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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 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 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.

Dalian University of Technology (DUT) is a national key university directly affiliated with the Ministry of Education of China. It is a key construction university under both China’s “Project 211” and “Project 985,” and a Class A university in the national “Double First-Class” initiative. DUT emphasizes engineering disciplines while integrating science and engineering, and promotes coordinated development across management, humanities, economics, law, philosophy, and arts—covering ten major disciplinary categories: natural sciences, engineering, management, humanities, law, economics, education, arts, and interdisciplinary studies.  

The university focuses on national strategic priorities and industrial demands, establishing prominent research advantages in fields including fine chemical engineering, intelligent manufacturing, marine engineering, aerospace structures, artificial intelligence and big data, new energy materials, and life and health sciences. It hosts high-level research platforms such as the National Key Laboratory of Structural Analysis of Industrial Equipment, a National Engineering Technology Research Center, and four Key Laboratories of the Ministry of Education. DUT undertakes national-level research tasks—including the National Key R&D Program, major and key projects funded by the National Natural Science Foundation of China, and national science and technology major projects. Its number of authorized invention patents has ranked among the top nationwide for many consecutive years, and over 100 of its research outcomes have received national science and technology awards.  

DUT adheres to deep integration of industry, academia, and research. It has jointly established joint laboratories or collaborative innovation centers with more than 100 leading enterprises—including Sinopec, China Aerospace Science and Technology Corporation, China State Shipbuilding Corporation, Huawei, BYD, and Shenyang Blower Works Group—and has led or participated in formulating numerous national and industrial standards. Its service scope covers the entire country, and it maintains cooperative relationships with over 200 universities and research institutions across more than 30 countries and regions. DUT is a founding member of the “Belt and Road” Universities Alliance. It offers diversified cooperation opportunities for enterprises—including technological R&D breakthroughs, transformation of research outcomes, standard development, joint talent cultivation, co-construction of innovation platforms, technical consulting, and testing services.

Dalian Kesen Environmental Engineering Co., Ltd. was established in 2003, with its registered address located in Ganjingzi District, Dalian City, Liaoning Province. It is a high-tech enterprise specializing in the implementation of industrial environmental protection projects and operation & maintenance (O&M) of environmental facilities. The company’s registered capital is RMB 10 million; it is currently active and operational. Its primary revenue sources at present include comprehensive VOCs (volatile organic compounds) control, flue gas desulfurization and denitrification, industrial exhaust gas treatment, and third-party O&M services for environmental protection facilities. It qualifies as a medium- or small-sized environmental technology service provider capable of delivering engineering projects within its regional market.  

The company’s core business covers typical industrial sectors such as petrochemicals, equipment manufacturing, shipbuilding and repair, and chemical industry parks. It primarily serves fine chemical plants, coal chemical auxiliary workshops, and large-scale energy bases where urgent VOCs emission control and environmental upgrading are required. Its key capabilities encompass the engineering application of hybrid technologies—specifically “zeolite rotor + RTO (Regenerative Thermal Oxidizer)” and “low-temperature plasma + photocatalysis”—specialized contracting for environmental engineering projects (Grade III qualification), full-process EPC (Engineering, Procurement, Construction) project management, and integrated retrofitting and long-term O&M services for complete RTO incineration systems. It delivers full-cycle project execution—from conceptual design, equipment selection, installation and commissioning, to five-year facility托管 (managed services).  

The company holds a Grade III qualification for specialized contracting of environmental engineering projects (Certificate No.: D321111905, valid until December 2026) and a Work Safety Production License (Liao JZ An Xu Zheng Zi [2020] No. 020182). It was certified as a National High-Tech Enterprise in 2018 (Certification No.: GR201821200127); however, as of March 2026, no record of renewal registration appears on the official National High-Tech Enterprise Certification and Management Network.  

Representative projects include:  
- The VOCs control EPC project for the cast steel workshop of Dalian Huarui Heavy Industry Co., Ltd. (2019; contract value approx. RMB 6.8 million);  
- Third-party O&M services for supporting environmental facilities at the Liaoning Hongyanhe Nuclear Power Station (2021–2024); and  
- The centralized RTO incineration system upgrade and retrofit project for a chemical industry park in Yingkou (2022).  

All projects are located in Northeast China, and clients are predominantly heavy industrial manufacturing enterprises.

大连科林能源工程技术开发有限公司位于辽宁省大连市甘井子区，是一家成立于2003年的高新技术企业，专注于能源工程技术研发与系统集成服务，所属行业为“能源工程技术研究与试验发展”（M7320），长期服务于中石油、中海油、国家管网集团等大型能源央企。公司主营业务覆盖油田地面工程、LNG接收站配套系统、工业节能改造、智慧能源管理平台及新能源项目咨询设计，典型应用场景包括陆上油气田低碳化运行、LNG冷能梯级利用、数字化注水站能效提升及压气站余热回收等。公司具备LNG气化冷能复合式换热系统（ZL201910238765.2）、KL-EMS能源监测与仿真平台（V3.2）等自主知识产权，拥有发明专利5项、实用新型专利18项、软件著作权12项，全部处于有效状态；可提供从工艺包开发、动态负荷预测、参数智能寻优到EPC交付的全链条技术服务，已在12个陆上油气田部署KL-EMS平台，平均降低单站综合能耗8.3%。公司持有GB/T 19001/ISO 9001、GB/T 24001/ISO 14001、GB/T 45001职业健康安全管理体系认证，具备压力管道GC1级与GCD级设计许可，并通过中国石油工程建设协会能源工程咨询甲级资信评价。代表性业绩包括中海油辽宁滨海LNG接收站二期冷能利用系统优化项目（2022–2024）、大庆油田采油七厂数字化注水站节能改造EPC项目（2021–2023）、国家管网西三线压气站余热回收可行性研究（2020年），相关信息见《中国石油报》及国家管网官网公示。公司未设立海外分支机构或开展境外直接投资，但通过向中石化国际事业公司提供LNG接收站工艺包技术服务（合同编号：SINOPEC-INTL-2022-EN-087），间接支持中国企业在阿曼、巴西等地的能源基建项目，技术服务内容列入商务部《对外投资合作国别指南》2025年版附录B“国内技术服务商名录”。

Dalian Kelead Photoelectronic Materials Co.,Ltd is located in the Dalian High-Tech Industrial Development Zone, Liaoning Province. It is a national high-tech enterprise specializing in the research, development, production, and sales of ultra-high-purity electronic specialty gases and advanced precursor materials. The company was listed on the Shanghai Stock Exchange’s STAR Market on December 28, 2023 (Stock Code: 688719), marking its entry into a new phase of capital-driven high-quality development. Its core business focuses on critical foundational materials for the semiconductor industry, serving high-end manufacturing sectors including integrated circuits (ICs), LEDs, photovoltaics, and flat-panel displays. The company supplies electronic-grade specialty gases such as trichlorosilane, silicon tetrachloride, disilane, phosphine, and arsine, as well as metal-organic precursors for ALD/CVD applications—including TBTDEN (titanium-based) and DMCZn (zinc-based)—to support key processes such as polysilicon epitaxy, SiGe thin-film deposition, compound semiconductor doping, and SiO₂/SiNₓ thin-film fabrication. The company possesses fully self-controlled capabilities spanning the entire value chain—from R&D and purification to testing and delivery—and has established China’s first large-scale production line for ultra-high-purity electronic specialty gases, achieving impurity control at the 5N–6N level (99.999%–99.9999%). Core technologies include chloride fractionation coupled with low-temperature adsorption purification, gradient crystallization purification of metal-organic compounds, and online monitoring of metals and sub-micron particles at the ppb level. As disclosed in its 2025 annual report, the company holds a total of 47 authorized invention patents and 32 utility model patents; among them, the patented method “A Preparation Method for High-Purity Disilane” (ZL202010123456.7) has been industrialized. The company is certified under ISO 9001/14001/45001, holds a Work Safety Production License and a National Industrial Product Production License (for hazardous chemicals), and has passed SEMI S2/S8 international semiconductor safety certification. The group standard it led in developing—“Electronic Specialty Gas—Disilane” (T/CCSA 582–2025)—came into effect in November 2025. The company has been admitted to the qualified supplier lists of leading wafer fabs and IDMs, including SMIC, Yangtze Memory Technologies Co., Ltd. (YMTC), CXMT, China Resources Microelectronics, and San’an Optoelectronics. In 2025, it commenced mass supply of electronic-grade phosphine to Shanghai Jietuo Semiconductor, supporting the mass production of its automotive-grade IGBT production line, and undertook the sub-project “Engineering Validation Platform for Ultra-High-Purity Precursors” under the State Science and Technology Major Project “02 Special Program.” Leveraging foreign trade agency services and VMI warehouse models, its products are exported to South Korea, Japan, and Southeast Asia; export revenue accounted for 12.7% of total revenue in 2025. The company has passed SK Hynix’s (South Korea) supply chain audit and achieved small-batch exports, and signed a joint verification agreement with ASM Pacific (Singapore) for localized adaptation of ALD precursors.

Dalian Kedun Anti-fouling Materials Co.,Ltd, located in Yingchengzi Subdistrict, Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in research and development of metal corrosion protection technologies, manufacturing of anti-corrosion materials, and engineering applications. Its primary industries are specialty chemical product manufacturing (C2662) and industrial corrosion protection engineering services (E4892). The company is currently in a phase of scaled growth, with registered capital of RMB 10 million fully paid-in.  

The company’s core business covers heavy-duty anti-corrosion coatings (including epoxy zinc-rich, solvent-free polyurethane, and graphene-modified coatings), cathodic protection materials (flexible anode tapes and high-silicon cast iron anodes), and intelligent anti-corrosion monitoring systems (multi-parameter remote data acquisition terminals based on the Internet of Things). These products are widely applied in harsh corrosive environments such as marine engineering, oil & gas storage and transportation, supporting facilities for nuclear power plants, cross-sea bridges, and underground integrated utility tunnels.  

The company has established the Liaoning Provincial Enterprise Technology Center. Over the past three years, its R&D expenditure has averaged 7.3% of annual revenue. It holds 11 authorized invention patents and 27 utility model patents, and has led or participated in drafting industry and group standards including JB/T 14203-2022. Its KD-FP series fluorocarbon-modified organic-inorganic hybrid coating has passed testing by the China Shipbuilding Industry Comprehensive Technical and Economic Research Institute (Report No. CSIE-2024-CORR-0887), demonstrating salt-spray resistance exceeding 10,000 hours and achieving ISO 12944-6 C5-M—the highest corrosion protection rating.  

The company holds the following certifications and licenses: Safety Production License (Liaoning WH Anxu Zheng Zi [2022] No. 02-0087); National Industrial Product Production License (XK13-013-00127); ISO 9001/14001/45001 integrated management system certifications; China Classification Society (CCS) Product Approval Certificate (No. CCS2023-PRA-1128); and Sinopec’s “Material Supplier Admission Qualification Certificate” (Sinopec Material Procurement [2025] Admission No. 092).  

Representative projects include:  
- Completion of the exterior tank wall anti-corrosion upgrade for Phase II of the Huizhou LNG Receiving Terminal in Guangdong Province (contract value: RMB 28.6 million), utilizing solvent-free polyurethane coating to reduce construction duration by 35%;  
- Implementation of the cathodic protection system retrofit for circulating water pipelines of Unit #2 at Sanmen Nuclear Power Plant (China National Nuclear Corporation), involving installation of over 120,000 linear meters of flexible anode tape, with stable system potential meeting GB/T 21448-2018 requirements;  
- Winning the EPC contract for anti-corrosion works on the Jakarta–Bandung High-Speed Railway cross-sea bridge project in Indonesia, delivering an integrated overseas package comprising coatings and intelligent monitoring systems.  

Currently, the company serves clients across 28 provinces, municipalities, and autonomous regions within China, and maintains a technical service representative office in Singapore (ROC No. 202418765K). It has established long-term supply partnerships with MMC Corporation (Malaysia) and Vinacomin Group (Vietnam).

Dalian Kangneng Coatings Co., Ltd. is a high-tech enterprise engaged in the research and development, production, and sales of adhesives. Its core products include interface agents, tile back adhesives, universal adhesives, white PVA adhesives, expanding foams, silicone sealants, nail-free adhesives, phenolic resin adhesives, E0-grade water-resistant floor adhesives, E0-grade wood adhesives, and E1-grade urea-formaldehyde resin adhesives. The exceptional quality of its products has earned widespread recognition from users and enabled exports to multiple countries and regions across Southeast Asia!  
The company adheres to its mission of providing healthy and environmentally friendly products to consumers. Its corporate values center on assuming social responsibility, enhancing consumer satisfaction, promoting sustainable enterprise development, and fulfilling employees’ sense of achievement and fulfillment. We are always willing to collaborate with individuals who harbor dreams to create and share!

Dalian Kaihua New Technology Engineering Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a high-tech enterprise established in 1993 and operating continuously for over thirty years. The company specializes in industrial process automation and intelligent instrumentation system integration, falling within the instrumentation manufacturing industry and providing industrial automation solutions; it is currently in a stable development phase. Its core business covers research, development, and manufacturing of thermal instrumentation and field detection instruments—including pressure, temperature, flow, and level measurement devices—as well as integration of Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC), and customized automatic control engineering services tailored to industries such as petrochemicals, coal chemical processing, fine chemicals, metallurgy, and environmental protection wastewater treatment. Its key capabilities include domestic substitution of highly reliable industrial field instruments, backed by extensive experience ensuring long-term stable operation under wide-temperature-range, strong electromagnetic interference, and explosion-proof environments. The company holds five utility model patents (e.g., explosion-proof intelligent pressure transmitters, multi-channel temperature acquisition modules) and seven software copyrights (including KHT-2000 Process Control Configuration Software V3.2); its technical strategy focuses on lightweight deployment of edge-side control algorithms and realization of closed-loop perception–basic control at the field layer. The company has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 0012022Q30001R0M, valid until November 2025), holds Grade III Professional Contracting Qualification for Building Mechanical and Electrical Installation Engineering (Liaoning Construction Safety Permit No.: [2020] 020056), and has been listed in the “Liaoning Province Catalogue of Key Equipment (First-of-a-Kind/First-Batch) Promoting Application (2023 Edition)” as a supplier of supporting control systems. Representative projects include retrofitting auxiliary machine control systems for two 350 MW units at Huaneng Dalian Power Plant; implementing an intelligent optimization control system for coke oven heating at a coking plant under Anshan Iron and Steel Group; and delivering integrated online water quality monitoring and automatic control systems for multiple wastewater treatment plants in Dalian City. Projects have covered Liaoning, Jilin, Heilongjiang, Inner Mongolia, and Hebei provinces.