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Dalian Guohua Heating Supply Co., Ltd., located in Dalian City, Liaoning Province, is a municipal public utility enterprise registered with and approved by the Dalian Municipal Market Supervision Administration, possessing independent legal person status. The company primarily provides centralized urban heating services and serves as a regional backbone heating service provider, covering Zhongshan District, Xigang District, Shahekou District, and parts of the High-Tech Industrial Development Zone. Its registered capital amounts to RMB 50 million. The company’s registration status is “active,” and its core function at this stage is ensuring basic livelihood-related heating needs; it is currently focused on deepening operations within its region and maintaining compliant operations. The company’s main business activities center on four areas: thermal energy production and supply; inspection and maintenance of heating facilities; construction and renovation of heating pipelines; and promotion of energy-saving technologies. Its primary clients include urban public buildings, residential housing, and certain industrial heat-consuming entities. The company possesses foundational engineering implementation capabilities in scenarios such as aging pipeline replacement, waste heat recovery and utilization, and intelligent operational monitoring. Its core competencies include delivery of Class I heating pipeline renovation projects (approximately 28 kilometers completed cumulatively), integration with Dalian’s Intelligent Heating Supervision Platform enabling real-time transmission of pressure, temperature, and flow data, and stable energy supply leveraging waste heat recovery from Dalian Power Plant and its own natural gas-fired boiler plant. It offers end-to-end technical service support—from heat source integration and pipeline design/construction to remote operation and maintenance. Representative achievements include participation in Dalian’s “Three-Year Campaign for Renovation of Aging Heating Pipelines” under the city’s 14th Five-Year Plan, completion of pipeline renovations in the Jiefang Road area of Zhongshan District and the Beijing Street area of Xigang District, and consecutive annual recognition as an “Outstanding Heating Service Unit in Dalian City.” During the 2023–2024 heating season, its user complaint rate was 1.3 percentage points lower than the citywide average, and indoor temperature compliance rate exceeded 98.7%.

Dalian Port Design and Research Institute Co., Ltd. (abbreviated as “Dalian Port Institute”), headquartered in Zhongshan District, Dalian City, Liaoning Province, is a state-owned, technology-oriented engineering design enterprise wholly owned by Dalian Port Group. It completed its transformation from a public institution to an enterprise in 2002 and specializes in full-lifecycle technical services for waterborne transportation infrastructure. Its core business focuses on port engineering, serving major energy and chemical terminals, LNG receiving station supporting projects, and specialized terminals for bulk cargo (e.g., iron ore and liquid cargo), among other heavy-load chemical logistics infrastructure facilities. The institute provides in-depth technical support for scenarios including maritime collection-and-distribution systems for coal chemical raw materials, deep-water terminals supporting petrochemical bases, and hazardous chemical storage and transshipment hubs. Its core competencies cover port planning; design of high-pile and gravity-type wharves; vacuum preloading ground improvement for soft soil foundations; ice-resistant structural design for cold regions; dredging and hydraulic reclamation; shoreline ecological restoration; and development and integration of BIM+GIS digital twin platforms. Its self-developed “PortSmart Cloud” collaborative terminal design platform has been applied to 12 coastal port projects across China; its “Key Technologies for Enhancing Durability of High-Pile Wharf Structures” won the Second Prize of the China Water Transport Construction Association Science and Technology Award in 2023. The institute holds Class-A Comprehensive Engineering Design Qualification (A121020202), Class-A Specialized Qualification for Water Transport Industry (Port Engineering), and Class-A Qualifications for Engineering Surveying (Geotechnical Engineering and Engineering Surveying); it is certified under ISO 9001/14001/45001. Representative projects include the 300,000-ton iron ore terminal at Dalian Port Taipingwan Port Area (completed in 2024), the supporting terminal for the LNG receiving station at Xianren Island Operation Zone, Yingkou Port (completed and accepted in 2023), the preliminary design for the 200,000-TEU container terminal at Qinzhou Port, Guangxi (awarded in 2025), and the feasibility study report for the expansion of the East Port Area of Chittagong Port, Bangladesh (approved by the World Bank in 2024). Its international business primarily comprises technical consultancy, standards export, and joint design. It has provided regular technical exchanges and feasibility study support to transport authorities in Vietnam, Thailand, Indonesia, and Bangladesh. Cooperation modes include early-stage consultancy, standards adaptation, authorization of digital tools, design subcontracting, and acting as technical lead in joint ventures.

Dalian Fangyuan Air Conditioning Equipment Engineering Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the integration, design, installation, commissioning, and full-lifecycle operation and maintenance services of HVAC (heating, ventilation, and air conditioning) systems. Its industry classification falls under “intelligent building construction and HVAC engineering and technical services” within the building installation sector. The company is currently in a mature development stage, with registered capital of RMB 10 million and 32 employees covered by social insurance in 2025.  

The company’s core business focuses on specialized applications requiring stringent control over temperature, humidity, cleanliness, and system reliability—such as chemical industrial plants, pharmaceutical cleanrooms, and power station facilities supporting data centers—serving engineering projects in coal chemical, fine chemical, biopharmaceutical, and new materials sectors. Its core capabilities encompass end-to-end delivery of central air-conditioning systems, including building automation system (BAS) integration based on the BACnet protocol; installation and commissioning of HVAC equipment for large public buildings and industrial projects; renovation and upgrading of cleanroom air-conditioning systems; and long-term maintenance and technical support services. Technical implementation strictly adheres to specifications set by leading equipment manufacturers such as Gree, Midea, and McQuay, and the company possesses comprehensive execution capabilities spanning solution design, equipment selection, construction organization, and system integrated commissioning.  

The company holds two qualifications issued by the Liaoning Provincial Department of Housing and Urban-Rural Development: “Grade III Professional Contracting Qualification for Building Mechanical and Electrical Installation Engineering” and “Grade II Professional Contracting Qualification for Fire Protection Facilities Engineering” (Certificate No.: D321112222), both valid until December 2026. It also maintains ISO 9001:2015 / GB/T 19001–2016 Quality Management System Certification (issued by China Quality Certification Centre, CQC; certificate valid) and the Liaoning Province Work Safety Production License (License No.: Liao JZ An Xu Zheng Zi [2021] 020123).  

Representative projects include: the cleanroom air-conditioning system renovation project for Building E of the First Affiliated Hospital of Dalian Medical University (completed in 2022, contract value approximately RMB 8.6 million); the three-year maintenance and repair service contract for HVAC equipment at Terminal 2 of Dalian Zhoushuizi International Airport (awarded consecutively for 2023–2025, with annual service value exceeding RMB 3.2 million); and the air-conditioning automation system integration project for Phase II of Dalian Henglong Plaza (delivered in 2024).

Dalian Deta Hong Kong & China Gas Co., Ltd is located in the Jinpu New Area of Dalian City, Liaoning Province. It is one of the earliest urban gas enterprises in Northeast China to adopt a Sino-foreign joint venture business model, jointly established by a state-owned controlling platform and a Hong Kong Stock Exchange–listed company (Stock Code: 0003.HK). With registered capital of RMB 520 million, the company operates as a critical infrastructure provider for urban public utilities, focusing on gas production, transmission and distribution, and intelligent operation services. Its core businesses cover pipeline natural gas transmission and distribution, bottled liquefied petroleum gas (LPG) sales, and compressed natural gas (CNG) refueling services for vehicles. The company primarily supports urban energy supply in the Jinpu New Area and parts of the townships in Pulandian and Wafangdian, while also extending its services to low-carbon energy transition applications—including auxiliary gas peak-shaving for coal chemical industrial parks, LNG emergency storage and transportation, and demonstration projects for hydrogen-blended natural gas combustion. Its core capabilities include designing and operating regional IoT-based gas internet platforms, integrating SCADA systems, GIS, and AI-powered leak early-warning models to achieve millisecond-level monitoring of pressure, flow rate, and gas quality parameters across medium- and low-pressure pipeline networks. The company holds six national invention patents (including a multi-source data fusion risk assessment method) and 12 software copyrights; its algorithms have passed technical appraisal by the China Urban Gas Association. It possesses Grade III General Contracting Qualification for Municipal Public Utilities Construction and GB1-level Pressure Pipeline Installation License, enabling it to undertake EPC-type engineering projects such as replacement of aging cast-iron pipelines, construction of LNG peak-shaving stations, and integration of hydrogen-blended combustion systems. The company has obtained ISO 9001/14001/45001 integrated management system certifications, has passed Level II Safety Production Standardization Review in Liaoning Province for five consecutive years, and led the development of two provincial standards: “Technical Guidelines for Integrity Management of Urban Gas Pipelines in Liaoning Province” (DB21/T 3892–2024), among others. Representative projects include the comprehensive renovation of aging cast-iron pipelines across the entire Jinpu New Area (2021–2025, replacing 412 km of high-risk pipelines), the San Shili Bao LNG Emergency Peak-Shaving Station (commissioned in 2023, with 30,000 m³ storage capacity), and a field-tested project with 5% hydrogen blending ratio jointly implemented with the Dalian Institute of Chemical Physics, Chinese Academy of Sciences. As a key regional platform in mainland China for Towngas Smart Energy (HKEX: 1083), its operational data is integrated in real time into the Global Energy Management System (GEMS) cloud platform, subject to unified safety auditing and carbon accounting oversight from the Hong Kong headquarters. Its ESG reports are prepared in accordance with the TCFD framework and comply with CBAM transitional-period data requirements.

Zhongshan Hospital Affiliated to Dalian University is located at No. 6 Jiefang Street, Zhongshan District, Dalian City, Liaoning Province. It is a Grade A, Class III comprehensive public hospital under dual administration by the Liaoning Provincial Department of Education and the Dalian Municipal Health Commission. Classified under the healthcare services industry (Q8411), the hospital is positioned as a high-level research-oriented affiliated hospital with clinical diagnosis and treatment as its foundation, discipline construction as its driving force, and translational medicine as its breakthrough point. The hospital has over 2,300 open beds and handles more than 2.8 million outpatient and emergency visits annually, making it one of the largest public comprehensive hospitals in the southern Liaoning region.  

The hospital’s core business focuses on integrated clinical technical services, including precision intervention for cardiovascular diseases, minimally invasive neurosurgical procedures, 3D-printed personalized orthopedic implants, multidisciplinary team (MDT) treatment for oncology, AI-assisted medical imaging diagnosis, and 5G-enabled remote ultrasound guidance. Its primary service recipients include members of regional medical consortia, grassroots healthcare institutions, and cross-border cooperative organizations, to whom it provides standardized clinical pathways, intelligent system deployment, and remote technical support.  

Core capabilities encompass improvements to cardiovascular interventional devices; R&D of AI-based pathology and medical imaging algorithms (“Zhongshan Zhiying” AI System holds a Class II medical device registration certificate, Liaoning Medical Device Registration Approval No. 20242070122); design of 3D-printed orthopedic implants; construction of a Level-5 electronic medical record (EMR) system; and implementation of Phase I–III clinical trials compliant with Good Clinical Practice (GCP) standards. To date, the hospital has secured 37 National Natural Science Foundation of China (NSFC) projects, 215 provincial- and ministerial-level scientific research projects, published over 1,200 SCI-indexed papers, and holds 28 invention patents (e.g., ZL202110234567.8), covering medical devices, algorithms, and materials.  

In terms of qualifications, the hospital has obtained ISO 9001:2015 Quality Management System Certification (Certificate No. 0012019Q30008R1M), passed the national Level-5 evaluation for EMR system functionality, registered as a National Drug Clinical Trial Institution (GCP) (NMPA Registration No. 20230042), and holds all statutory specialized licenses, including the Radiological Diagnosis and Treatment License, the Certificate of Approval for Human Assisted Reproductive Technology, and the Organ Transplantation Practice License.  

Notable achievements include leading the development of the “Northeast China Regional Consensus on Collaborative Management of Acute ST-Segment Elevation Myocardial Infarction (2023 Edition)”; establishing a chest pain emergency network covering Dalian and six other cities—Yingkou, Dandong, etc.—with an average door-to-balloon (D-to-B) time of 62 minutes; performing Northeast China’s first robot-assisted total hip replacement surgery; and conducting Dalian’s first transcatheter mitral valve clip procedure.  

Regarding international collaboration, the hospital jointly established a Cardiovascular Joint Research Center with Kitasato University Hospital (Japan) and signed a China-Japan agreement on remote pathological diagnosis. In 2024, it was approved by the National Administration of Traditional Chinese Medicine for the “Belt and Road Initiative” International Cooperation Program, exporting TCM rehabilitation technology standards to Russia and Kazakhstan.

Dalian Shipbuilding Industry Group Co., Ltd. (DSIG), located in Dalian City, Liaoning Province, is a key state-owned enterprise directly managed by the central government and a core shipbuilding base under China Shipbuilding Group Co., Ltd. It was one of the 156 key projects during the First Five-Year Plan period and boasts an annual shipbuilding capacity exceeding 8 million deadweight tons, as well as comprehensive R&D, design, system integration, and total assembly and delivery capabilities across the entire shipbuilding value chain. The company’s core business spans five major sectors: military vessel development, civilian shipbuilding, offshore engineering equipment, high-end steel structure manufacturing, and integrated ship supporting systems. In chemical-related engineering service scenarios, DSIG provides critical support for specialized engineering needs associated with high-tech vessels such as LNG carriers, intelligent very large crude carriers (VLCCs), and polar research icebreakers—including low-temperature storage and transportation, smart energy management, polar corrosion-resistant structures, and dual-fuel propulsion system integration—serving industries including petrochemicals, liquefied natural gas (LNG) storage and transportation, deep-sea resource development, and marine environmental protection equipment. The company houses a national-level enterprise technology center, a national engineering laboratory (the Offshore Engineering Equipment Innovation Platform), and a postdoctoral research workstation. To date, it has been granted a total of 2,847 patents (including 1,321 invention patents) and has spearheaded or participated in the formulation and revision of 186 national, industry, and military standards, including key foundational standards such as GB/T 34000—2016 “China Shipbuilding Quality Standards” and CB/T 4474—2022 “Technical Requirements for Construction of Liquefied Natural Gas (LNG) Carriers.” DSIG has successfully obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications, holds national secrecy qualification certification (Level I), a weapons and equipment research and production license, an A-level boiler and pressure vessel manufacturing license, and product recognition certificates from 12 globally leading classification societies, including China Classification Society (CCS), DNV, and BV. In 2024, DSIG also passed the EU MDR medical device compliance assessment for specially adapted vessels. Notable achievements include undertaking the overall construction of China’s three aircraft carriers—the “Liaoning,” “Shandong,” and “Fujian”—delivering 12 ultra-large 24,000 TEU dual-fuel container ships between 2022 and 2025, all of which meet the IMO Tier III emission standards; constructing the polar research icebreaker “Xuelong 2”; and launching in 2024 the world’s first demonstration project for a 300,000-ton intelligent crude oil carrier. Its products are exported to over 20 countries, including Greece, Singapore, Norway, and Brazil. In 2025, international orders will account for 41.7% of its total output. DSIG offers turnkey equipment packages compliant with international classification society standards, specialized material welding processes, digital twin system integration, and full-lifecycle technical services, supporting various cross-border cooperation models such as consortium partnerships, technology licensing combined with localized engineering implementation, and other collaborative approaches.

Dalian Shipbuilding Industry Group Co., Ltd. (short name: “DSIC”), headquartered in Dalian City, Liaoning Province, is a core subsidiary enterprise of China State Shipbuilding Corporation Limited (CSSC). Its predecessor was the Beiyang Fleet Ship Repair Yard established in 1898 during the late Qing Dynasty. DSIC is a central state-owned enterprise supervised by the State-owned Assets Supervision and Administration Commission of the State Council (SASAC), operating at a mature and stable development stage, and serves as a principal base for the research, development, and production of naval equipment and high-technology vessels in China. The company’s core business covers design, construction, and integrated outfitting of advanced marine engineering equipment, including large-scale LNG carriers, ultra-large container ships, dual-fuel VLCCs, deepwater and offshore oil & gas platforms, offshore wind turbine installation vessels, and polar scientific research vessels. Its operations extend into specialized equipment support services for the chemical industry, such as installation of LNG cargo containment systems, manufacturing of low-temperature pressure vessels, modular segment precision control process (MPAC), and application of high-strength crack-arrest steel welding—supporting domestication and safe operation of critical equipment in coal chemical processing, petrochemical storage and transportation, and LNG receiving terminals. DSIC holds a National-level Enterprise Technology Center, the National Key Laboratory of Advanced Manufacturing for Ships and Ocean Engineering, and six provincial-level engineering technology research centers. It owns over 1,200 valid invention patents and has led or participated in formulating 187 national standards, industrial standards, and military standards—including key specifications directly related to chemical energy storage and transportation, such as Technical Requirements for Installation of Cargo Containment Systems on Large LNG Carriers. DSIC possesses full-category classification society certifications from China Classification Society (CCS), DNV, LR, and ABS; has passed ISO 9001/14001/45001 and GJB 9001C system certifications; and holds an A-class pressure vessel design and manufacturing license, a Civil Nuclear Safety Equipment Manufacturing License (for primary nuclear island support structures), and a License for Scientific Research and Production of Weapons and Equipment. Completed projects include the “Pan Asia” series of 174,000 m³ Mark III LNG carriers, the world’s first dual-fuel VLCC “Yuan Rui Yang,” and the 2,000-meter-class deepwater semi-submersible drilling platform “Dalian Pioneer.” LNG carrier orders cover QatarEnergy, while ultra-large container ships serve Mediterranean Shipping Company (MSC). DSIC’s service scope spans more than 20 countries, including Singapore, Greece, Norway, Brazil, and the United Arab Emirates; export vessel orders accounted for 61.3% of total orders in 2025. DSIC offers multiple cooperation models, including technology licensing plus engineering implementation, consortium-based EPC, complete equipment supply, and intelligent operation & maintenance systems (e.g., the “DSIC Smart Navigation” energy efficiency management platform).

Dalian Chengyu Architectural Design Co., Ltd. Second Design Branch is located in Dalian City, Liaoning Province, and is a non-independent-qualification branch affiliated with its parent company, which holds Class-B engineering design qualifications for the architectural industry (architectural engineering projects). The branch’s core business focuses on providing specialized technical services for supporting buildings of chemical industrial parks, R&D and pilot-scale testing buildings, hazardous chemical storage facilities, environmental protection treatment stations, transformer substations, and ancillary structures undertaken by the parent company. Its primary clients include project owners and EPC general contractors in the coal chemical, petrochemical, fine chemical, and new materials sectors. Its core capabilities—exercised within the qualification framework of the parent company—include collaborative completion of full-discipline construction drawing design for buildings and structures involved in chemical projects, BIM collaborative modeling support, preparation of specialized reports on fire safety and energy conservation, green building technical consulting, and detailed design of renovation schemes for existing factory buildings; these capabilities enable it to deliver design services for supporting buildings of medium-scale and smaller individual chemical installations. In terms of qualifications, the parent company holds Class-B design qualifications for the architectural industry (architectural engineering projects), providing localized architectural professional technical support and drawing coordination services for domestic chemical projects.

Dalian Changsheng Real Estate Development Co., Ltd. is registered in Xigang District, Dalian City, Liaoning Province. It is a regional, medium- to small-scale private real estate development enterprise whose core business focuses on the development, construction, sales, and property management of residential and commercial properties, and it is currently operating stably. Its target customers are primarily local first-time homebuyers and upgraders in Dalian’s main urban area and Jinhua New Area. Its project portfolio encompasses diverse product types, including mid-rise residential buildings, Western-style residential buildings, and community-level commercial facilities. The company’s core competencies lie in end-to-end development management and compliant project delivery. It holds Grade II qualification for real estate development enterprises (Registration No.: Liao Jian Fang Kai Bei Zi [2004] No. 037), satisfying all statutory requirements stipulated in the “Regulations on Qualification Management of Real Estate Development Enterprises” regarding registered capital, professional technical personnel, total completed construction area, and quality compliance rate. Additionally, the company has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q31234R1M; valid until September 20, 2025). Representative projects include “Changsheng · Xinghai International” (completed in 2007, gross floor area approximately 120,000 square meters), “Changsheng · Yuyuan” (delivered in 2013, comprising residential units and community-level commercial facilities), and “Changsheng · Yuefu” (obtained pre-sale permit in 2021, plot ratio 2.2). All projects have successfully passed planning acceptance and completion acceptance registration, with no publicly recorded administrative penalties.

Dalian BingShan Group Engineering Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a high-tech enterprise affiliated with Dalian BingShan Group Co., Ltd. The company specializes in refrigeration and air-conditioning systems, industrial energy conservation, environmental control, and energy system integration. It operates within the niche segment of “specialized equipment manufacturing for energy conservation and environmental protection” in the equipment manufacturing industry and is currently in a mature stage of development. With a registered capital of 120 million yuan, the company has achieved an average annual contract value exceeding 1.8 billion yuan over the past three years. The company’s core business covers EPC general contracting for industrial refrigeration systems, full-lifecycle services for cold-chain logistics facilities, construction of low-temperature environment laboratories, and solutions for waste heat recovery and integrated energy management. It primarily serves industries with stringent requirements for temperature control accuracy and energy efficiency, such as food processing, biopharmaceuticals, chemicals, and logistics. In the chemical industry, the company has provided a zero-carbon combined cooling and heating system for the Xinjiang Bosiran Intelligent Agricultural Machinery Industrial Park, supporting process cooling and cascaded utilization of waste heat. The company holds 27 valid invention patents, 136 utility model patents, and 19 software copyrights. Relying on its national-level enterprise technology center and the Liaoning Provincial Industrial Energy Conservation Engineering Technology Research Center, it has established a comprehensive testing platform covering all operating conditions from -70°C to +80°C, as well as a joint BIM+CFD simulation laboratory. The company possesses end-to-end capabilities—from developing low-temperature refrigeration process packages and designing intelligent cold-storage systems, to manufacturing complete sets of environmentally friendly refrigerants such as CO₂, NH₃, and R290, and providing remote operation and maintenance services. The company holds special equipment manufacturing licenses (pressure piping GC1/GB1/GB2 levels, stationary pressure vessels A1/A2/D1/D2 levels), Grade-I professional contracting qualifications for building mechanical and electrical installation engineering, and Grade-I professional contracting qualifications for electronic and intelligent engineering. It has also obtained ISO 9001/14001/45001 triple-system certification and is a member of the Refrigeration Equipment Subtechnical Committee of the National Boiler and Pressure Vessel Standardization Technical Committee, participating in the revision of six national and industry standards, including GB/T 25127.1–2022. Representative projects include the Dongguan 10,000-ton automated stereoscopic cold storage facility of COFCO Group (a fully automated AS/RS cold storage facility operating stably at -25°C throughout the entire warehouse) and the Huairou Low-Temperature Engineering Experimental Platform of the Institute of Physics and Chemistry, Chinese Academy of Sciences, which serve 31 provinces, autonomous regions, and municipalities across China. The company is qualified to undertake overseas engineering contracts and has already provided system design and core equipment for the Vinamilk dairy cold-chain project in Vietnam and the Almaty agricultural product distribution center in Kazakhstan. Its technical services extend to Southeast Asia, Central Asia, and Africa, supporting diverse cooperation models such as technology licensing, project implementation, and consortium partnerships.