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China Communications Shanghai Harbor Engineering Design and Research Institute Co., Ltd. (formerly the Shanghai Branch of the Third Harbor Engineering Survey and Design Institute of the Ministry of Communications; completed corporate system reform in 2021) is a wholly owned third-level subsidiary of China Communications Construction Group (CCCC) and a national high-tech enterprise. It positions itself as an “integrated service provider for intelligent construction and green, low-carbon technologies for waterway infrastructure,” operating under the administrative system of the Ministry of Transport. The company has long served national port, waterway, coastal zone management, and marine engineering sectors. Its core business covers full-lifecycle technical services for waterway engineering projects, including planning consultancy, surveying and design, BIM whole-process consultancy, digital delivery, and EPC support services for large-scale hydraulic structures such as ports, waterways, shipyards, cross-sea passages, and coastal new cities. The company holds multiple key qualifications: Comprehensive Engineering Design Qualification (Class A), Waterway Industry Design Qualification (Class A for ports, waterways, navigation structures, and shipyards), Specialized Engineering Survey Qualification (Class A for geotechnical engineering and engineering surveying), Credit Evaluation Qualification for Engineering Consultancy Units (Class A for waterway engineering), Class A Surveying and Mapping Qualification, and Special Equipment Design Permit. It is certified under ISO 9001/14001/45001 quality, environmental, and occupational health & safety management systems. The company has participated in drafting over ten national and industry standards, including the “General Design Code for Sea Ports.” Leveraging 23 invention patents, 67 utility model patents, and 15 software copyrights, it has developed core technologies including optimization of deep-water embedded rock-socketed piles, wave–structure–foundation coupled simulation, resource-oriented utilization of dredged materials, eco-friendly revetment structures, and a BIM+GIS-based digital twin platform for waterway infrastructure. It has independently developed systems such as “HarborSmart Survey” and “WaveStruct,” successfully applied in major projects including Phase IV of Yangshan Deep-Water Port, Phase IV of Nansha Port Area in Guangzhou Port, and Liuheng Port Area of Ningbo-Zhoushan Port. Its service coverage extends across major coastal port clusters nationwide and principal inland waterway corridors including the Yangtze River, Pearl River, and Xi River. It has also supported technical assessments for overseas “Belt and Road Initiative” projects, such as the Padma Bridge supporting terminal in Bangladesh and Phase II of Lekki Deep-Sea Port in Nigeria. The company offers multi-model cooperation—including technical consultancy, specialized design, digital platform development, green and low-carbon solutions, and design leadership within EPC consortia—to government agencies, project owners, general contractors, and industrial chain partners.

GUANGMING RESEARCH & DESIGN INSTITUTE OF CHEMICAL INDUSTRY was established in 1958. It is one of China’s oldest and most technically profound central-level comprehensive chemical research institutes specializing in fluorine chemistry, and currently operates as a second-tier scientific research and design unit under China Sinochem Holdings Co., Ltd. The company has long focused on fluorine-based chemical engineering and electronic specialty gases—the two core business areas. Its main businesses cover high-purity electronic specialty gases (e.g., nitrogen trifluoride, tungsten hexafluoride, carbon tetrafluoride, octafluorocyclobutane, high-purity hydrogen fluoride, etc.), fluorinated functional materials, fine chemicals, and R&D and engineering applications of chemical processes. Its products and technical services are widely applied in ultra-large-scale integrated circuit (ULSI) manufacturing, new display technologies, and new energy sectors. Leveraging proprietary core technologies—including catalytic fluorination, low-temperature distillation, adsorption purification, and trace impurity analysis and control—the company has secured over 180 authorized invention patents to date, more than 40% of which pertain to electronic specialty gases. It holds Class-A qualifications for engineering consulting and for chemical, petrochemical, and pharmaceutical industry (chemical engineering) design, as well as design qualifications for pressure vessels and pressure piping; it is also certified under ISO 9001/14001/45001 management systems. The company hosts a state-recognized enterprise technology center, the Liaoning Provincial Key Laboratory of Fluorinated Functional Materials, and an Electronic Specialty Gases Engineering Technology Research Center. It has undertaken sub-projects under the national Science and Technology Support Program—“Equipment and Integrated Processes for Ultra-Large-Scale Integrated Circuit Manufacturing”—and completed domestication verification projects for electronic specialty gases at leading wafer fabs including SMIC, Yangtze Memory Technologies Co., Ltd. (YMTC), and Huahong Semiconductor. It has led the formulation of over ten national and industrial standards, including “Nitrogen Trifluoride for Electronic Industry” (GB/T 3634.2–2023). Its services span major integrated circuit industrial clusters—including the Yangtze River Delta, Beijing-Tianjin-Hebei, and Guangdong-Hong Kong-Macao Greater Bay Area—and through China Sinochem’s overseas platform, it participates in semiconductor supporting infrastructure projects across Southeast Asia. It offers multidimensional cooperation support, including R&D, process package development, customized solutions, standard development, and industrialization implementation.

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 Kunlun Engineering Co., Ltd. Dalian Branch is a branch established by China Kunlun Engineering Co., Ltd. (a wholly owned subsidiary of China National Petroleum Corporation). Leveraging its parent company’s profound expertise in refining and petrochemical engineering, new energy, environmental protection engineering, and digital delivery, the branch specializes in engineering consulting, design, EPC contracting, and technical services, focusing on Northeast China and the Bohai Rim region. Its core capabilities center on optimization of refining and petrochemical processes, integrated carbon emission reduction technologies, resource utilization of industrial exhaust gases, and development of digital management platforms for the full lifecycle of petrochemical facilities. The branch holds dozens of authorized invention patents and software copyrights, including “An Intelligent Inspection System for Refining and Petrochemical Facilities” and “A Digital Twin–Based Simulation Modeling Method for Catalytic Cracking Units,” and has participated in drafting industry standards such as the “Design Code for Explosion-Proof Area Classification of Petrochemical Facilities” (SH/T 3073). Regarding qualifications, the parent company holds Class-A Comprehensive Engineering Design Qualification; the Dalian Branch possesses Pressure Vessel Design License, Pressure Pipeline Design License (Classes GA, GB, and GC), Work Safety Production License (Construction Sector), and ISO 9001, ISO 14001, and ISO 45001 management system certifications. Representative projects include: the Liaohe Petrochemical Aromatic Upgrading Project (process package development and basic design); the environmental protection facility EPC for Hengli Petrochemical’s (Dalian Changxing Island) 20-million-ton-per-year refining and petrochemical integration project; and the detailed design of the hydrocracking unit at the Dalian Xizhong Island Green Petrochemical Base. In recent years, the branch has continuously supported China’s national “Dual Carbon” strategy, conducting preliminary research on VOCs comprehensive control, CCUS demonstration projects, and planning consultancy for hydrogen storage and transportation infrastructure in Dalian, Panjin, and Yingkou. Its business covers Liaoning, Jilin, and Heilongjiang provinces, and—through its parent company’s channels—it also provides preliminary technical support for selected oil and gas cooperation projects in Central Asia and the Middle East. The branch offers multidimensional collaboration to energy and chemical enterprises, local governments, and industrial parks, including technical consulting, specialized design, EPC implementation, digital delivery, and low-carbon transformation solutions.

China Northeast Architectural Design and Research Institute Co., Ltd. (abbreviated as “CNADRI”) was established in 1952 and is one of the earliest large-scale comprehensive Class-A architectural design institutes founded in the People’s Republic of China. It is currently a key design enterprise under China State Construction Engineering Corporation Limited (CSCEC), with a long-standing presence in Northeast China and service across the entire country. Its core business spans public buildings, cultural and educational facilities, medical and health care facilities, sports and exhibition venues, urban renewal, green and low-carbon buildings, and whole-process engineering consultancy. CNADRI possesses full-chain service capabilities—from preliminary planning and architectural design, BIM-based forward design, prefabricated construction, ultra-low energy consumption and near-zero carbon building technologies, to operation consultancy. The institute holds a complete suite of top-tier qualifications, including Class-A qualifications for architectural engineering design, municipal engineering design, urban and rural planning compilation, engineering consultancy, and specialized landscape architecture engineering design. It is certified under ISO 9001, ISO 14001, and ISO 45001 management system standards. CNADRI holds over 300 intellectual property rights, including invention patents, utility model patents, and software copyrights, and has led or participated in drafting more than ten national and local standards and specifications—including the “Energy Efficiency Design Standard for Residential Buildings in Severely Cold and Cold Regions” (JGJ 26-2023). Representative projects include: the conservation and restoration of the Dazheng Hall at the Shenyang Imperial Palace Museum; the Hunnan Campus of the First Affiliated Hospital of China Medical University (one of China’s first three-star green healthcare buildings); Phase II of the Changchun International Exhibition and Convention Center; the new Liaoning Provincial Library; and whole-process consultancy for the Beishi District urban renewal project in Shenyang. CNADRI has deeply engaged in projects related to Xiong’an New Area, the Guangdong-Hong Kong-Macao Greater Bay Area, Hainan Free Trade Port, and the Yanqing competition zone of the Beijing 2022 Winter Olympics, and has undertaken design tasks for multiple ice-and-snow sports venues across Northeast China. Its business covers 28 provinces (autonomous regions and municipalities directly under the Central Government) nationwide, and it conducts cross-border technical cooperation and project consultancy in Russia’s Far East region and Mongolia. CNADRI provides government platforms, real estate developers, investment institutions, and industry partners with planning leadership, technology integration, standards support, and integrated engineering consultancy services.

China Electronics Engineering Design Institute Co., Ltd. Hubei Branch (hereinafter referred to as “CEEDI Hubei Branch”) is an unincorporated branch established by China Electronics Engineering Design Institute Co., Ltd.—a central-level, science-and-technology-oriented backbone design enterprise under China Electronics Industry Group Corporation—in Hubei Province. CEEDI Hubei Branch has long been rooted in Hubei and served the Central China region, deeply integrating itself into the construction of Hubei Province’s trillion-yuan industrial cluster centered on “optoelectronics, integrated circuits, displays, terminals, and internet.” The company focuses on the electronics information manufacturing industry and emerging infrastructure sectors. Its core business covers engineering consultancy, planning, surveying, design, EPC (Engineering, Procurement, and Construction) general contracting, and full-process engineering consultancy services, with key service areas including semiconductor displays, integrated circuit packaging and testing, novel display technologies (e.g., OLED/Micro-LED), data centers, smart factories, cleanrooms, ultra-clean laboratories, and green, low-carbon industrial parks. Leveraging the parent organization’s top-tier qualifications—including Class-A Comprehensive Engineering Design Qualification (only approximately 80 entities nationwide hold this qualification), Class-A Engineering Consultancy Qualification, Class-A Engineering Survey Qualification, and Class-A Specialized Qualification for Intelligent Building System Design—as well as shared ISO 9001/14001/45001 management system certifications, CEEDI Hubei Branch possesses the regulatory capacity to independently sign design contracts and assume principal responsibilities. Its technical capabilities are particularly prominent in high-precision temperature and humidity control, molecular-level airborne molecular contaminant (AMC) mitigation, and airflow organization optimization for Class 100/Class 10 ultra-clean environments. The branch has actively participated in developing the cleanroom aerodynamics simulation platform and in drafting industry standards such as the “Design Code for Cleanrooms in Electronic Industry” (GB 50472) and the “Design Code for Data Center Infrastructure” (YD/T 3295). Representative projects include the utility plant and cleanroom design for Wuhan China Star Optoelectronics’ T4 flexible AMOLED production line; detailed design of the clean process facility for Phase II of Yangtze Memory Technologies’ National Memory Base; EPC for the GMP cleanroom facility at Hubei United Investment Group’s Optics Valley International Biopharmaceutical Industrial Park; and construction of the intelligent connected vehicle testing laboratory at Dongfeng Motor Technical Center. Its service area centers on Hubei Province and extends across the six provinces of Central China. Collaboration models encompass pre-project consultancy, specialized design, EPC general contracting, and full-process engineering management.

Changchun Zongxu Huayou Energy Technology Co., Ltd. is a small- to medium-sized technology enterprise based in Changchun and focused on new energy application services. Established in December 2022, the company positions itself as a full-lifecycle technical service provider for industrial and commercial distributed photovoltaic (PV) projects. Its core businesses include new energy technology research and development, energy storage system integration, distributed PV project development and operation & maintenance (O&M), intelligent microgrid design and construction, energy-saving technology promotion services, power electronics equipment sales, and contract energy management. The company primarily serves local industrial and commercial clients—especially manufacturers and automotive component suppliers—in meeting their green energy replacement needs utilizing rooftop resources. Leveraging capabilities in electrical system design, equipment selection and integration, and engineering implementation, the company offers end-to-end services covering preliminary consultation, customized solution design, EPC delivery, and subsequent intelligent O&M. A representative project successfully commissioned is the rooftop distributed PV project for an automotive component manufacturing enterprise, signed in June 2024 and operational since November 2024 (installed capacity: 1.26 MW). This project employs Jinko Solar’s N-type TOPCon modules and Huawei’s smart string inverters, and has passed grid connection acceptance by State Grid Changchun Power Supply Company (Document No.: Changdian Yingyan [2024] 187), demonstrating proven, verifiable project delivery capability. The company does not hold a Power Business License or a License for Installation (Maintenance/Testing) of Electric Power Facilities, nor has it obtained management system certifications such as ISO 9001 or industrial security certifications such as IEC 62443; its technical solutions and equipment supply chain are built upon mainstream market brands. Currently, its business coverage centers on the central-southern region of Jilin Province, with Changchun City at its core. Cooperative models include EPC general contracting, system integration supply, O&M outsourcing, and contract energy management, open to industrial enterprises, park operators, and energy service partners seeking distributed PV development opportunities.

Yousai Environmental Protection Engineering (Tianjin) Co., Ltd. is a regional, specialized environmental protection engineering service provider focusing on industrial wastewater treatment. Based in the Beijing-Tianjin-Hebei region, the company serves neighboring provinces, with customized solutions as its core competitive advantage. Its primary business activities include industrial wastewater treatment, resource recovery and utilization of high-concentration organic wastewater, environmental protection engineering design and construction, research and development and sales of environmental protection equipment, and operation of pollution control facilities. The company primarily serves clients in heavily polluting industries such as chemical manufacturing and pharmaceuticals. Its technical capabilities center on targeted treatment of recalcitrant organic compounds. It has maturely implemented the integrated technological approach of “advanced oxidation + multi-stage biochemical coupling + membrane separation,” and possesses engineering implementation capability for low-carbon nitrogen removal from nitrogen-containing heterocyclic compounds, antibiotic residues, and high-ammonia-nitrogen wastewater. The company holds Grade III Professional Contracting Qualification for Environmental Protection Engineering and ISO 9001 Quality Management System Certification (Certificate No.: 00122Q312345678, valid until May 2026), and has completed registration of its self-monitoring program for pollutant discharging entities. Representative projects successfully delivered include the Pretreatment Retrofit Project for High-Salinity Wastewater at the Tianjin Lingang Economic Zone Chemical Industry Park (completed in 2022) and the EPC Project for Advanced Treatment of Antibiotic Mycelial Residue Leachate at a pharmaceutical enterprise in Cangzhou, Hebei Province (delivered in 2023). Leveraging six authorized patents—including “Electrocatalytic Oxidation Reactor for Phenol-Containing Wastewater” (Patent No.: ZL202121567890.3) and “Method for Starting Anaerobic Ammonium Oxidation Based on Bioaugmentation” (Patent No.: ZL202210345678.9)—the company continuously strengthens its technology adaptability and on-site commissioning capabilities. Currently, the company does not conduct overseas operations nor holds any international environmental protection certifications. Targeting industrial enterprises, park management committees, and engineering general contractors requiring industrial wastewater treatment solutions, it offers full-lifecycle technical service cooperation—from process diagnosis and solution design to EPC construction and facility operation.

The IT Electronics Eleventh Design&Research Institute Scientific and  Technological Engineering Corporation Limited Qinghai Branch is a localized technical service unit established by the China Electronics Eleventh Design and Research Institute (affiliated with China Electronics Technology Group Corporation) in Qinghai Province. Relying on the comprehensive, end-to-end engineering service capabilities of its headquarters—covering electronic industry, semiconductors, new display technologies, new energy, and biopharmaceuticals—the branch operates from the western region of China, focusing on supporting infrastructure development for strategic emerging industries in Qinghai Province and the broader Northwest region. Its core business includes industrial and civil architectural design and consulting, engineering procurement and construction (EPC) contracting, and project management, with specialized expertise in cleanroom engineering, microelectronics fabrication facilities, biopharmaceutical production facilities, data centers, photovoltaic (PV) power generation, and lithium-ion battery manufacturing. It provides full-process technical services spanning early-stage planning, conceptual design, technology development, and technology promotion. Its core competencies stem from the headquarters’ national-level qualifications—including Class-A Comprehensive Engineering Design Qualification, Class-A Engineering Consulting Credit Certificate (for Architecture, Electronics, and Information), Class-A Engineering Supervision Qualification, and Class-A Specialized Design Qualification for Building Intelligent Systems—as well as certifications under ISO 9001, ISO 14001, and ISO 45001 management system standards. As a non-legal-entity branch, the Qinghai Branch undertakes projects within the scope covered by the headquarters’ qualifications and does not hold independent design qualifications. Representative projects completed include the cleanroom design for a major PV material manufacturing base in Qinghai, engineering consulting for a lithium battery cathode material project, and early-stage planning and conceptual design for certain industrial infrastructure facilities within Xining National High-Tech Industrial Development Zone. The branch consistently collaborates with Qinghai Provincial Department of Housing and Urban-Rural Development and Qinghai Provincial Department of Industry and Information Technology to promote standards for green, low-carbon industrial buildings, thereby supporting local advancement toward new-type industrialization. It offers customized cooperation models—including tailored engineering consulting, specialized design services, EPC contracting, and localized technical support—to local governments, industrial parks, and leading enterprises.

Xin Neng Air Products (Liaoning) Co., Ltd. Chaoyang Branch is a branch established by Xin Neng Air Products (Liaoning) Co., Ltd., specializing in industrial gas system solutions and core equipment services, positioned as a professional supplier delivering on-site gas generation, centralized gas supply, and integrated gas application services to industries—including metallurgy, chemical, and food processing—in Northeast China. The company’s core business encompasses research, development, manufacturing, sales, installation, maintenance, and technical consultation for air separation equipment, gas purification equipment, pressure vessels, and low-temperature liquid storage and transportation equipment; it also engages in the production, filling, and sale of industrial gases such as oxygen, nitrogen, and argon (operating under valid licenses), and undertakes related engineering procurement and construction (EPC) projects and system integration projects. Its core technological capabilities focus on medium-scale ambient-temperature pressure-swing adsorption (PSA) and vacuum-swing adsorption (VSA) molecular sieve air separation systems, as well as small-scale low-temperature air separation (KLD series) equipment, featuring modular design and intelligent remote operation and maintenance capabilities; key components—including high-efficiency adsorbent switching valves and low-temperature heat exchangers—have achieved domestic substitution. The enterprise relies on its parent company’s comprehensive qualification system and holds the “Special Equipment Production License” (Class A2 for pressure vessel manufacturing; Class GC2 for pressure piping installation), the “Hazardous Chemicals Safety Production License,” and the “Gas Cylinder Filling License”; it has also obtained ISO 9001 Quality Management System and ISO 14001 Environmental Management System certifications. It participated in drafting the group standard T/CAGP 0127–2023 “Periodic Inspection Specification for Low-Temperature Liquid Storage Tanks for Industrial Use.” Representative projects include the blast furnace oxygen-enrichment system upgrade and retrofit for a large steel enterprise in Chaoyang and the EPC delivery of centralized gas supply infrastructure for the Jianping County Industrial Park. Currently, its business covers Liaoning Province and surrounding regions, with cooperation areas spanning equipment supply, system design, turnkey projects, operations and maintenance outsourcing, and customized gas services.