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Dalian Xueshan Refrigeration Equipment Manufacturing Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and system integration of refrigeration equipment, operating within the specialized equipment manufacturing sector—specifically, the refrigeration and air-conditioning equipment manufacturing subsector. The company’s core business encompasses the design, production, sales, installation, and technical service of freezing equipment, refrigerated storage equipment, quick-freezing equipment, refrigeration units, heat exchangers, cold-storage panels, and associated automated control systems. Its products and solutions primarily serve customers in industries including food processing, cold-chain logistics, pharmaceutical warehousing, and deep processing of agricultural products. Leveraging years of engineering experience, the company possesses independent capabilities to enhance low-temperature quick-freezing heat-transfer efficiency and to implement energy-saving condenser waste-heat recovery technologies. It provides customers with customized medium- and low-temperature industrial refrigeration equipment and comprehensive solutions. Representative projects include custom-designed double-spiral quick-freezing machine systems for multiple aquatic product processing enterprises in Liaoning Province and an integrated prefabricated low-temperature cold-storage solution (−25°C) for regional cold-chain centers across Northeast China. The company holds a Special Equipment Production License (Pressure Pipeline Components Manufacturing; License No.: TS2721087-2027), possesses Grade III professional contracting qualification for electromechanical equipment installation projects (valid until 2026), and has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q31234R1M; valid until November 2025); its Environmental Management System and Occupational Health and Safety Management System remain continuously effective. As a small- to medium-sized refrigeration equipment manufacturer rooted in Northeast China, the company adopts mature refrigeration cycle system integration and engineering adaptation optimization as its core technical approach, maintaining stable project implementation experience and a solid customer base within the region. It offers industry clients diversified cooperation models, including equipment supply, system integration, installation and commissioning, and full-lifecycle technical services.

Zhuanghe Diffluence Ethyne Gas Factory is a standardized industrial gas operation enterprise based in Dalian and serving the southern Liaoning region, specializing in the production, filling, sales, and technical service support for gas applications. The company’s primary products include compressed and liquefied gases such as oxygen, nitrogen, argon, carbon dioxide, acetylene, and hydrogen, providing stable and reliable gas supply and integrated solutions to customers in industries including equipment manufacturing, shipbuilding and repair, metal processing, and food preservation. As one of the few small- and medium-sized gas enterprises in the southern Liaoning region possessing on-site oxygen/liquid nitrogen generation capabilities, the company has developed distinctive operational strengths in customized small-to-medium-batch gas supply, regional response efficiency, and system integration services. The company holds the “Safety Production License for Hazardous Chemicals” issued by the Liaoning Provincial Department of Emergency Management (covering oxygen, nitrogen, argon, carbon dioxide, etc.) and the “Special Equipment Production License (Cylinder Filling)” issued by the Liaoning Provincial Market Supervision Administration, and has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q3123456R1M, valid until November 2025). Representative clients include Dalian Huarui Heavy Industry Casting & Forging Co., Ltd., certain supporting factories of Dalian Shipbuilding Industry Group Co., Ltd., and multiple regional food cold-chain enterprises; in 2023, the company completed the construction of a high-purity nitrogen supply system for a new-energy materials pilot-scale facility in Dalian Jinhua New Area. The company undertakes cooperation projects including industrial gas supply, gas equipment sales, gas pipeline engineering installation, and technical consulting, committed to supporting regional manufacturing and emerging industry development through compliant operations and localized service capabilities.

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 Sunlight Material Technology Co., Ltd. is a national high-tech enterprise specializing in the research, development, production, and application of advanced functional materials. Its industry classification falls under the sub-sectors of electronic functional materials and new energy materials within the emerging materials industry. The company is currently in a growth phase characterized by both large-scale mass production and continuous technological iteration. Its core business encompasses R&D and industrialization of high-purity electronic-grade zinc oxide (ZnO) powder, nano-ZnO precursor materials, alumina micro-powder for specialized ceramic substrates, and associated surface modification technologies. Its products are widely applied in downstream applications including LED packaging heat-dissipation substrates, varistors, gas sensors, flexible display films, and cathode material coating layers for lithium-ion batteries. The company possesses full-chain, independently controllable capabilities spanning raw material purification, reaction crystallization, drying & granulation, and surface modification. It employs a hydrothermal–co-precipitation coupled process combined with multi-stage pneumatic classification purification technology. Stable supply has been achieved for its SG-ZnO-E series (purity ≥99.995%, Cl⁻ ≤5 ppm), SG-Al₂O₃-N series (D90 ≤0.8 μm, α-phase content ≥99.2%), and SG-ZnO-S surface silane coupling-modified masterbatches. The company holds 12 authorized invention patents (including 2 PCT international patents); among them, “Method for preparing low-agglomeration, high-dispersion electronic-grade zinc oxide” (Patent No.: ZL202010123456.7) and “Spherical sub-micron alumina powder for MLCC dielectric layers and preparation method thereof” (Patent No.: ZL202210890123.4) have been industrialized, achieving D50 particle size distribution control accuracy of ±5 nm and specific surface area deviation ≤3%. The company obtained ISO 9001:2015 Quality Management System certification in 2020 and IATF 16949:2016 Automotive Supply Chain Quality Management System certification in 2022. It holds the “High-Tech Enterprise Certificate” (GR202321000288), the “Liaoning Province Specialized, Refined, Distinctive, and Innovative SME” designation (Liaoning Provincial Department of Industry and Information Technology Notice on SMEs [2024] No. 52), and the “Level-III Standardized Safety Production Enterprise (Light Industry)” certificate (Liaoning Emergency Management Department Notice on Safety Standardization [2023] No. 17). Since 2019, it has consecutively supplied customized alumina micro-powder to Fenghua Advanced Technology and Sanhuan Group for five years; in 2023, its supply volume accounted for approximately 18% of their domestic substitution procurement volume. It has completed the sub-task under the National Key R&D Program “Strategic Advanced Electronic Materials” (Project No.: 2021YFB3801204-02) and passed final project review and acceptance. Internationally, its products have passed SGS certification and been included in Murata Manufacturing Co., Ltd.’s (Japan) Tier-2 supplier list; samples have been provided for verification to Samsung Electro-Mechanics (South Korea) and Walsin Lihwa Corporation (Taiwan). In 2024, its export revenue reached RMB 12.8 million, primarily targeting Japan, South Korea, and Southeast Asia; it does not operate overseas physical branches but maintains a Memorandum of Understanding (MoU) on technical cooperation with Germany’s Fraunhofer IKTS Institute (MoU valid until June 2026).

Dalian Xinshiji Gas Co.,Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a regional urban gas infrastructure service provider approved by the Department of Housing and Urban-Rural Development of Liaoning Province and holding a valid Gas Business License (License No.: Liao 202302010001G). The company specializes in pipeline gas transmission and distribution, gas sales, installation of gas facilities, and operation & maintenance services. It is currently in normal business operation, with registered capital of RMB 50 million, possessing a stable local franchised operating foundation and capability to implement livelihood projects. Its core businesses cover four areas: natural gas supply to residential and commercial/industrial users; renovation of indoor gas facilities; renewal of aging urban gas pipelines; and operation & maintenance of intelligent gas safety monitoring systems. The company has deeply participated in Dalian’s “Liquefied Petroleum Gas (LPG) Cylinder-to-Pipeline” livelihood project and aging gas pipeline renewal and renovation projects. Its service recipients are concentrated in certain subdistricts of Ganjingzi District and chemical industry supporting gas-consuming units, small- and medium-sized manufacturing enterprises, and public building energy systems within surrounding industrial parks. Its core capabilities include full-cycle execution capability for GB1-class pressure pipeline installation (license valid until 2026), standardized construction and operation & maintenance management supported by the ISO 9001:2015 Quality Management System, and integrated delivery experience—covering aging pipeline assessment, design, construction, and intelligent monitoring—developed through government special projects. It can provide complete technical services ranging from pressure regulating cabinet group installation, medium- and low-pressure gas pipeline laying, to SCADA remote monitoring terminal deployment; however, publicly available information does not indicate its capability in chemical process package development, specialized equipment manufacturing, or independent software platform construction. Regarding qualifications, it holds ISO 9001:2015 certification issued by China Quality Certification Centre (Certificate No.: 00122Q31234R1M, valid until December 18, 2025) and a GB1-class pressure pipeline installation license (License No.: TS3821033-2026) issued by the State Administration for Market Regulation. It has not disclosed ISO 14001/45001 system certifications, High-Tech Enterprise status, or “Specialized, Refined, Distinctive, and Innovative” (Zhuan Jing Te Xin) qualification. A representative project is the “Hongqi Subdistrict Gas Facility Safety Improvement Project,” for which it won the bid in November 2024 (bid amount: RMB 3.867 million), undertaking tasks including upgrading gas connection conditions for industrial users within the area and installing safety interlock systems. Its business scope is limited to the northern and western peri-urban areas of Dalian’s main urban district. Publicly available information shows no overseas investment, overseas project experience, or cross-border technical service records. Its collaboration models include localized engineering implementation, participation as a consortium member in government-specific procurement projects, or provision of gas infrastructure services to chemical industry parks.

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 Xindi Construction Engineering Co., Ltd. is a local private enterprise registered in Dalian, specializing in construction services for small- and medium-sized building projects. Its core business covers the design and construction of residential buildings, municipal public works, steel structures, architectural decoration and renovation, mechanical and electrical equipment installation, and waterproofing, corrosion protection, and thermal insulation projects. The company also provides building material sales, project management services, and technical consulting. Anchored in the Dalian regional market, it serves construction needs in residential buildings, public buildings, and urban infrastructure projects, supported by pragmatic and stable construction organization and on-site management capabilities. Currently, the enterprise remains legally operational and possesses basic commercial registration qualifications. However, no publicly available information confirms that it holds key industry entry permits issued by housing and urban-rural development authorities—such as construction enterprise general contracting or specialized contracting qualification certificates, engineering design qualifications, or work safety production licenses. Additionally, there are no verifiable public records of awarded bidding projects, judicial litigation, patented achievements, participation in standard formulation, or positive mainstream media coverage. Based on currently available information, the company has accumulated practical experience in localized project execution, coordinated material supply, and full-process management support. It is suitable for collaboration on small- and medium-sized residential construction, municipal supporting facilities, renovation of existing buildings, and specialized subcontracting projects—within the scope of its actual capabilities—through cooperation models including general contracting, specialized subcontracting, material supply, and project management services.

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.

DaLianXiangFeng Petrochemical Equipment co.ltd, located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research and development, design, manufacturing, and technical services of special pressure vessels and complete equipment for the petroleum, chemical, and energy sectors. It falls under the specialized equipment manufacturing industry (C35), with a focus on refining & petrochemical equipment and advanced process equipment. The company’s registered capital and paid-in capital are both RMB 50 million. Its registration status is “active,” and it is currently undergoing a critical transition from a regional equipment manufacturer to a professionalized, standardized, and branded service provider.  

The company’s core business involves hydrogenation reactors’ key components and associated skid-mounted systems, serving typical applications such as coal chemical processing, refinery hydroprocessing, natural gas purification, coal-to-oil conversion, and environmentally friendly supercritical water oxidation. Its customer base includes major energy groups and their engineering companies—e.g., Sinopec, CNPC, CNOOC, State Energy Group, Hengli Petrochemical, and Rongsheng Petrochemical.  

Core capabilities include dual-standard design of stationary pressure vessels per ASME Section VIII Division 1 and GB/T 150; manufacturing of Class A1 high-pressure vessels and Class A2 Category III low- and medium-pressure vessels; proprietary technologies such as structural optimization of ultra-high-pressure hydrogen storage and transport vessels, welding of duplex stainless steel resistant to hydrogen sulfide corrosion, and integrated modular skid-mounted reactor systems. The company holds five invention patents and 23 utility model patents. Critical welds undergo 100% radiographic testing (RT) plus phased-array ultrasonic testing (PAUT), meeting NDE Level II or higher requirements.  

Certifications held include: National High-Tech Enterprise Certificate (GR202121000283, re-examined and approved in 2024); Special Equipment Production License (TS2221028-2027); and ISO 9001/14001/45001 integrated management system certifications. All qualifications are verifiable on official platforms.  

Representative projects delivered include: a three-stage separator (15.0 MPa) for CNPC Southwest Oil & Gasfield’s Longwangmiao Gas Purification Plant (H₂S content ≥12%); internal component assemblies for four vacuum gas oil hydrotreating reactors in Hengli Petrochemical’s Dalian Refining & Chemical Integration Project; and localization of high-pressure reactors for the supercritical water oxidation unit at State Energy Group’s Ordos Coal-to-Oil Branch.  

Over the past three years, the company exported pressure vessel components to Kazakhstan and Uzbekistan via general trade terms in 12 batches, totaling approximately USD 2.86 million. Public records do not indicate that the company has obtained the ASME “U” stamp, PED certification, or established overseas entities. Its international business remains primarily export-oriented, supporting technical solution alignment, supply of core equipment, and collaborative localization implementation.