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Dalian Fujia Dahua Petrochemical Co., Ltd. is located in the Changxing Island Economic and Technological Development Zone of Dalian City, Liaoning Province. It is a large-scale private integrated refining and chemical manufacturing enterprise approved by the National Development and Reform Commission (NDRC) and controlled by Dalian Fujia Group. The company is in a mature operational phase, with an integrated production capacity of 4.4 million tons/year of refined oil, 1.4 million tons/year of para-xylene (PX), 1 million tons/year of ethylene, and associated downstream derivative products. Its industry classification is petroleum and natural gas extraction and refining (B0711). The company’s core business focuses on crude oil processing, aromatic hydrocarbon production (particularly PX), ethylene cracking, and downstream chemical product manufacturing. Its primary customers include leading domestic polyester industry chain enterprises such as Hengli Petrochemical and Zhejiang Petrochemical. Its premium-grade PX accounts for approximately 6.3% of the domestic market share (Sinopec Consulting 2025 Report). Its core technical capabilities cover the application and optimization of large-scale continuous reforming plus adsorption separation process packages. It holds 17 publicly disclosed invention patents, six of which directly support high-selectivity, low-energy-consumption PX purification processes—e.g., “Adsorbent for Para-Xylene Separation and Preparation Method Thereof” (Patent No.: ZL201810294321.6). Its ethylene cracking furnace operating cycle reaches 92 days, exceeding the industry average of 75 days. Its low-temperature waste heat integration and utilization system recovers over 300,000 tons of steam annually, achieving an energy-saving rate of 12.6%. The company holds the “Safety Production License for Hazardous Chemicals” (Liaoning WH Anxu Zheng Zi [2023] No. 02-0037), the “Pollutant Discharge Permit” (No.: 9121020077726782XK001P), and the “Radiation Safety Permit,” and has passed ISO 9001, ISO 14001, and ISO 45001 certification (Certificate No.: 00122Q31232R1M; valid until December 2025). Representative achievements include participation as a key contractor in the National Energy Administration’s sub-project “Key Technology Research and Development for Energy Efficiency Improvement in Refining and Chemical Industries” (2021–2024); completion of Phase I of the Public Utilities Island construction for the Changxing Island Petrochemical Industrial Base; and large-scale application of domestically manufactured critical equipment (adsorption towers and simulated moving bed units) for its PX plant. Through Sinopec International Trade Co., Ltd., the company indirectly exports chemical by-products—including benzene and mixed xylenes—to traders in countries such as South Korea and Vietnam on an FOB Dalian Port basis. According to 2024 customs statistics, the related export value amounted to RMB 187 million. The company possesses engineering delivery and supply-chain coordination capabilities based on China’s domestic standards system.

Dalian Dongtai Organic Waste Treatment Co., Ltd., located in Gezhenbao Subdistrict, Ganjingzi District, Dalian City, Liaoning Province, is an environmental protection-oriented high-tech enterprise specializing in the harmless treatment and resource-based utilization of organic waste. It falls under the category of ecological conservation and environmental governance (GB/T 4754–2017 Code 7721) and has entered a stage of large-scale, stable operation. The company possesses end-to-end processing capacity for 300 tons per day of catering waste, kitchen and food waste, municipal sludge, and agricultural organic waste. Its core business covers four areas: catering and kitchen waste treatment; collaborative treatment of municipal sludge; biogas upgrading and utilization; and production of bio-organic fertilizer. Its primary clients include urban sanitation administrative departments, municipal public utilities groups, and regional environmental infrastructure investment and operation entities. Its core technical capabilities are embodied in the integrated “pre-treatment + wet mesophilic anaerobic digestion + biogas upgrading + sludge-derived fertilizer production” process package and its engineering implementation. The company holds three authorized invention patents—including a high-efficiency impurity removal device for catering waste and a pH-ORP dual-feedback intelligent control method—as well as eleven utility model patents. Its anaerobic system employs custom-designed reactors from Voelker (Germany), achieving an organic loading rate of 3.2 kg VS/m³·d and a methane yield of 380 Nm³/t VS, compliant with CJ/T 510–2017 standards. It provides full-process technical services—from process design, equipment selection, and intelligent control system integration to compliance certification of biogas-derived fertilizer products. The company holds the following permits and certifications: the “Permit for Commercial Services of Urban Domestic Waste” (Liaoning Environmental Permit No. [2018] 047); the “Hazardous Waste Operation Permit” (Liaoning Hazardous Waste Operation Permit No. 2102110001); the “Fertilizer Registration Certificate” (Liaoning Agricultural Fertilizer Registration No. [2022] Approval No. 0037); and the “Bio-Organic Fertilizer Production License” (Liaoning Feed & Bio-Production License No. 21020001). It is certified under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. Representative achievements include continuous execution of five phases (2021–2025) of Dalian Municipal Government’s Purchased Services Projects for Catering Waste (Contract Nos. DLZFCG-2021-089, etc.), accounting for 63.7% of the city’s total compliant disposal volume; completion of the demonstration project for collaborative sludge treatment supporting Dalian’s new airport, achieving an 82% co-digestion volume reduction rate; and participation in the Chinese Academy of Sciences’ Shenyang Institute of Applied Ecology’s research project “Optimization of Low-Temperature Anaerobic Microbial Consortia in Northeast China’s Cold Regions” (Project No. SY2024ECO-017), enabling stable winter-operation performance.

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 Daxiang Engineering Technology Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research and development, design, manufacturing, and technical services of rubber machinery and polymer material processing equipment. The company operates in the specialized equipment manufacturing industry (C3513: Manufacturing of Specialized Rubber Processing Equipment) and is in the mature development stage. Its paid-in capital amounts to RMB 20 million, and it possesses independent legal person status and the right to conduct import/export operations independently.  

The company’s core business covers customized development of key equipment for rubber compounding and shaping, as well as independent research and development of critical components. Typical clients include tire manufacturers (e.g., Zhongce Rubber, Linglong Tire, Sentury Tire, Sailun Group, India’s Apollo Tyres), rubber hose producers (e.g., Vietnam’s Hoa Sen Group), and green manufacturing enterprises for high-performance elastomers. Its core capabilities focus on the manufacturing of complete sets of equipment—including internal mixers, open mills, and calenders—as well as the R&D of key subsystems such as intelligent temperature control systems, PLC-integrated control modules, and online rheological monitoring devices for rubber compounds. Its technological approach integrates mechanical structural optimization with industrial Internet-of-Things (IIoT). The company holds six invention patents, 22 utility model patents, and 11 software copyrights; energy consumption of its key equipment is 12.3% lower than the industry average.  

In 2021, the company obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q31234R1M); in 2023, it was recognized by Liaoning Provincial Department of Industry and Information Technology as a “Specialized, Refined, Distinctive, and Innovative” (Zhuan Jing Te Xin) small- and medium-sized enterprise (Letter No.: Liao Gong Xin Qi Han [2023] 187). Its products comply with safety standards GB/T 12781-2022 and ISO 20435:2020 and have obtained CE and Russian EAC certifications.  

Representative projects include: delivery of a fully automated internal mixing production line to Zhongce Rubber’s Hangzhou base (2023, operational stability: 99.2%); construction of a 50,000-ton-per-year rubber hose compounding workshop for Vietnam’s Hoa Sen Group (completed in 2024—the first full-line export of Chinese rubber equipment to Southeast Asia); and participation in the National Key R&D Program “Key Technologies for Green Manufacturing Equipment of High-Performance Elastomers,” specifically developing the digital twin module for internal mixing processes.  

The company has established an authorized service network covering Vietnam, Thailand, Russia, and Egypt. In 2025, export revenue accounted for 31.6% of total revenue, supporting CE/EAC-compliant deliveries, technology licensing plus engineering implementation, and localized joint services.

Dalian Dati Gas Technology Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research and development, production, filling, analytical testing, and supporting services of specialty electronic-grade gases. The company operates within the specialized chemical product manufacturing industry (C2669). Established in 2011, it has fully paid in its registered capital of RMB 20 million and remains continuously operational.

The company’s core business covers the full supply chain of high-purity electronic specialty gases required by high-end manufacturing sectors such as semiconductors, LEDs, photovoltaics, and flat-panel displays. Typical products include 12 gases—such as electronic-grade nitrogen trifluoride (NF₃), tungsten hexafluoride (WF₆), carbon tetrafluoride (CF₄), and octafluorocyclobutane (C₄F₈)—widely applied in wafer etching, thin-film deposition, and cleaning processes.

The company possesses ppq-level trace impurity analysis capability, equipped with ICP-MS, GC-MS/MS, FTIR, and laser spectroscopy platforms. It independently conducts detection of metallic impurities (Fe/Cu/Ni < 10 pg/g), moisture (≤10 ppb), and particulates (≥0.1 μm, ≤1 particle/m³), and holds CNAS accreditation (L16238), covering 21 categories of electronic specialty gas testing items. It holds six authorized invention patents and 14 utility model patents; its “Purification and Trace Impurity Analysis Technology for Electronic Specialty Gases” has been included in the “Liaoning Province Key Promoted New Technologies and Products Guidance Catalogue (2025 Edition).”

The company maintains ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 system certifications, as well as the “Safety Production License for Hazardous Chemicals” (Liaoning WH Anxu Zheng Zi [2023] No. 02-0048), valid until June 30, 2026. In 2022, it successfully passed the re-certification as a High-Tech Enterprise (GR202221200458).

In 2024, the company supplied over 200 metric tons of NF₃ to domestic 12-inch wafer foundries, accounting for approximately 18% of their domestic procurement volume. Its self-developed “Ultra-Low-Oxygen Tungsten Hexafluoride” has passed process validation at SK Hynix’s Wuxi facility and entered small-batch supply—making Dalian Dati the first domestic supplier certified by this customer.

Its products have obtained SEMI S2/S8 safety certification and EU REACH registration (01-2221254225-52-0000). In 2025, exports to South Korea, Singapore, and Malaysia reached RMB 32.8 million, representing approximately 23% of its annual revenue.

Dalian Daping Oleochemical Co., Ltd. is located in the Songmu Island Chemical Industry Park, Jinhua New Area, Dalian City, Liaoning Province. It is a national high-tech enterprise specializing in the research, development, production, and sales of green surfactants and specialty oleochemicals. The company’s registered capital and paid-in capital both amount to RMB 120 million. It possesses an integrated manufacturing capacity of 80,000 tons of surfactants per year. Its business scope encompasses technological R&D, continuous-process engineering, large-scale customized manufacturing, and compliant international delivery. Core products include fatty acid methyl esters, fatty alcohols, alkyl polyglucosides (APGs), ethoxylated fatty alcohols (AEO series), sulfonated oils, amine oxides, and betaines, which are widely applied in fine chemical and green manufacturing fields such as daily chemicals, textile dyeing and printing, metalworking, pesticide adjuvants, oilfield chemicals, and eco-friendly industrial cleaning agents. Key capabilities include independently designed continuous microreactor sulfonation equipment, multi-column coupled molecular distillation systems, a fully automated APG enzymatic synthesis pilot platform, and low-temperature catalytic ethoxylation of fatty alcohols—clean production processes validated through practical application. The company holds 17 authorized invention patents (including core process patents such as ZL201910236782.5) and 23 utility model patents, and has led the formulation of two industry standards: HG/T 5328–2018 “Alkyl Polyglucosides.” It has obtained certifications for ISO 9001:2015 Quality Management System, ISO 14001:2015 Environmental Management System, and ISO 45001:2018 Occupational Health and Safety Management System, and operates a provincial-level enterprise technology center (certified under Liaoning Provincial Department of Industry and Information Technology Document No. [2021] 132). Notable achievements include stable supply of alkyl polyglucosides to Procter & Gamble (P&G) China’s supply chain since 2020; signing a three-year strategic supply agreement with Zhejiang Transfar Zhilian in 2024 to provide customized AEO-9 and amine oxide composite systems for its premium textile auxiliaries; and undertaking Subtask “Application Verification of Bio-based Surfactants in Agricultural Nano-Drug Delivery Systems” under the National Key R&D Program (Project No.: 2024YFB4102302-03). Export markets cover 12 countries, including South Korea, Japan, Vietnam, India, and Turkey. Customs export value reached USD 42.87 million in 2025. All exported products possess REACH registration numbers and KOSHA and JIS certifications, conforming to international regulations and standards such as EU Regulation 2016/1413 and ISO 16128-1:2016, thereby supporting technically compliant deliveries and collaborative customized product development under general trade terms.

Dalian Darlike Technology Co., Ltd. (Stock Code: 301566.SZ), headquartered in Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research, development, manufacturing, and sales of high-end radio frequency (RF) and microwave ceramic capacitors. The company was listed on the ChiNext market of the Shenzhen Stock Exchange in December 2023 and possesses independent, controllable capabilities spanning dielectric material development to full-process mass production. Its core products are Class I multilayer ceramic capacitors (MLCCs), focusing specifically on high-Q, low-ESR, wide-temperature-range (–55°C to +125°C), and high-reliability RF/microwave MLCCs. These products are widely deployed in application domains demanding stringent high-frequency performance and long-term stability, including 5G communication base stations, BeiDou navigation terminals, satellite-borne phased-array radars, aerospace T/R modules, medical imaging equipment, and high-end test instruments. Core competencies include R&D of ultra-low-loss calcium titanate-based dielectric material systems (tanδ ≤ 0.0001 @ 1 MHz); full-process mass production of RF MLCCs in the 01005 size (0.4 × 0.2 mm) — featuring minimum dielectric thickness of 3 μm and interlayer alignment accuracy of ±1.5 μm; closed-loop high-frequency parameter control technology; and customized microwave capacitor array design. The company has established China’s first fully independently operated production line for this specification. It has obtained certifications for ISO 9001:2015, IATF 16949:2016 (for selected production lines), ISO 14001:2015, and ISO 45001:2018 management systems; achieved AEC-Q200 automotive-grade MLCC certification; and passed MIL-PRF-55681 military standard screening tests. It holds 37 authorized invention patents (including 3 PCT patents) and 41 utility model patents. Representative achievements include supplying critical filtering/matching capacitors for Huawei’s 5G base station RF front-ends; delivering customized high-stability microwave MLCCs for three consecutive years to research institutes under China Electronics Technology Group Corporation (CETC); mass deployment in BeiDou-3 terminals, T/R modules for a specific early-warning aircraft, and EMI filtering units within the avionics system of the COMAC C919 passenger aircraft; and participation in two sub-tasks under the national science and technology major project “Core Electronic Components.” In 2024, export revenue accounted for 18.7% of total revenue. Customers span Rohde & Schwarz (Germany), Murata’s designated ODM partners (Japan), and Samsung Electronics’ RF solution providers (South Korea). The company has passed EU CE and U.S. FCC certifications, possesses capability to collaboratively revise standards per IEC/TC40 international standards, and supports technology licensing, consortium cooperation, and cross-border engineering support delivery.

Dalian Marine Diesel Engine Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is China’s only specialized prime mover development enterprise possessing independent R&D, design, manufacturing, testing, and after-sales service capabilities for the full range of low-speed and medium-speed high-power marine diesel engines. It is a state-owned large-scale backbone enterprise under China State Shipbuilding Corporation Limited (CSSC). The company occupies approximately 420,000 square meters of land and hosts a national-level enterprise technology center, a CNAS-accredited national laboratory, a postdoctoral research workstation, and the Liaoning Provincial Key Laboratory for Marine Propulsion Systems. It has obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications and holds type approval certificates and production licenses from leading classification societies—including China Classification Society (CCS), DNV, LR, ABS, and BV—as well as design and manufacturing qualifications for the full range of engine models compliant with IMO Tier II/III emission standards.  

Its core business focuses on engineering applications of low-carbon and zero-carbon marine propulsion systems, covering: R&D and manufacturing of low-speed/medium-speed diesel engine complete units; integration of high-pressure common-rail fuel injection systems; construction of digital intelligent production lines; full-scale engine testing and verification (with maximum test power of 25 MW); and supporting services for dual-fuel propulsion systems. Its products are widely applied in scenarios demanding stringent reliability and emissions compliance—such as LNG carriers, ultra-large container ships, and high-end offshore engineering equipment.  

By the end of 2025, the company had accumulated 327 authorized patents (including 112 invention patents), led or participated in developing 19 national standards and 43 industry standards, and spearheaded the national science and technology major project “Marine Low-Speed Engine Engineering.” Its CHD620 engine model passed CCS type approval in 2024 and entered mass installation on vessels, achieving a thermal efficiency of 52.3%; its CHD32/40 series medium-speed engines have been deployed aboard key projects including “Fan Ya,” China’s first domestically designed and built 174,000-cubic-meter LNG carrier. In 2025, marine main engine deliveries increased by 18.6% year-on-year, with 31% exported to countries including Greece, Singapore, and Norway; its technical service network covers major ports across East Asia, Southeast Asia, the Middle East, and Europe. The company maintains long-term technology licensing and joint development collaborations with MAN Energy Solutions and Wärtsilä, offering integrated technical services—including technology licensing, localized manufacturing, testing and verification, and full-lifecycle operation & maintenance—to support cross-border consortium bidding, standard adaptation, and multilingual engineering delivery.

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.