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CNOOC Energy Technology & Services Limited (Stock Code: 601808.SH) is a state-controlled listed company under the China National Offshore Oil Corporation (CNOOC) Group Co., Ltd. The Company positions itself as a full-lifecycle service provider for the energy industry, focusing on three major business segments: offshore oil and gas development services; low-carbon environmental protection and digitalization; and new energy and new materials. Its core businesses encompass oilfield technical services, equipment manufacturing, LNG terminal construction and operations, FPSO operation and management, offshore wind power engineering services, energy-saving and carbon-reduction technology integration, intelligent oilfield solutions, and research, development, and production of chemical new materials. Its service scope covers critical areas including deepwater drilling and production, floating production, cold energy utilization, digital and intelligent oilfield management, offshore wind power operation and maintenance, and CO₂ capture, utilization, and storage (CCUS). Relying on its nationally accredited enterprise technology center, CNAS-accredited laboratories, provincial- and ministerial-level engineering technology research centers, and postdoctoral scientific research workstation, the Company has secured over 2,700 authorized patents to date, approximately 45% of which are invention patents. It has established technological barriers in fields such as intelligent control of deepwater equipment, life-extension retrofits of FPSOs, cascaded utilization of LNG cold energy, integrated installation processes for offshore wind power, and CCUS. The Company has obtained certifications for ISO 9001, 14001, 45001, and 50001 management systems; holds A1/A2-grade pressure vessel design and manufacturing licenses; possesses Class I professional contracting qualification for offshore petroleum engineering; holds special equipment inspection and testing approval certificates; holds civilian nuclear safety equipment manufacturing licenses; and maintains national confidentiality qualifications. It also complies with API and IMO international standards. Representative projects include domestication of supporting equipment for the “CNOOC 981” drilling rig; comprehensive utilization of cold energy at the Zhuhai Jinhai LNG terminal; full-lifecycle digital and intelligent management of the Kenli 6-1 oilfield; EPC services for the Albert Lake FPSO project in Uganda; and construction of China’s first intelligent offshore wind power O&M platform. The Company has led the formulation of 12 industry standards. Its operations span all China’s offshore waters and extend to over ten countries and regions, including Southeast Asia, the Middle East, and Africa. It provides multi-dimensional cooperation to energy enterprises, local governments, and international clients—including R&D, engineering EPC, equipment development, digital platform construction, green and low-carbon solutions, and Belt and Road energy cooperation.

CNOOC Huahe Coal Chemical Ltd. is a large state-owned joint venture chemical enterprise jointly established by China National Offshore Oil Corporation Limited and China Huaneng Group Co., Ltd. It is designated as a key national project supporting energy security and fertilizer supply assurance, serving as an important nitrogen fertilizer production base in Northeast China and a national fertilizer reserve storage unit. The company focuses on the coordinated development of modern coal chemical industry and green agricultural chemicals, with core businesses covering research, production, and sales of ammonia, urea, compound fertilizer, liquid carbon dioxide, and industrial-grade methanol; its products are widely applied in agricultural production, industrial gases, environmental denitrification, and food preservation. Leveraging high-quality lignite resources in Hegang City, the company has constructed large-scale facilities with annual production capacities of 1.32 million tons of ammonia, 2.2 million tons of urea, and 400,000 tons of compound fertilizer. Its core processes adopt advanced technologies including Lurgi low-pressure ammonia synthesis, Snamprogetti CO₂ stripping urea production, and aerospace gasifier-based coal gasification (MDEA decarbonization + low-temperature methanol washing), endowing it with core capabilities such as strong adaptability to various coal types, high carbon conversion efficiency, and energy consumption below the industry average. The company holds 12 invention patents and 38 utility model patents, and has participated in formulating national and industry standards including “GB/T 2440—2017 Urea” and “HG/T 4850—2015 Compound Fertilizer (Compound Fertilizer).” It has obtained ISO 9001, ISO 14001, and ISO 45001 system certifications, and holds permits for safe production of hazardous chemicals, pollutant discharge, and nationwide industrial product production (fertilizer category); it has been recognized as a national high-tech enterprise and a Heilongjiang Province “specialized, refined, distinctive, and innovative” SME. For ten consecutive years, the company has undertaken national commercial fertilizer reserve tasks, supplying over 4 million tons of agricultural urea to major grain-producing provinces—including Heilongjiang, Jilin, Liaoning, and Inner Mongolia—from 2022 to 2024. In 2023, it commissioned a 400,000-ton-per-year intelligent production line for premium compound fertilizer; in 2024, it launched the demonstration project for low-carbon “ammonia–hydrogen” coupling. Its service scope concentrates on the three northeastern provinces and parts of North China’s major agricultural production areas, providing stable and reliable product supply, customized compound fertilizer solutions, and collaborative support for low-carbon technological upgrades in coal chemical projects to agricultural service providers, industrial gas users, environmental governance enterprises, and green, low-carbon technology partners.

China Sea Shell Petrochemical Co., Ltd. is a large Sino-foreign joint venture petrochemical enterprise, equally owned (50% each) by China National Offshore Oil Corporation Limited and Royal Dutch Shell Group. Based in the Guangdong-Hong Kong-Macao Greater Bay Area, it serves as a pivotal node in China’s national “14th Five-Year Plan” petrochemical industry layout and is explicitly supported as a major industrial platform under the “Outline for the Development of the Guangdong-Hong Kong-Macao Greater Bay Area.” The company’s core business covers the production and sale of basic chemical feedstocks—including ethylene, propylene, butadiene, benzene, toluene, and xylene—as well as high-value-added derivatives. Its products are widely applied across plastics, synthetic rubber, chemical fibers, coatings, pharmaceutical intermediates, and other sectors. The company operates within the “Advanced Petrochemical Materials” subsector—a strategic emerging industry designated by the Chinese government. Leveraging the integrated, large-scale, and intensive refining–chemicals coupling base, the company owns China’s largest single-train ethylene cracker unit (1.6 million tons/year, Phase III), globally leading Ultra-Selective Catalytic Cracking (USCC) technology, complete process technologies for bimodal polyethylene (Bimodal PE) and high-density polyethylene (HDPE), and an independently integrated intelligent factory system. It has secured over 200 state-authorized patents, more than 45% of which are invention patents; multiple proprietary technologies have been included in both the “Green Process Catalogue for Petrochemical Industry” and the Ministry of Industry and Information Technology’s (MIIT) Recommended List of Energy-Saving Technologies and Equipment. The company holds certifications for ISO 9001, ISO 14001, ISO 45001, and ISO 50001 management systems, as well as all statutory licenses—including the Safety Production License for Hazardous Chemicals and the Pollutant Discharge Permit—and has been recognized as an “Intelligent Manufacturing Demonstration Factory Candidate Unit” by MIIT, a “Single-Champion Enterprise in Manufacturing” by Guangdong Province, and a “Green Factory” by the China Petroleum and Chemical Industry Federation. Notable practices include commissioning China’s first Shell OCM ethane dehydrogenation-to-ethylene industrial demonstration plant; supplying customized high-end polyolefin products—such as automotive-grade polypropylene and lithium-ion battery separator resins—to CATL, BYD, and Kingfa Science & Technology; and participating in the formulation of five national standards and seven industry standards. Its business spans all 31 provinces, autonomous regions, and municipalities directly under the central government in China, with exports to Southeast Asia, South Asia, and the Middle East. It actively pursues deep collaboration with upstream and downstream industrial chain partners in areas including high-end material supply, low-carbon technology cooperation, coordinated development of CCUS (Carbon Capture, Utilization and Storage) and green hydrogen production via renewable electricity, intelligent factory construction, and co-development of technical standards.

China National Petroleum Pipeline Engineering Co., Ltd. Shenyang Branch Shenyang Branch is a regional professional branch established by China Petroleum & Natural Gas Pipeline Engineering Co., Ltd.—a subsidiary of the National Oil & Gas Pipeline Group Corporation—in Northeast China. Leveraging its parent company’s profound technical expertise and national-level qualification system, the branch specializes in supporting the nation’s “One National Pipeline Network” strategy and regional energy infrastructure development. Its core business encompasses planning, surveying, design, consulting, and EPC (Engineering, Procurement, and Construction) general contracting for long-distance oil and gas pipelines. Key focus areas include preliminary research and engineering implementation for onshore natural gas trunklines, crude oil/refined oil transportation systems, gas storage field gathering and transmission projects, external transmission pipelines for LNG receiving terminals, and demonstration hydrogen transmission pipelines. Core competencies center on intelligent pipeline route selection in complex terrains, engineering applications of high-grade steel pipe materials (e.g., X80/X90), BIM+GIS-integrated digital delivery, geohazard risk assessment and mitigation design, among others; related technical achievements have been published in industry-leading journals and reported in technology project acceptance documents of the National Oil & Gas Pipeline Group Corporation. The branch operates under its parent company’s full suite of qualifications, including Class-A Comprehensive Engineering Design, Class-A Comprehensive Engineering Surveying, Class-A Consulting Credentials for Petroleum & Natural Gas Specialized Projects, and Special Equipment Pressure Pipeline Design Licenses (GA1/GB1/GC1), and maintains certification to ISO 9001/14001/45001 management systems. In recent years, it has deeply participated in provincial key projects such as design support for the China–Russia East-Route Natural Gas Pipeline (Liaoning Section), the Tieling–Yingkou Natural Gas Branch Line, the Liaohe Oilfield Associated Gas Gathering and Transmission System Retrofit, and the Shenyang Municipal High-Pressure Gas Ring Network Planning Consultation, primarily serving the three northeastern provinces and eastern Inner Mongolia. It can serve as the lead design entity, a consortium member, or a specialized technical service provider, delivering end-to-end, professional, and localized engineering technical services to government energy regulatory authorities, oil & gas enterprises, and infrastructure investors.

China National Petroleum Corporation Ningxia Petrochemical Branch is a regional refining and chemical enterprise under PetroChina’s refining, chemical, and new materials business segment. It is positioned as a key clean fuel and fertilizer production base in Northwest China, possessing integrated operational capabilities across refining, fertilizer production, and chemical manufacturing. The company’s core businesses include crude oil processing (primary processing capacity of 5 million tons per year), production and sales of refined products such as gasoline, diesel, and jet fuel, as well as nitrogen fertilizer manufacturing and supply—specifically, 300,000 tons per year of ammonia synthesis and 520,000 tons per year of urea. Its “Ninghua” brand urea is the leading agricultural product promoted in Ningxia and surrounding provinces; it has long served regions including Inner Mongolia, Gansu, and Shaanxi, and has been included in Ningxia’s “Recommended List of Trustworthy Agricultural Inputs.” Core technical capabilities focus on integrated application of domestically developed large-scale fertilizer plant technologies, optimization of refining processes adapted to high-sulfur crude oil, and low-energy-consumption wastewater treatment systems. The company holds 12 invention patents and 47 utility model patents; related achievements have received the First Prize of PetroChina Science and Technology Progress Award. The company is certified to ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and GB/T 23331–2020 Energy Management System standards, and holds both the “Safety Production License for Hazardous Chemicals” and the “Pollutant Discharge Permit.” Representative projects include the upgrading and renovation project for the 1,200-ton-per-hour wastewater treatment facility, and the upgrade of the catalytic flue gas waste-heat recovery system (achieving annual energy savings of approximately 8,500 tons of standard coal). The company also undertakes PetroChina’s pilot initiative on “Green and Low-Carbon Development of Refining and Chemical Operations.” Its service scope concentrates on the five northwestern provinces (autonomous regions); refined products are distributed throughout Ningxia and adjacent cities via PetroChina’s sales network, while fertilizers reach county-level end users through regional distributors and agricultural technology extension systems. Areas of cooperation include supply of clean fuels, customized services for high-efficiency nitrogen fertilizers, collaborative development of energy-saving and carbon-reduction technologies in refining and chemical operations, joint implementation of environmental protection and remediation projects, and verification of fertilizer standards.

China National Petroleum Corporation Jinzhou Petrochemical Branch is a regional backbone enterprise under PetroChina, specializing in the research and development, production, and sales of lubricants, positioned as a lubricant supply base for Northeast China and the Bohai Rim region. The enterprise focuses on four major product categories: industrial oils, automotive lubricants, specialty greases, and oilfield-specific lubricants; its products are widely applied across sectors including petrochemicals, power generation, metallurgy, railways, construction machinery, and oilfield drilling and production equipment. Leveraging PetroChina’s integrated R&D platform and a provincial-level enterprise technology center, the plant possesses capabilities in base oil blending, fully automated filling, online quality control, and batch traceability. It has participated in drafting national and industry standards such as “GB/T 39689-2020 Industrial Closed Gear Oils” and “SH/T 0657-2016 Method for Determination of Nitrogen Content in Lubricating Oils.” The plant has obtained certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System, and has achieved applicability verification for API SP/CK-4, JASO MA/MB, and certain National Military Standards (GJB). In recent years, it has continuously undertaken lubricant supply tasks for drilling fluid systems in the Liaohe Oilfield block, successfully developing and applying customized products such as high-temperature antioxidant grease for heavy-oil thermal recovery and compressor oil suitable for high-sulfur operating conditions. Concurrently, it is advancing green and low-carbon transformation by conducting pilot-scale testing of environmentally friendly products, including bio-based hydraulic oil and low-phosphorus, long-life turbine oil. Its current business coverage centers primarily on Northeast and North China domestically, serving large energy enterprises, equipment manufacturing units, and industrial operation & maintenance service providers. It offers industry clients customized lubrication solutions, collaborative technical development, demonstration support for full-lifecycle lubrication management, and regionally stable supply partnerships.

PetroChina Jinzhou Petrochemical Company Limited is a key integrated refining and chemical enterprise in Northeast China under PetroChina Company Limited, positioned as a production base for refined oil products, chemical feedstocks, and specialty oil products, and operating at a mature and stable stage. The company’s core business covers crude oil processing (with an initial processing capacity of 10 million tons per year) and downstream product manufacturing, including gasoline and diesel meeting the China VI-B standard, aviation kerosene (GB 6537–2018), liquefied petroleum gas (LPG), polypropylene, benzene-series aromatic hydrocarbons, solvent naphtha, environmentally friendly rubber plasticizers (GB/T 23849–2009), naphthenic transformer oil (SH/T 0040–2021), and aviation lubricating oils. These products are widely applied across sectors such as transportation, power grids, rail transit, tire manufacturing, and military fuel supply. The enterprise possesses advanced capabilities for deep processing of heavy oil and high-value-added conversion, equipped with state-of-the-art facilities including a 10-million-ton-per-year atmospheric and vacuum distillation unit, a 2.2-million-ton-per-year fluid catalytic cracking unit, a 1.2-million-ton-per-year delayed coking unit, a 1-million-ton-per-year continuous reforming unit, an 800,000-ton-per-year diesel hydrotreating unit, a 400,000-ton-per-year polypropylene unit, and a 200,000-ton-per-year C5 separation unit. It has independently developed and applied technologies such as the “Integrated Technology for Naphthenic Transformer Oil” and the “Blending Technology for Low-Sulfur Marine Fuel Oil,” having obtained over 120 national patents, approximately 35% of which are invention patents. In terms of certifications, the company holds ISO 9001, ISO 14001, and ISO 45001 system certifications, and maintains all legally required permits, including the “Safety Production License for Hazardous Chemicals,” the “National Industrial Product Production License,” and the “Pollutant Discharge Permit.” It has been designated by the Ministry of Industry and Information Technology (MIIT) as a national-level green factory and selected as one of the first pilot units for “Digital Transformation Promotion Centers” in Liaoning Province. The company has long undertaken military fuel supply tasks across Northeast China and serves as a designated producer of aviation kerosene for the People’s Liberation Army Air Force. Its products cover the primary retail fuel station networks in Liaoning, Jilin, and Heilongjiang provinces, and support low-carbon transport energy substitution initiatives in the Beijing-Tianjin-Hebei-Liaoning region. Its service scope focuses on the domestic market, centered on Northeast China while extending to parts of North and Northwest China. Practical cooperation opportunities exist in areas such as premium oil product supply, customized specialty chemicals, collaborative refining and chemical technologies, green and low-carbon project partnerships, and digital transformation solutions.

China National Petroleum Corporation Dalian Lubricant Branch is a core production base and regional operation center under PetroChina Lubricant Company, affiliated with PetroChina Company Limited. It undertakes lubricant research & development, production, warehousing, and market service functions for the Bohai Rim, Northeast China, and parts of North China. The company’s main products include automotive lubricants (e.g., KR9-T 0W-20 full-synthetic gasoline engine oil, KR9-D 10W-40 diesel engine oil), industrial lubricants (e.g., gear oils, hydraulic oils, transformer oils, railway locomotive-specific oils), specialty lubricating greases (e.g., wind turbine equipment greases), antifreeze coolants, additives, and other petroleum-derived products. These products are widely applied in automobile manufacturing, railway transportation, electric power, wind power generation, and equipment manufacturing sectors. The company possesses large-scale blending and fully automated filling capabilities with an annual production capacity exceeding 200,000 tons of lubricants. Its production lines comply with major international standards including API, ACEA, and JASO, and have passed third-party certifications from the China Academy of Railway Sciences, China Electric Power Research Institute, China Classification Society (CCS), and SGS. The enterprise holds the “National Industrial Product Production License” (XK06-014-00001) and has obtained certification for ISO 9001 Quality Management, ISO 14001 Environmental Management, and ISO 45001 Occupational Health and Safety Management Systems (with surveillance audit passed in 2024). Leveraging the national-level enterprise technology center and Dalian R&D Center of PetroChina Lubricant Company, the company has participated in drafting or revising three national standards and five industry standards, and holds 12 invention patents and 23 utility model patents. KR9-series lubricants have been supplied as original equipment manufacturer (OEM) products to major vehicle manufacturers including Volkswagen, FAW, and Dongfeng Commercial Vehicle. Wind turbine greases have been deployed in onshore wind power projects in Liaoning Province and Inner Mongolia Autonomous Region. Internationally, business is conducted primarily through PetroChina Lubricant Company’s unified export channels, covering Southeast Asia, Central Asia, and Africa markets via OEM manufacturing and private-label “Kunlun” branded products. Collaborative models offered to upstream and downstream industrial chain enterprises include joint technological R&D, customized product development, regional supply chain support, and co-branded promotional initiatives.

Dalian Branch of China National Petroleum Corporation Safety and Environmental Protection Technology Research Institute Co., Ltd. is a specialized scientific research institution focused on safety and environmental protection, subordinate to China National Petroleum Corporation (CNPC). Established with support from the Beijing headquarters, the branch operates in the Bohai Rim region and serves typical oil and gas operation scenarios—including refining and chemical processing, storage and transportation, and offshore platforms—conducting applied technology R&D and engineering implementation in areas such as intelligent safety risk prevention and control, VOCs treatment, resource recovery of oily sludge, carbon emission monitoring and accounting, and digital emergency response for environmental incidents. The branch employs over 80 professional technical personnel, more than 45% of whom hold senior professional titles, including technical experts from the Ministry of Ecology and Environment, the Ministry of Emergency Management, and CNPC. In the past five years, it has led or participated in two key national R&D plan projects and seven major CNPC-level scientific and technological special projects; published over 60 academic papers; and obtained authorization for 23 invention patents. Core achievements include: an early leakage warning system for refining and chemical facilities; mobile skid-mounted thermal pyrolysis equipment for volume reduction of oily sludge; and an MRV platform for carbon emissions at petrochemical parks—all of which have been scaled up for application at enterprises such as Dalian Petrochemical Company and Liaoyang Petrochemical Company. The branch has obtained ISO 9001 Quality Management System certification (Certificate No.: 0012022Q30588R1M) and holds CMA accreditation for testing capabilities (covering 56 parameters across soil, water quality, and waste gas; Certificate No.: 220601340119). It has actively participated in the formulation and revision of 11 national and industrial standards, including GB/T 31018-2023 and AQ/T 3054-2023. Representative projects include the digital and intelligent enhancement project for Dalian Petrochemical’s “Green Refinery,” the associated gas recovery demonstration project at Bohai Bay offshore platforms, and research on low-carbon transformation pathways for petrochemical parks in Northeast China’s old industrial bases. Currently, its business focuses on the Bohai Rim and Northeast China regions; its technical solutions have indirectly supported environmental upgrades at the Atyrau Refinery in Kazakhstan through CNPC International Corporation. It offers multidimensional collaboration opportunities for energy and chemical enterprises—including technology R&D, standard support, engineering implementation, testing and evaluation, and digital platform development.

Sinopec Maoming Branch of Sinopec Corporation Limited (hereinafter referred to as “Sinopec Maoming Branch”) is one of the oldest and largest integrated refining and chemical production bases in South China. It is a subsidiary of China Petroleum & Chemical Corporation (“Sinopec”; A-share code: 600028; H-share code: 00386) and is designated by the Chinese government as a key refining and chemical base under the national “14th Five-Year Plan” for energy development, as well as a critical supporting entity for Guangdong Province’s strategic industrial clusters. The company’s core businesses encompass crude oil processing; production and sales of refined petroleum products; manufacturing of chemical feedstocks and synthetic materials; supply of clean energy; and supporting storage and logistics services. It has established a complete industrial chain centered on refining–ethylene–aromatics–high-end synthetic materials, with an integrated refining capacity of 20 million tons per year and an ethylene production capacity of 1 million tons per year. Its core technologies are developed through Sinopec’s internal R&D platforms and include industrially scaled application technologies such as “processing technology adaptable to high-sulfur crude oil,” “high-efficiency conversion technology for inferior heavy oil,” and “integrated green and low-carbon refining and chemical technologies.” To date, the company has received four State Science and Technology Progress Awards and over 60 provincial- or ministerial-level science and technology awards, and holds more than 300 valid invention patents. The company is certified under ISO 9001, ISO 14001, ISO 45001, and the Energy Management System standard, and holds full compliance credentials including the “Safety Production License for Hazardous Chemicals” and the “Pollutant Discharge Permit.” In 2022, it passed the re-evaluation for the Ministry of Industry and Information Technology (MIIT) of China’s “Green Factory” designation; in 2023, it was selected into Guangdong Province’s cultivation database for “Specialized, Refined, Distinctive, and Innovative” (SRDI) small- and medium-sized enterprises—specifically in the refining and chemical sector’s energy-saving and carbon-reduction technology field. Representative projects include the Maoming Petrochemical Green and Low-Carbon Transformation Project (including a 200,000-ton-per-year CO₂ capture and enhanced oil recovery demonstration project), the capacity expansion and retrofit of Unit #2 Continuous Catalytic Reforming, pilot initiatives covering the entire hydrogen value chain (production, storage, transportation, refueling, and utilization), and China’s first hydrogen purification unit dedicated to fuel cell applications. Its product portfolio includes National VI gasoline and diesel, jet fuel, polypropylene, ethylene glycol, styrene, para-xylene, synthetic rubber, and raw materials for biodegradable plastics. The company plays a significant role in ensuring stable energy supply to the Guangdong-Hong Kong-Macao Greater Bay Area; its refined products serve western Guangdong, southern Guangxi, and northern Hainan, while its chemical products reach across Southeast Asia. Its annual foreign trade export volume totals approximately 450,000 tons. We sincerely invite collaboration in fields including green and low-carbon technologies, high-end chemical materials, hydrogen applications, RCEP cross-border supply chains, and energy supply security.