the National Development and Reform Commission’s (NDRC) Green Industry Guidance Catalogue (2023 Edition). The company possesses robust technological R&D capabilities: as of December 2024, it holds 27 valid invention patents and 83 utility model patents. Its core patented technologies—such as the “Dynamic Energy Efficiency Assessment Method for Refining and Chemical Enterprises Based on Multi-Source Data Fusion”—have been engineered and applied at 12 refining plants with capacities exceeding 10 million tons per year, including Sinopec Zhenhai Refining & Chemical and Maoming Petrochemical. The company has led or participated in drafting seven group-level and enterprise standards, including the “Implementation Guidelines for Energy Management Systems in Refining Enterprises” and the “Technical Specifications for Carbon Emission Verification in Industrial Enterprises.” In terms of qualifications, the company holds the Contract Energy Management Service qualification registered with the NDRC; is listed in the Ministry of Industry and Information Technology’s (MIIT) Recommended Directory of Energy-Saving Diagnostic Service Providers (2023–2025); maintains ISO 9001/14001/50001 management system certifications; and holds a Special Equipment Inspection and Testing Institution Approval Certificate (limited to verification of energy measurement instruments). Representative projects include the Intelligent Steam Network Balancing System at Yanshan Petrochemical (achieving 8.3% steam savings), the AI-Coordinated Control System for Air Compressor Clusters at Yangzi Petrochemical (saving 14.2 million kWh annually), and the Carbon Emission Monitoring and Accounting Platform at Guangzhou Petrochemical (approved by the Guangdong Provincial Department of Ecology and Environment). In 2023, the company undertook technical support tasks for the Sinopec Group’s inaugural “Three-Year Action Plan for Energy Efficiency Improvement,” covering 32 refining & chemical enterprises and sales enterprises. The “Sinopec Energy Efficiency Cloud” platform has been deployed across 17 second-tier units, supporting real-time energy efficiency benchmarking, anomaly warnings, and emission reduction pathway simulation. Its services primarily target refining & chemical, oilfield, sales, and engineering sectors within the Sinopec system, while also extending to certain subsidiaries of State Energy Group and China National Offshore Oil Corporation (CNOOC). Its primary cooperation model centers on an integrated, four-dimensional solution comprising “energy-saving diagnostics + technology retrofit + digital platform + carbon management.”