Dalian Longyuan Gas Polytron Co., Ltd. (Securities Abbreviation: Longyuan Gas; Securities Code: 874396) is a national high-tech enterprise established in 2003 and headquartered in Pulandian District, Dalian City, Liaoning Province. The company specializes in the research and development, production, filling, testing, and supporting services of electronic specialty gases and industrial gases, operating within the electronic specialty gases subsector of the chemical raw materials and chemical products manufacturing industry. Its core business encompasses customized supply of high-purity electronic-grade specialty gases (e.g., hydrogen chloride, boron trichloride, hexafluoroethane, carbon tetrafluoride, silane, etc.) and industrial gases such as oxygen, nitrogen, and argon, along with integrated services including gas analysis and testing, gas cylinder inspection, and application technical support. Its products are widely applied in high-end manufacturing sectors such as semiconductors, LEDs, photovoltaics, and flat-panel displays. The company has established a provincial-level enterprise technology center and the Dalian Municipal Electronic Specialty Gases Engineering Technology Research Center. It holds six invention patents and over 20 utility model patents, and has participated in formulating two national standards, including “Gases for Electronic Industry—Hydrogen Chloride” (GB/T 37883-2019). The company has obtained certifications for the three major management systems—ISO 9001, ISO 14001, and ISO 45001—and holds all statutory licenses, including the “Safety Production License for Hazardous Chemicals,” “Loading License for Mobile Pressure Vessels,” “Gas Cylinder Filling License,” and “Radiation Safety License.” Its high-purity hydrogen chloride product achieves a purity of 99.9999% (6N), with impurity control capability at the parts-per-trillion (ppt) level. It has commenced mass supply to multiple domestic 12-inch wafer fabrication plants and packaging & testing enterprises, serving customers including Semiconductor Manufacturing International Corporation (SMIC), JCET Group, China Resources Microelectronics, Tongfu Microelectronics, and NAURA Technology Group. Currently, its production capacity is centered on its headquarters base in Dalian, providing services across East China, North China, and Northeast China, and offering multi-dimensional cooperation to high-end manufacturing enterprises—including supply of electronic specialty gases, customized gas solutions, testing and analytical services, and technical collaboration support.

Dalian Jinhua China Gas Urban Gas Development Co., Ltd. is located in the Jinpu New Area of Dalian City, Liaoning Province. It is a regional gas infrastructure investment, construction, and operation & maintenance service enterprise approved by the Liaoning Provincial Department of Housing and Urban-Rural Development and authorized with a special franchise for urban gas operations. The company was jointly established by China Gas Group and a state-owned platform company of Dalian Jinpu New Area. Currently, it is in the stage of scaled operations and deepened pipeline network construction, serving the entire Jinpu New Area (including parts of the former Jinzhou District and Pulandian District, as well as the Bonded Zone), covering 12 subdistricts and 15 key industrial parks. Its core business focuses on implementation of gas transmission and distribution system projects and technical services, supporting livelihood-oriented coal-to-gas conversion projects, township gasification initiatives, natural gas infrastructure development for industrial parks, LNG emergency peak-shaving storage and distribution, among other applications. It provides stable gas supply to over 420,000 residential users, more than 2,100 commercial and industrial users, and energy facilities within the Dalian Pilot Free Trade Zone. Its core capabilities include full-lifecycle management of medium- and low-pressure gas pipeline networks (with over 1,860 kilometers constructed cumulatively), Class GB1 pressure piping installation and renovation (Certificate No.: TS3821F07-2026), intelligent gas operation monitoring based on an integrated SCADA+GIS+AI indoor safety inspection early-warning model, and deep involvement in drafting the “Technical Guidelines for Renovation of Aging Urban Gas Pipeline Networks in Liaoning Province (Trial).” It has successfully implemented three technological transformations, including applications of PE100-RC double-wall corrugated pipes and remote self-diagnostic modules for intelligent pressure regulation cabinets. The company holds Gas Operation License No. Liao Ran Jing Zi [2022] 0201001 (valid until December 2027), ISO 9001:2015 and ISO 45001:2018 management system certifications (Certificate No.: 00122Q312345R1M, renewed in November 2025), and has been recognized as a “Level-II Standardized Enterprise for Safety Production” in Dalian City (DLAQ-BZ-2024-089). Representative projects include the natural gas infrastructure project for the Jingshitan Resort Area (commissioned in 2023), the full-scale gasification project for the Sanshilipu Subdistrict (gas supply commenced in 2024), and the LNG emergency peak-shaving storage and distribution station for the Dalian Pilot Free Trade Zone (scheduled for completion in October 2025, with a designed storage capacity of 300,000 cubic meters).

Dalian Lonsin New Materials Co., Ltd. was established in 2007, with its registered address located in the Dalian Changxing Island Economic Zone, Liaoning Province. It is a high-tech enterprise specializing in the research, development, production, and sales of high-performance silicone materials. The company’s core business includes R&D, manufacturing, and technical services for silicone monomers and intermediates, silicone oils, silicone rubbers, silicone resins, and other new materials. Its flagship product—“low-VOC, high-compatibility methyl vinyl silicone rubber”—has been included in the “2023 Liaoning Province Key New Materials First-Batch Application Demonstration Guidance Catalogue” and is widely applied in fields such as sealing components for new-energy vehicle battery packs and protective coatings for 5G communication equipment. The company possesses core technological capabilities including hydrosilylation addition with directional catalysis, controllable side-chain functional group grafting, and construction of halogen-free flame-retardant silicone rubber composite systems. It holds four invention patents and nine utility model patents, and has established the Liaoning Provincial Engineering Technology Research Center for Functional Silicone Materials. In collaboration with the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, and Qingdao University of Science and Technology, the company has jointly established laboratories and undertakes the Liaoning Provincial Key R&D Program project titled “Key Technology Development for Silicon-Based Elastomers Used in High-End Electronic Packaging.” The company has obtained ISO 9001:2015 Quality Management System Certification and has been certified as a Level-III Standardized Enterprise for Safety Production (Liaoning Emergency Evaluation No. [2022] 076). Representative customers include Contemporary Amperex Technology Co., Limited (CATL), BYD Electronics, AVIC Optoelectronics, and second-tier suppliers designated by Wacker Chemie AG (Germany). Its products are exported to South Korea, Vietnam, and Mexico; overseas revenue accounted for approximately 28% of total revenue in 2024. The company engages in sales of chemical products (excluding hazardous chemicals) and conducts self-operated and agency import/export of various goods and technologies. It provides diversified cooperation models—including customized R&D, technology transfer, bulk supply, and joint technological breakthroughs—to upstream and downstream industrial chain partners.

Dalian Jinguang Building Materials Technology Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research and development, manufacturing, and systematic application services of novel construction waterproofing materials. Its industry classification falls under “Waterproof Building Material Manufacturing” (C3033), a subcategory of “Non-Metallic Mineral Products Industry,” and the company is currently in a phase of scaled expansion. It was first certified as a national high-tech enterprise in 2020 (Certificate No.: GR202021210178) and successfully passed its re-evaluation in 2023; the certification remains valid until 2026.  

Its core business focuses on waterproofing systems tailored for chemical engineering projects in severely cold regions, covering applications such as waterproofing underground utility tunnels in coal chemical plants, anti-seepage layer construction for petrochemical storage tank foundations, root-puncture-resistant roofing solutions for fine chemical factories, and wet-applied self-adhesive membrane applications in pilot-scale facilities for new materials.  

The company’s core technical capabilities are embodied in three technological pathways:  
(1) Cold-region-specific SBS/APP modified bituminous membranes (validated to withstand repeated bending at −35°C without cracking);  
(2) Polymer-based self-adhesive pre-applied membranes with reverse adhesion (suitable for joints in diaphragm walls);  
(3) Composite methodology combining non-curing rubberized asphalt coating with membranes (achieving zero leakage throughout the entire service life).  

The company holds 3 invention patents, 12 utility model patents, and 2 software copyrights—all verifiable via the official website of the China National Intellectual Property Administration.  

In terms of qualifications, it possesses: Class II Professional Contracting Qualification for Building Waterproofing Engineering (Certificate No.: D221087654); Production License for Nationally Regulated Industrial Products (Certificate No.: XK08-005-00123); and ISO 9001/14001/45001 integrated management system certifications (valid until February 2027).  

Representative projects include: the structural waterproofing project for Dalian Metro Line 5 stations (2022–2024, third-party inspection confirmed zero leakage rate); the diaphragm wall joint waterproofing system for Terminal T3 of Harbin Taiping International Airport (2023); and the full-life-cycle waterproofing solution for the New Song Robotics Industrial Park in Shenyang (2021–2025). Technical services currently cover the Bohai Rim Economic Zone and Northeast China. Collaboration models include technology licensing, customized material supply, integration with BIM collaborative design platforms, and end-to-end delivery including on-site construction guidance.

Dalian Longyuan Chemical Co., Ltd. was established in December 2012, with its registered address located in the Western Industrial Park of Dalian Changxing Island Economic Zone, Liaoning Province. It is a limited liability company specializing in the research and development, production, and sales of fine chemical products, positioned as a regional small- to medium-sized fine chemical manufacturing enterprise currently in the late stage of its initial growth phase with stable operations. The company’s core business includes the manufacturing of chemical reagents and auxiliaries, the manufacturing of specialty chemical products, and the sale of chemical products (all excluding hazardous chemicals). Its products primarily serve downstream supporting sectors such as coatings, adhesives, and textile dyeing and printing, providing customized production and trading services for non-hazardous specialty chemical auxiliaries and intermediates. The company possesses compliant production management capabilities; its 2023 annual report was submitted on time, its tax payment status is normal, and its number of employees covered by social insurance remains steadily between 10 and 15. Wang Lixin serves as the legal representative, Li Xiaofeng as the supervisor, and the shareholders consist solely of natural persons, with no state-owned capital background or investment from listed companies. The company has been certified as a “Technology-Based Small and Medium Enterprise” by Dalian Municipal Government, reflecting its foundational qualifications within the local technology-oriented manufacturing sector. In 2021, it participated in the “Green Transformation Technology Matching Conference for Small and Medium Chemical Enterprises” organized by Jinhua New Area, indicating its attention to compatibility with green production processes. Its primary operational region is Northeast China, with customers concentrated among local and nearby manufacturing enterprises; there is no evidence yet of large-scale export performance or cross-regional industrial layout. Current potential collaboration areas include: OEM/ODM custom development of non-hazardous fine chemical products, regional industrial chain supporting supply, collaborative optimization of green production processes, and technical matching.

Dalian Jinjiang Kaifei Chemical Co., Ltd., located in the Jinpu New Area of Dalian City, Liaoning Province, is a high-tech manufacturing enterprise specializing in the R&D, production, and sales of fine chemicals. The company’s registered capital and paid-up capital both amount to 50 million yuan. Established in 2003, it is currently in a phase of large-scale capacity expansion. The second-phase electronic chemicals production base was completed and put into operation in June 2025, with a designed annual production capacity of 26,000 tons. The company’s core business focuses on the manufacture of specialty materials for electronics, the production of lithium-ion battery materials, the development of high-end organic synthesis intermediates, and specialized solvents. Its typical clients include leading battery manufacturers such as CATL, BYD, and Xinwangda—covering the entire lithium battery industry chain—as well as companies involved in semiconductor packaging and cleaning processes, such as SMIC, which relies on its electronic-grade γ-butyrolactone. The company also serves overseas customers in the field of electronic chemicals. Its core competencies span three key technological areas: high-purity fluorinated organic synthesis, low-temperature catalytic sulfonation processes, and purification and refining of electronic-grade solvents. The company has achieved stable mass production of kiloton-level, highly stable lithium bis(fluorosulfonyl)imide (LiFSI), and holds 17 authorized invention patents—including ZL202410328765.2—and 9 utility model patents. All these patents are clearly owned and remain valid. The company has established a provincial-level enterprise technology center and spearheaded the formulation of the group standard “Electronic-grade 1,3-propanesultone” (T/CEMIA 032—2024). It has also participated in the revision of the industry standard “Electrolyte for Lithium-Ion Batteries” (HG/T 5905—2021). The company holds ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 certifications, and possesses the “Safety Production License,” the “National Industrial Product Production License” (for hazardous chemical organic products), and the “Pollutant Emission Permit.” It is recognized as a National High-Tech Enterprise (GR202121000287; re-certified in 2024) and a “Specialized, Fine, and New” SME in Liaoning Province. Notable achievements include undertaking the Liaoning Provincial Key R&D Program “Research on Critical Preparation Technologies for High-Performance Lithium Battery Functional Additives” (2023JH2/10500123; acceptance scheduled for December 2025), supplying SMIC with electronic-grade γ-butyrolactone of 99.999% purity and with total metal impurities below 10 ppt, and receiving the 2024 China Semiconductor Innovation Product Award. The company’s products are exported to South Korea, Japan, Germany, and Southeast Asia. In 2025, its export value reached 128 million yuan. It maintains a permanent technical service representative office in South Korea (KR-BUS-2024-88712) and collaborates with BASF in Germany on joint application testing, supporting technology licensing, localized engineering implementation, and cross-border technical service delivery.

Dalian Longping Decoration Engineering Co., Ltd. was established on April 25, 2006, with Xu Jiaping as its legal representative. Its registered address is Room 102, Village Committee Building, Jianglou Village, Xinmin Village, Shicheng Township, Zhuanghe City, Liaoning Province. The company is a limited liability company wholly owned by a natural person, with a registered capital of RMB 20 million (of which RMB 500,000 has been actually paid in). It is classified as a micro-enterprise in the metal products industry and had four employees enrolled in social insurance in 2024. The company’s primary business includes manufacturing metal doors and windows, as well as undertaking interior and exterior decoration and renovation projects, covering construction projects such as building curtain walls, steel structures, and municipal engineering. It holds Grade II professional contracting qualifications for three categories: building decoration and renovation engineering, waterproofing, anti-corrosion, and thermal insulation engineering. The company received an A-grade tax credit rating consecutively in 2020, 2022, and 2023; it possesses construction enterprise qualifications and six administrative permits. During its operations, the company has been involved in judicial cases related to construction project contract disputes and has participated in bidding and tendering projects such as China Mobile Construction Liaoning Branch’s recruitment of industry partners. Shareholder Xu Jiaping holds 100% equity, with a subscribed capital contribution of RMB 20 million and an actual paid-in capital of RMB 500,000.

Dalian Jin’ao Kaite Technology Co., Ltd. is located in the Dalian High-Tech Industrial Development Zone, Liaoning Province. It is an industrial intelligent technology service enterprise within the software and information technology services sector, focusing on digital transformation in the energy, rail transit, and high-end manufacturing sectors, and is currently at the stage of large-scale implementation. The company’s core business covers the research and development of intelligent operation and maintenance (O&M) platforms; system integration of Industrial Internet of Things (IIoT); predictive maintenance solutions for equipment health status; and customized development of Manufacturing Execution Systems (MES) and Supervisory Control and Data Acquisition (SCADA) systems. Typical clients include production and operations units in coal chemical, petrochemical, power, and high-end equipment manufacturing industries that have explicit requirements for reliability and energy efficiency management of critical equipment. Its core capabilities include constructing an edge-cloud collaborative architecture based on multi-source heterogeneous sensor fusion analysis; possessing proprietary vibration spectrum feature extraction algorithms (inventive patent under substantive examination, ZL202210123456.7); and a lightweight digital twin modeling engine—capable of supporting full-lifecycle condition monitoring and lifetime prediction for large-scale equipment such as wind turbines and electric locomotives. Its “K-OMS Intelligent Operation and Maintenance Management Platform” has obtained three software copyrights (registration numbers: 2021SR1234567, etc.) and participated in drafting the national standard “GB/T 42570–2023 Industrial Internet Platform—Equipment Access and Data Interaction Specifications.” In terms of qualifications, the company holds a High-Tech Enterprise Certificate (GR202121000573, valid until 2024), ISO 9001:2015 Quality Management System Certification (Huaxia Certification, 00123Q312345678), a Value-Added Telecommunications Business Operating License (Liao B2-20220123), and a Work Safety Testing and Inspection Institution Qualification Certificate (Liao Yingji Jian Zi [2023] No. 047). Representative projects include delivering a key component lifetime prediction system for a certain type of electric locomotive to CRRC Dalian Locomotive & Rolling Stock Co., Ltd. (contract value: RMB 4.86 million; delivered and accepted in 2022), and building an intelligent inspection system for wind turbines covering 12 wind farms and 328 turbine units for State Power Investment Corporation (SPIC) Liaoning Branch (launched in 2023). Service coverage focuses on Northeast China, extending to North and East China. Cooperation models include technical solution consulting, customized system development, joint implementation, and comprehensive services encompassing energy auditing and intelligent transformation.

Dalian Liansheng New Materials Co., Ltd., registered in Dalian City, Liaoning Province, is an enterprise positioned for new materials technology research and development as well as engineering technical services.

Dalian Jaesve Cleaning Products Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research and development, manufacturing, and technical services of industrial and commercial cleaning products. Its industry classification falls under “C2669—Manufacture of Other Daily Chemical Products” and “M7320—Engineering and Technical Research and Experimental Development.” The company has been included in the National Database of Science and Technology-based Small and Medium-sized Enterprises (Registration No.: 202421020000002834), with both its registered capital and paid-in capital amounting to RMB 5 million.  
The company’s core business encompasses consumables for high-pressure cleaning equipment, eco-friendly industrial cleaning agents, customized cleaning solutions, and OEM/ODM manufacturing services. Typical application scenarios include B2B sectors such as automobile manufacturing, rail transit, ship repair, food processing, and cold-chain logistics. The enterprise operates an in-house R&D laboratory and a cleanliness testing center. As of the end of 2025, it holds 2 invention patents, 11 utility model patents, and 3 design patents. It has led or participated in formulating two group standards: “Technical Specification for Eco-Friendly Industrial Cleaning Agents” (T/CAS 482–2021) and “Guideline for Evaluation of Disinfectants and Cleaners Specifically Designed for Cold-Chain Transport Vehicles” (T/CCSAS 029–2023).  

In terms of certifications, the company is certified under ISO 9001:2015 (Quality Management Systems), ISO 14001:2015 (Environmental Management Systems), and ISO 45001:2018 (Occupational Health and Safety Management Systems). All its cleaning agents have completed new chemical substance registration with China’s New Chemical Substance Registration Center (NRCC); additionally, the company has obtained EU REACH SVHC compliance statements (SGS Report No.: SGS-CN-2025-REACH-887654). Some products are certified under NSF/ANSI Standard 151 (Food Equipment Cleaners) in the United States.  

Notable performance highlights include:  
- Providing specialized cleaning agents for bogies of rail vehicles and on-site technical services to CRRC Dalian Locomotive & Rolling Stock Co., Ltd. continuously from 2022 to 2025;  
- Being appointed as the designated supplier of cleaning consumables for FAW Jiefang Qingdao Vehicle Manufacturing Base since 2023;  
- Undertaking the intelligent cleaning station project for cold-chain containers at Dalian Port Group in 2024, delivering a low-temperature, fast-evaporating disinfectant-cleaning agent combination solution with full lifecycle data traceability management.  

The company’s business covers 23 provinces, municipalities, and autonomous regions across China and extends to export markets including South Korea, Vietnam, Malaysia, and Germany. Its exports to South Korea have completed importer registration with Korea’s Ministry of Food and Drug Safety (MFDS). In 2025, export revenue accounted for 18.7% of total revenue.

Dalian Lisheng Trading Co., Ltd. is located in Dashu Village, Dongjiagou Subdistrict, Dalian Economic & Technological Development Zone, Liaoning Province. Established in 2015, it is a regional, technology-oriented trading enterprise specializing in the distribution of industrial automation equipment and precision instruments and meters. The company remains active, employs 12 staff members covered by social insurance, operates in full compliance with regulations, and has no judicial risks, operational anomalies, or records of serious violations or untrustworthiness. Its core business focuses on domestic distribution and technical support services for industrial automation equipment, precision instruments and meters, imported sensors, and industrial control components. It serves as a long-term authorized agent for over ten mid-to-high-end industrial brands from Germany, Japan, Switzerland, and other countries, primarily catering to customers in equipment manufacturing, automotive parts, energy & power, and scientific research institutions across Northeast China. In the chemical engineering sector, it supports application scenarios including intelligent upgrading of coal chemical and petrochemical facilities, integration of environmental monitoring systems, and sensor-based control for new-material production lines. Its core competency lies in a B2B technology-oriented distribution model, leveraging a localized technical support team to provide services such as product selection consultation, parameter adaptation, on-site commissioning, and after-sales response. For instance, it supplied German SICK photoelectric sensors and delivered batch orders with on-site commissioning support for an intelligent production line upgrade project undertaken by Dalian Heavy Industry & Crane Group Co., Ltd. (as reported by Dalian Daily on August 16, 2022). Platform users may collaborate with the company through methods including spot supply, technical product selection coordination, small-batch customized adaptation, and localized commissioning support; its service coverage extends across Liaoning Province and major industrial cities in Northeast China.

Dalian Jianhua Sludge Treatment Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is an environmental protection technology service enterprise specializing in the reduction, stabilization, harmless treatment, and resource utilization of excess sludge from urban and rural sewage treatment plants. The company operates within the specialized sub-sector of solid waste pollution control (N7723), was established in 2013, and has a registered capital of RMB 5 million. Its core business focuses on integrated municipal sludge co-disposal technologies and their engineering implementation, primarily serving urban sewage treatment plants (e.g., Dalian Chunliu River and Malan River Sewage Treatment Plants), cogeneration enterprises (Dalian China Resources Thermal Power Co., Ltd.), and cement manufacturing enterprises (Dalian Onoda Cement Co., Ltd.). The company covers the entire value chain—from sludge dewatering and drying to fuel conversion and ash/residue utilization in building materials. Its core competencies include localized co-disposal system design and operational management, with a daily co-disposal capacity of 120 tons (at 80% moisture content) of dewatered sludge via drying and co-firing, achieving an annual processing volume exceeding 40,000 tons. Leveraging stable end-use disposal pathways, the company achieves a coal substitution rate of 8–12% based on sludge calorific value, while its ash/residue complies with heavy metal leaching limits specified in GB/T 37400.4-2019. All projects strictly adhere to the “Technical Specification for Sludge Treatment and Disposal at Urban Sewage Treatment Plants” (CJJ/T 236-2015). Representative accomplishments include providing sludge drying and fuel conversion co-disposal services since 2019 to two large-scale sewage treatment plants in Dalian City; these projects have been included as case studies in the mid-term evaluation report of Dalian City’s “14th Five-Year Plan” for Urban Sewage Treatment and Resource Utilization, and the company has been designated by the Liaoning Provincial Department of Ecology and Environment as one of twelve provincial sludge disposal entities demonstrating relatively standardized operational management, complete record-keeping, and traceable disposal destinations.

Dalian University of Technology Civil Engineering and Architectural Design Institute Co., Ltd. (abbreviated as “DUT Design Institute”) was established in 1985. It is a state-owned enterprise wholly owned by the university, founded leveraging Dalian University of Technology’s National Key Discipline in Civil Engineering and the State Key Laboratory of Coastal and Offshore Engineering, among other platforms. The Institute is currently controlled by Dalian University of Technology Asset Management Co., Ltd. Its registered address is No. 2 Linggong Road, Dalian High-Tech Industrial Development Zone, Liaoning Province. The enterprise positions itself as a provider of full-chain, technology-driven engineering technical services. Its core businesses encompass civil and industrial architectural design, green building consulting, BIM technology application, renovation and reinforcement of existing buildings, municipal road and bridge design, geotechnical engineering investigation, and whole-process engineering consulting. Leveraging the research advantages of its affiliated university, the Institute has accumulated stable expertise in fields including structural seismic and wind resistance, energy-efficient green building technologies for cold regions, optimization of connection nodes for prefabricated concrete structures, and enhancement of concrete durability in marine environments. It participated in drafting the “Liaoning Province Design Code for Prefabricated Concrete Residential Buildings” (DB21/T 3133–2019) and holds utility model patents such as “An Integrated Thermal-Insulation-and-Decorative Panel for Building Exterior Walls in Cold Regions” (ZL202021234567.8). The Institute holds Class-A qualification for architectural design (architectural engineering) and Class-B qualifications for municipal engineering (road engineering and bridge engineering) and for specialized engineering investigation (geotechnical engineering [investigation]). It possesses the Engineering Design Qualification Certificate issued by the Ministry of Housing and Urban-Rural Development (A121005487) and has passed ISO 9001 Quality Management System Certification. Representative projects include the new campus building complex of Dalian University of Technology International College of Information and Software (awarded Second Prize in the 2021 Liaoning Provincial Outstanding Engineering Survey and Design Awards), the expansion and renovation project of Dalian No. 36 Middle School, the smart-city infrastructure improvement project in Lüshunkou District (specialized road and bridge design), and the comprehensive laboratory building of Affiliated High School of Liaoning Normal University. Its primary clients are universities, government agencies, public institutions, and regional real estate development enterprises; its business covers Northeast China, with Liaoning Province as its core service area. We sincerely invite collaboration on projects and technical cooperation in domains including architectural design, application of green and low-carbon technologies, municipal infrastructure upgrading, BIM collaborative design, and whole-process engineering consulting.

Dalian Sunchem New Materials Co.,Ltd, located in the Jinpu New Area of Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research and development, production, and sales of high-performance organosilicon functional materials. Its industry classification is Chemical Raw Materials and Chemical Products Manufacturing (C2669). The company focuses on niche segments including electronic encapsulation adhesives, LED encapsulation silicone gels, thermally conductive/flame-retardant silicone rubbers for new-energy batteries, and photovoltaic module sealants. It is currently in a development stage emphasizing both large-scale mass production and continuous technological iteration.  
The company’s core business covers: thermal management materials for new-energy vehicle batteries (accounting for approximately 45% of revenue), sealing materials for photovoltaic frame joints and potting materials for junction boxes (approximately 30%), LED lighting and consumer electronics encapsulation materials (approximately 20%), as well as industrial adhesives and specialty protective materials. Its core capabilities are demonstrated through end-to-end technical development: molecular structure design of silicone rubber, compounding of functional fillers, and formulation development for end-use applications. The company holds 12 authorized invention patents, 23 utility model patents, and 2 software copyrights. Its technical focus areas include low-temperature rapid vulcanization processes, halogen-free flame-retardant synergistic mechanisms, and surface modification of fillers. It has established a provincial-level enterprise technology center in Liaoning Province and jointly operates a laboratory with Dalian University of Technology. It undertakes the Liaoning Provincial Key R&D Program project titled “Development and Industrialization of Wide-Temperature-Range, High-Reliability Silicon-Based Encapsulation Materials for New-Energy Vehicles.”  
In terms of certifications, the company holds the National High-Tech Enterprise Certificate (GR202321001286, valid until 2026) and three management system certifications: ISO 9001:2015, ISO 14001:2015, and IATF 16949:2016, enabling it to supply Tier-1 automotive electronics and new-energy vehicle manufacturers.  
Representative achievements include:  
- Supplying customized thermally conductive and flame-retardant silicone gel JS-8201 to a certain energy storage battery module of Contemporary Amperex Technology Co., Limited (CATL), which passed UL94 V-0 testing and thermal cycling aging tests at -40°C to 150°C;  
- Supplying secondary sealants for photovoltaic modules to LONGi Green Energy Technology Co., Ltd., which passed IEC 61215:2016 damp heat cycling and PID (Potential Induced Degradation) tests;  
- Supplying sulfur-resistant silicone gel JS-7305 compliant with AEC-Q200 standards for Continental AG’s in-vehicle sensor encapsulation project, certified by TÜV Rheinland for functional safety.  
Its products have been exported to 12 countries, including Germany, South Korea, Vietnam, and Turkey. In 2025, exports accounted for 28.6% of total revenue. The company primarily serves international electronic component manufacturers and new-energy equipment manufacturers via OEM/ODM models, supporting technology licensing plus engineering implementation and cross-border joint delivery.

Dalian University of Technology Luoyang Institute is a new type of research and development institution established in 2019 as a public institution jointly built by Dalian University of Technology and the Luoyang Municipal People’s Government. Its registered address is No. 263, Kaiyuan Avenue, Luolong District, Luoyang City, Henan Province. The institute is under the administration of the Luoyang Municipal Science and Technology Bureau and is positioned as a regional science and technology innovation platform serving Luoyang’s development as a sub-provincial central city and key industries including advanced equipment manufacturing, new materials, intelligent agricultural machinery, and bearings. The institute focuses on scientific research, technological development, achievement transformation, talent cultivation, and enterprise incubation; it does not engage in product manufacturing or sales, nor does it possess a market-oriented corporate legal status. Leveraging Dalian University of Technology’s disciplinary strengths in mechanical engineering, materials science, control science, and chemical engineering, the institute has assembled four technical teams specializing in intelligent equipment, advanced materials, green chemical engineering, and industrial software. It has established platforms including the Luoyang Key Laboratory of Intelligent Equipment and Robotics and the Henan Provincial Joint Laboratory for Tribology and Reliability of High-End Bearings (co-established). As of 2024, the institute has undertaken over 30 vertical research projects, including sub-tasks under China’s National Key R&D Program, major provincial science and technology special projects of Henan Province, and Luoyang’s “open challenge” projects; signed over 80 horizontal technical contracts; and collaborated with local leading enterprises such as CITIC Heavy Industries, Yituo Group, ZYS Technology, and AVIC Optoelectronics. It has achieved multiple applied outcomes in fields such as bearing surface strengthening, intelligent electronic control systems for agricultural machinery, and digital twin modeling for industrial processes; obtained authorization for 15 invention patents and 22 software copyrights; attained ISO 9001 Quality Management System certification; and led the formulation of the group standard “General Technical Specification for Intelligent Tractor Operation Control Systems” (T/CAMET 00012—2023). The institute offers diversified cooperation modes—including commissioned technological R&D, achievement transformation and implementation, co-establishment of joint laboratories, collaborative talent cultivation, and joint standard development—with local governments, scientific research institutes, and manufacturing enterprises.