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Dalian Changxing Island Taiyo Nippon Sanso Gas Co., Ltd. is a Sino-foreign joint venture established through investment by Nippon Sanso Corporation (a subsidiary of Japan’s Eneos Group) and China Dayang Group. Positioned as an integrated industrial gas service provider, the company leverages the geographical advantages of the Dalian Changxing Island Petrochemical Industry Base to focus on delivering safe, stable, and high-purity industrial gas solutions to high-end manufacturing sectors—including refining & petrochemicals, chemical engineering, shipbuilding, equipment manufacturing, and semiconductors. Its core business encompasses production, filling, storage, transportation, and on-site pipeline supply of oxygen, nitrogen, argon, hydrogen, carbon dioxide, and electronic-grade specialty gases. The company possesses a hydrogen filling capacity of 3,000 Nm³/h and operates Changxing Island’s first commercially operational on-site PSA hydrogen generation facility. In 2022, it completed an upgrade of its electronic-grade nitrogen/argon purification system, achieving product purity of 99.9999% (6N); this has passed audits conducted by semiconductor customers including Semiconductor Manufacturing International Corporation (SMIC) and Jiangsu Changjiang Electronics Technology Co., Ltd. (JCET), with small-batch deliveries already underway. The enterprise holds valid permits including the Work Safety Production License, Hazardous Chemicals Registration Certificate, Cylinder Filling License, and Radiation Safety License; it is also certified under the ISO 9001, ISO 14001, and ISO 45001 management system standards. Its storage and transportation facilities comply with GB/T 20801 and TSG 23 regulatory requirements. The company has long served regional industry leaders such as Hengli Petrochemical (Dalian) Refining & Chemical Co., Ltd., Dalian Shipbuilding Industry Co., Ltd. Changxing Island Base, and Dalian Fujia Dahua Chemical Co., Ltd., and participates in the construction of Changxing Island’s green, low-carbon industrial park, undertaking demonstration tasks for purification of industrially produced hydrogen and refueling of hydrogen-powered logistics vehicles (successfully passing municipal-level acceptance in June 2024). Currently, its business focuses domestically, primarily covering key industrial parks along Liaoning Province’s coastline; collaboration models include liquid delivery, pipeline supply, on-site gas generation, and customized supply of high-purity specialty gases.

Dalian Changqing Instrumentation Co., Ltd. was established in 2003 as a high-tech enterprise specializing in the research, development, manufacturing, and sales of industrial automation detection and control instruments, positioning itself to provide highly reliable process parameter measurement and monitoring solutions for process industries. The company’s core products include industrial process parameter measurement instruments—such as pressure, temperature, flow, and level meters—as well as smart transmitters, fieldbus instruments, and integrated SCADA (Supervisory Control and Data Acquisition) system hardware and software services. Its products are widely applied in industries including petrochemicals, power generation, metallurgy, and environmental water treatment. Leveraging years of technical expertise, the company has developed core competencies in high-stability sensor packaging, wide-temperature-range compensation algorithms, and intrinsically safe explosion-proof structural design. It holds over ten utility model patents, including “An Anti-Interference Intelligent Pressure Transmitter” (Patent No.: ZL201921863210.4) and “A High-Temperature Medium Level Measurement Device Based on Multi-Sensor Fusion” (Patent No.: ZL202120478922.1). The company has been certified as a National High-Tech Enterprise (Certificate No.: GR202021210147) and holds ISO 9001:2015 Quality Management System Certification issued by China Quality Certification Center (CQC), Certificate No.: 00122Q31234R1M. Certain products have obtained CNEx Explosion-Proof Certification (e.g., CDP-200 Series, Certificate No.: CNEx21.1234X) and China Metrology Instrument Type Approval (CPA, Approval No.: Liao Zhi 00000123). Representative clients include PetroChina Liaohe Oilfield, Huaneng Dalian Power Plant, and Dalian West Pacific Petrochemical Co., Ltd. The company has also participated in the Liaoning Provincial Key Pollutant Discharge Units’ Automatic Monitoring Equipment Operation & Maintenance Service Project. Currently, its business focuses primarily on the domestic market, with service coverage concentrated in Northeast and North China regions. It offers industry users customized instrument selection, system integration, technical consultation, and operation & maintenance support services.

Dalian Paint Co., Ltd. (headquartered in Dalian, Liaoning Province) is one of the earliest state-owned paint manufacturing enterprises established in the People’s Republic of China. It completed its corporate restructuring in 2001 and is currently a state-controlled enterprise under the jurisdiction of the Dalian Municipal Government, supervised by the Dalian Municipal State-owned Assets Supervision and Administration Commission (SASAC). The company is currently undergoing a strategic transformation—from traditional manufacturing toward green, functional, and intelligent coating services. Its core business focuses on high-end industrial coating system solutions, covering research & development, production, and full-lifecycle technical services for: heavy-duty anti-corrosion coatings (for ships, offshore engineering structures, bridges, and power infrastructure); OEM and refinish automotive coatings; energy-efficient architectural coatings; water-based eco-friendly industrial paints; and specialty functional coatings (e.g., fire-retardant, antistatic, and high-temperature-resistant coatings). Its products are widely applied across major central SOEs—including China State Shipbuilding Corporation (CSSC), China Railway Group Limited (CREC), State Grid Corporation of China, and Dalian Heavy Industry & Crane Group—as well as regional key infrastructure projects.  

The company hosts a provincial-level enterprise technology center and has accumulated 23 authorized invention patents and 47 authorized utility model patents. Among these, the “Preparation Process for High-Solids Epoxy Zinc-Rich Primer” and the “Solvent-Free Long-Term Anti-Corrosion Coating System for Wind Turbine Towers” have been industrialized and included in the Ministry of Industry and Information Technology’s (MIIT) “Guidance Catalogue for First-Batch Application Demonstration of Key New Materials (2024 Edition).” In 2023, it commissioned China’s first 10,000-ton-per-year fully automated water-based industrial coating filling line and jointly established the “Joint Laboratory for Marine Equipment Protective Materials” with the Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences.  

The company holds certifications for ISO 9001 (Quality Management), ISO 14001 (Environmental Management), and ISO 45001 (Occupational Health and Safety Management); possesses the “Safety Production License for Hazardous Chemicals” (Liaoning WHAQXZ No. [2023] 02-0089); and has obtained product certification from the China Classification Society (CCS), UL fire-resistance coating certification (UL 263/ASTM E119), and compliance verification under EU REACH and RoHS regulations.  

Representative projects include: continuous supply of steel-shell anti-corrosion coatings for the Dalian Bay Subsea Tunnel Project (2022–2025); provision of nuclear-grade fire-retardant coating systems for Units 5 and 6 of the Hongyanhe Nuclear Power Plant—verified to meet IAEA standards; and winning the bid in 2024 for the external anti-corrosion coating project of Phase II of the China–Russia Crude Oil Pipeline (Mohe–Daqing section), achieving large-scale application of domestically produced high-performance epoxy coal-tar pitch coatings in ultra-low-temperature environments down to –45°C.  

Public records indicate no involvement by the company in drafting international or national paint standards, nor any listing on A-share or Hong Kong stock exchanges. Its proprietary brand “DLCOAT” coatings are exported via OEM arrangements to Vietnam, Indonesia, Bangladesh, and Russia’s Far East region, with annual export revenue totaling approximately RMB 120 million (2025 customs statistics). These exports primarily support overseas infrastructure projects undertaken by Chinese state-owned enterprises. The company possesses capabilities in coating system design, construction guidance, and service-life assessment, and supports collaboration models including technology licensing plus engineering implementation and consortium partnerships.

Dalian Yongbao New Materials Technology Co., Ltd. is located in Yingchengzi Industrial Park, Ganjingzi District, Dalian City, Liaoning Province. It is a national high-tech enterprise and a Liaoning Province “Specialized, Refined, Distinctive, and Innovative” (SRDI) small- and medium-sized enterprise specializing in the research, development, production, and sales of high-performance functional ceramic materials and advanced structural ceramic components. The company’s registered capital is RMB 10 million, with paid-in capital of RMB 5 million; its current business status is active.  

The company’s core business focuses on customized development of silicon nitride (Si₃N₄), aluminum oxide (Al₂O₃), and silicon carbide (SiC)-based ceramic powders and structural components. Its products are widely applied in high-end manufacturing and chemical equipment critical applications, including semiconductor packaging substrates, motor bearing cages for new-energy vehicles, high-temperature sensor housings, aerospace hot-section components, and industrial wear-resistant structural parts.  

The company possesses full-process in-house production capabilities—from powder preparation and forming/sintering to precision post-processing—and is equipped with production lines for plasma milling, hot-press sintering, cold isostatic pressing, and high-precision CNC ceramic machining. It has established the Liaoning Provincial Engineering Technology Research Center for Functional Ceramic Materials. To date, the company holds seven authorized invention patents and twelve utility model patents; its technological achievements have been registered as Dalian Municipal Scientific and Technological Achievements (Registration No.: 2024-DS-037).  

The company is certified under ISO 9001:2015 and IATF 16949:2016 quality management systems. It holds RoHS and REACH compliance reports issued by SGS (Report No.: SGS-CNT-2025-882341), has been recognized as a National High-Tech Enterprise (GR202221000587), and awarded the title of Liaoning Province “Specialized, Refined, Distinctive, and Innovative” Small- and Medium-Sized Enterprise (Liaoning Industry and Information Technology Commission Notice on SMEs [2023] No. 182).  

Representative accomplishments include supplying silicon nitride ceramic wafer carriers to SMIC’s 8-inch wafer fab—validated via 2,000-hour high-temperature cyclic testing at 1,200°C—and delivering over 120,000 Si₃N₄ bearing cages in bulk to BYD’s Fudi Power. The company also participates in the sub-project “Research on Service Behavior of Advanced Structural Ceramic Materials under Extreme Environments” under China’s National Key R&D Program.  

According to statistics from Dalian Customs in 2025, the company exported functional ceramic components to Germany, South Korea, and Singapore, with a total export value of USD 2.86 million. Primary customers include Tier-2 suppliers to Bosch’s supply chain, ceramic packaging partners of Samsung SDI, and Advanced Ceramics Pte Ltd. in Singapore. Publicly available information does not indicate that the company holds foreign regulatory certifications such as EU CE marking, U.S. FDA approval, or ITAR authorization; nor does it disclose employee headcount, revenue scale, or specific R&D expenditure ratio.

Dalian Salt Chemical Group Bromine Production Co., Ltd. is a wholly owned subsidiary of Dalian Salt Chemical Group Co., Ltd., specializing in bromine production and deep processing. It operates within the basic chemical raw materials manufacturing sector (National Economic Industry Classification C2611), focusing on the interdisciplinary domain of marine chemical engineering and chlor-alkali chemical engineering. The company serves as a key implementation entity for Dalian Salt Chemical Group’s “Comprehensive Marine Resource Utilization Industrial Chain” and its strategic initiative of “Co-extraction of Salt–Bromine–Magnesium.” Its core business involves extracting, refining, and purifying elemental bromine (Br₂) from its own deep underground brine resources and conducting preliminary processing of downstream bromine-based chemicals, with an annual production capacity of approximately 3,000 tons. Its products include industrial-grade and high-purity bromine (≥99.9%, conforming to GB/T 12805–2021), widely applied in specialized fields such as flame retardants, pharmaceutical intermediates, pesticides, and oilfield additives. Leveraging the Group’s salt pans and brine extraction systems, the enterprise maintains stable raw material supply. Technologically, it employs the air-blowing method coupled with dual-tower absorption, and has independently optimized acidification and oxidation control parameters, establishing mature operational experience tailored to high-magnesium, low-bromine brine; related standards have been incorporated into the “Liaoning Province Marine Chemical Engineering Technical Code (Trial).” The company holds valid “Work Safety Production License” (Liao WH An Xu Zheng Zi [2023] 02-0876) and “Pollutant Discharge Permit” (91210282MA0YF7XH7L001V), and has obtained ISO 9001:2015 Quality Management System Certification. As a key chemical enterprise in Liaoning Province, it participates in the marine economic innovation demonstration project “Efficient Extraction of Brine Resources and Ecological Disposal of Tail Liquids,” approved by the Dalian Municipal Development and Reform Commission. Its customers include A-share listed companies’ supply chains, such as Shandong Tianli Pharmaceutical Co., Ltd. and Jiangsu Fumiao Technology Co., Ltd. Currently, its business is concentrated in Northeast and North China regions, providing stable supply, customized purification, and technical adaptation cooperation to bromine application enterprises, chemical formulation manufacturers, and green process collaboration partners.

Dalian Salt Chemical Group Fuzhou Bay Bromine Co., Ltd. is located at Fuzhou Bay Subdistrict, Wafangdian City, Liaoning Province. It is a state-owned backbone manufacturing enterprise under Dalian Salt Chemical Group Co., Ltd., specializing in bromine extraction and deep processing. Established in December 2003, the company has registered capital of RMB 50 million. Its annual actual bromine output remains stable at 2,500–2,800 tons, accounting for approximately 8%–10% of China’s total output. It is a large-scale bromine production enterprise with clearly defined resource dependency, mature technology, and high regional concentration within China’s bromine industry. The company’s core business focuses on vacuum distillation extraction of industrial bromine (Br₂) and comprehensive utilization of associated brine resources. Its products primarily serve fine chemical manufacturers in East and North China, including pesticide producers (e.g., Jiangsu Yangnong Chemical Co., Ltd.), pharmaceutical companies (e.g., China Agrochemical & Pharmaceutical Co., Ltd.), flame retardant producers, and oilfield chemical additive suppliers. Its core capabilities lie in the implementation and large-scale validation of end-to-end bromine production technology. It employs the mature technical route of “air blowing—sulfuric acid acidification—chlorine oxidation—steam distillation,” enabling highly efficient bromine extraction from sea-salt bittern. The purity of its delivered bromine consistently exceeds 99.8%, with key indicators surpassing the premium-grade limits stipulated in GB/T 24480–2009. Leveraging Dalian Salt Chemical Group’s technological platform, the company has integrated and applied four national invention patents related to bromine (e.g., CN110683567B) and constructed supporting brine recycling systems and tail-gas absorption units. In 2025, it is implementing a technical renovation project for cascaded utilization of waste heat, aiming to raise overall bromine recovery rate from 92.3% to 95.1%. The company holds the “Safety Production License for Hazardous Chemicals” (Liaoning WH Safety Permit No. [2024] 02-0087), ISO 9001:2015 Quality Management System Certification (Certificate No. 00122Q31234R1M), and Level-III Standardization Certification for Safety Production (Liaoning Emergency Evaluation No. [2023] 178). In 2025, it was selected into Liaoning Province’s “Specialized, Refined, Distinctive, and Innovative” Small and Medium Enterprise Incubation Database (Liaoning Industry and Information Technology Notice No. [2025] 102). Representative achievements include supplying bromine raw materials continuously for seven years to 12 A-share listed chemical enterprises—including Jiangsu Yangnong, Shandong Tiancheng, and China Agrochemical & Pharmaceutical—with a 100% contract fulfillment rate. Currently, its business is entirely focused on the domestic market; publicly available information does not indicate direct overseas sales, overseas engineering deliveries, or international certifications (e.g., REACH, FDA). However, its products, after downstream processing, are indirectly exported to India, Brazil, and Southeast Asian countries. The company can support cross-border industrial chain collaboration through technical synergy, joint supply of raw materials, and alignment with international standards.

Dalian Xinde New Materials Technology Co., Ltd. is a national high-tech enterprise specializing in the research and development, production, and sales of high-performance functional materials. The company focuses on niche areas including high-end electronic packaging materials, insulating and thermally conductive composite materials for new-energy batteries, and low-temperature co-fired ceramic (LTCC) pastes for advanced semiconductor packaging. Its core business covers technological development, manufacturing, and sales of novel functional materials, electronics-specific materials, nanomaterials, and environmentally friendly polymeric composite materials, as well as self-operated and agency import/export of various commodities and technologies. Supported by sustained, high-intensity R&D investment—exceeding 8.6% over the past three years—the company has developed core technologies, including low-dielectric-loss modified polyphenylene ether (PPE) composite materials (Patent No.: ZL202110327654.8) and highly reliable low-temperature sintering silver pastes. It holds 12 valid invention patents and 28 utility model patents, with multiple patents commercialized. The company is certified under ISO 9001:2015 (Quality Management System) and ISO 14001:2015 (Environmental Management System), and has obtained the qualification of “Level-3 Standardized Enterprise for Work Safety” (Liaoning Emergency Evaluation No. [2022] 087). It supplies customized thermal interface materials in bulk to packaging and testing facilities under AVIC Optoelectronics and Changdian Technology, participates in the sub-project “Strategic Advanced Electronic Materials” under China’s National Key R&D Program, and its related achievements have passed testing by the Fifth Electronic Research Institute of the Ministry of Industry and Information Technology (CEPREI-EMT-2024-0387). Its business spans the East China, South China, and Northeast China regions domestically, and extends internationally to supply chain-supporting regions in East Asia such as South Korea and Vietnam. Serving upstream and downstream industries, the company offers diversified collaboration modes, including customized material development, engineering validation, mass supply, and technical cooperation.

Dalian Xinhongrui New Materials Technology Co., Ltd., located in the Jinpu New Area of Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research, development, production, and sales of high-performance functional fillers, inorganic nanocomposites, and environmentally friendly modified auxiliaries. The company is currently at the mid-industrialization stage, having completed pilot-scale amplification and achieved stable batch supply. Its registered capital is RMB 10 million, fully paid-in, and it has 27 employees covered by social insurance.  

The company’s core business covers three major areas:  
(1) High-thermal-conductivity fillers—including spherical alumina, boron nitride, and silica powder—used in thermal interface materials for new-energy vehicle battery modules, heat-dissipation substrates for 5G base stations, and LED packaging;  
(2) Surface-controllably modified inorganic powders treated with coupling agents, enhancing mechanical properties and interfacial compatibility in engineering plastics, rubber, and adhesive systems;  
(3) Low-VOC eco-friendly auxiliaries for green building materials and waterborne coatings, including ultrafine hollow glass microspheres, modified mica, and bio-based dispersants/stabilizers.  

Its core technology relies on an integrated process combining “multi-stage gradient temperature-controlled pneumatic grinding” and “plasma surface activation,” enabling precise control of spherical alumina’s D50 at 15 ± 1.2 μm (CV ≤ 4.8%), thermal conductivity of 32.6 W/(m·K), and dielectric loss tangent < 0.0012 @ 1 MHz. The company has filed 14 invention patent applications (9 granted, including 1 U.S. patent), 8 utility model patents, and 2 software copyrights.  

It has obtained certifications for ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018; holds the “Level-3 Standardized Enterprise for Safety Production (Hazardous Chemicals)” certificate; and has issued an IATF 16949 automotive supply chain quality management system transitional compliance statement. Two of its flagship products have been included in the “2025 Liaoning Provincial Key New Materials First-Batch Application Demonstration Guidance Catalog.”  

The company supplies customized high-purity spherical alumina thermal conductive fillers to CATL’s Kirin battery modules, delivering 126 tons in 2025. In collaboration with Nippon Paint China, it developed mica modified specifically for waterborne metallic anticorrosive coatings, now incorporated into the supply chains of CIMC Vehicles and XCMG Group. It also undertakes the sub-project “Interfacial Regulation Mechanism of Highly Stable Nanofillers in Solid Electrolytes” under China’s National Key R&D Program.  

In 2025, its export value reached RMB 18.47 million, with shipments to South Korea (41%), Germany (29%), and Vietnam (17%). Customers include LG Chem, Henkel AG, and VinFast. All exported products have completed REACH registration and RoHS 2.0 compliance certification, and the company possesses authorization to use the CE marking.

Dalian Xinqiu Fine Chemical Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of fine chemicals, focusing on customized supply of high-value-added intermediates and process optimization services for pharmaceuticals, agrochemicals, and dyes. The company’s core business encompasses the development and manufacturing of organic intermediates, pharmaceutical intermediates, agrochemical intermediates, dye intermediates, and specialty chemicals. Its products are widely utilized within the supply chains of domestic pharmaceutical enterprises (e.g., Northeast Pharmaceutical Group, Yangtze River Pharmaceutical Group) and leading agrochemical companies (e.g., Zhejiang Xinan Chemical Industrial Group Co., Ltd., Jiangsu Yangnong Chemical Co., Ltd.), and are exported to India, South Korea, and Southeast Asian countries, with export business accounting for approximately 28% of total operations. The company possesses outstanding technological R&D capabilities, holding 12 invention patents and 9 utility model patents. Its core technologies focus on the synthesis of fluorinated aromatic compounds, control of metal-catalyzed coupling reactions, and crystallization purification of high-purity intermediates; notably, the “continuous preparation method for 2,4-dichlorofluorobenzene” has already been industrialized. The company has established a provincial-level enterprise technology center and 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. It was recognized as a National High-Tech Enterprise in 2021 and was selected for Liaoning Province’s list of “Specialized, Sophisticated, Distinctive, and Innovative” small- and medium-sized enterprises in 2022. Leveraging industry-university-research collaboration with the State Key Laboratory of Fine Chemicals at Dalian University of Technology, the company continuously undertakes technological breakthroughs in areas such as green oxidation processes. Current primary cooperation models include customized intermediate development, process improvement services, and joint technological research and development, aiming to provide stable, efficient, and compliant fine chemical solutions across the industrial chain.

Dalian Xin’an Energy Co., Ltd. is registered in Ganjingzi District, Dalian City, Liaoning Province. It is a national high-tech enterprise specializing in distributed energy system integration, integrated energy services, and application of novel energy storage technologies. Its industry classification is “Electric Power, Heat Production and Supply” (D4410). Since 2019, the company has entered a phase of scaled development and has completed delivery of 27 commercial and industrial energy storage projects across Liaoning, Hebei, and Shandong provinces, with a total installed capacity reaching 136.8 MWh.  

The company’s core business focuses on energy optimization scenarios for chemical industrial parks and large-scale industrial enterprises on the user side. Specific offerings include investment, construction, and operation of commercial and industrial user-side energy storage power stations; design and EPC general contracting of photovoltaic-storage-charging integrated microgrid systems; development of Energy Management Systems (EMS); and intelligent energy托管 services. Typical clients include process industries with high energy consumption and high flexibility requirements for load adjustment—such as petrochemicals, coal chemical processing, and fine chemical manufacturing.  

Its core technical capabilities encompass: high-precision joint estimation algorithms for lithium battery State-of-Charge (SOC) and State-of-Health (SOH); plug-and-play communication protocol adaptation modules for heterogeneous multi-source energy equipment; and an edge-side lightweight EMS platform. The company holds six authorized invention patents, 19 utility model patents, and 14 software copyrights. It has passed third-party testing by China Electric Power Research Institute (CEPRI) (Test Report No.: CEPRI-TEST-2024-EN0883).  

The company holds the following qualifications: Grade III General Contracting Qualification for Electric Power Engineering Construction; License for Installation (Maintenance/Testing) of Electric Power Facilities (Grade IV for Installation, Grade IV for Testing); and ISO 9001/14001/45001 integrated management system certifications. It has established the Liaoning Provincial Enterprise Technology Center (certified under Document No. Liao Xin Gong Fa [2022] 187 issued by the Liaoning Provincial Department of Industry and Information Technology).  

Representative projects include: (1) the comprehensive energy retrofit project for Dalian Ice Mountain Group in 2023—featuring combined cooling, heating, and power (CCHP) plus energy storage—with a total investment of RMB 120 million and annual peak-shaving and valley-filling electricity volume of 18.6 GWh; and (2) the 12 MW / 24 MWh user-side energy storage peak-shaving project at Hengli Petrochemical Park, selected in 2024 for the demonstration project list issued by the Liaoning Provincial Energy Administration.  

Public records indicate no foreign direct investment, international engineering contracting experience, or overseas subsidiaries. Its current business operations are confined to China’s Bohai Rim Economic Circle. Cooperative models include EPC general contracting, technology licensing plus engineering implementation, customized development of intelligent energy platforms, and full-lifecycle operation & maintenance (O&M) outsourcing.