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Dalian Yushengtian Equipment Manufacturing Co., Ltd., located in the Jinpu New Area of Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research, development, and manufacturing of industrial automation equipment, precision conveying systems, and customized non-standard machinery. Established in 2003, the company has a registered capital and paid-in capital of RMB 12 million, employs 217 people, with R&D and technical personnel accounting for 41.5% of total staff; its average R&D investment as a percentage of revenue over the past three years stands at 7.3%. Its core business covers intelligent conveying system integration for coal chemical and fine chemical production lines; automated logistics units supporting new-energy battery material production equipment; intelligent warehousing and sorting equipment for chemical environmental protection engineering; and customized delivery of modular accumulation-type conveying platforms targeting customers in the petrochemical and new materials sectors. Key clients include FAW Group, BYD, CATL’s supply chain ecosystem, and DENSO’s Chinese supporting manufacturers. Its core technological capabilities center on integrated mechatronic-software solutions: hardware utilizes Siemens S7-1500 PLC combined with Beckhoff EtherCAT bus architecture; software features the self-developed YUS-OS equipment collaborative control platform (V3.2.1), certified by MIIT for compatibility with China’s information technology innovation (ITI) ecosystem. The company holds four authorized invention patents and 27 utility model patents, primarily applied to high-precision synchronous belt tension adaptive control, multi-station flexible switching positioning, and dynamic tray correction systems for lithium-ion battery modules—already deployed on CATL’s Jiangsu Base Phase II PACK line. The company maintains ISO 9001:2015, ISO 14001:2015, and GB/T 45001:2020 management system certifications; holds the “Special Equipment Production License” (crane manufacturing, TS2421033-2026); and is certified under IATF 16949:2016 for automotive quality management systems. It passed the re-evaluation for High-Tech Enterprise status in 2023 (Certificate No.: GR202321201026). Representative projects include: delivery in 2022 of the conveying system for FAW Jiefang J7 cab body welding line (contract value RMB 28.6 million; cycle time ≤90 seconds per unit); and construction in 2024 of the automatic loading/unloading unit for BYD’s Xiangyang base blade-battery tab-cutting line (incorporating 3D vision guidance and servo-based precise positioning subsystems, achieving 100% first-time acceptance pass rate). The company possesses the capability to provide localized maintenance, repair, and remote diagnostic services for conveying systems at VinFast’s Haiphong factory in Vietnam, and continuously supplies OEM components to Japan’s Yushengtian Co., Ltd., having obtained conformity verification against Japan’s JIS B 8201-2019 Industrial Machinery Safety Standard (AIST-TR-2023-0887).

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 Yongfeng Gas Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a high-tech enterprise specializing in the production, filling, storage, sale, and supporting technical services of industrial gases. It operates within the specialty gas subsector of the chemical raw materials and chemical products manufacturing industry and is currently in a stable development phase, with both its registered capital and paid-in capital amounting to RMB 5 million. The company’s core business includes the production and filling of oxygen, nitrogen, argon, carbon dioxide, acetylene, hydrogen, and mixed gases; it also engages in hazardous chemicals trading (under valid license), sales and maintenance of gas equipment, and primarily serves customers along the equipment manufacturing industry chain in Northeast China—including some suppliers for Dalian Heavy Industry & Crane Group, CRRC Dalian Locomotive & Rolling Stock Co., Ltd., and Dalian Shipbuilding Industry Group. The company possesses customized supply capabilities for small- to medium-batch, multi-variety gases applicable to coal chemical processing, high-end equipment manufacturing, precision welding, metal heat treatment, and medical gas supply. The enterprise has established standardized filling stations compliant with GB 50030-2013 “Design Code for Oxygen Stations” and GB 50177-2005 “Design Code for Hydrogen Stations,” equipped with an automatic gas analyzer (GC-9560-PDD) and a laser Raman spectroscopy purity detection system, enabling full-chain digital quality control—from raw gas inspection and filling process control to finished product release—thereby ensuring stable supply of high-purity industrial gases such as 99.999% electronic-grade nitrogen and 99.99% medical oxygen. The company holds the “Work Safety Production License” (Liaoning D Anxu Zheng Zi [2021] No. 02-0072), the “National Industrial Product Production License” (XK13-014-00045), and the “Gas Cylinder Filling License” (Liaoning Quality Supervision Special Equipment Permit Zi [2020] No. 02003), covering three categories of media: permanent gases, liquefied gases, and dissolved acetylene. It has also obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q41232R1M). Public records indicate no granted invention patents or national-level science and technology project approvals; nor does the company disclose any overseas investment, export activities, or overseas branches. Its business coverage is concentrated in southern Liaoning Province, centered on Dalian and extending to Yingkou, Anshan, Dandong, and other cities, operating under a service model combining “regional direct delivery” and “designated warehousing,” supporting standardized hazardous chemicals transportation and technical-coordinated delivery.

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 Tengdayun Building Decoration Engineering Co., Ltd. is a regional private construction enterprise established in 2020, specializing in building construction and municipal public works construction. Its core business covers livelihood-oriented infrastructure sectors including urban renewal, supporting facilities for subsidized housing, infrastructure for industrial parks, and renovation of aging residential communities. Project implementation is concentrated in Dalian City and the southern Liaoning region. The company holds multiple qualifications, including Grade II General Contracting Qualification for Building Construction, Grade II General Contracting Qualification for Municipal Public Works Construction, Grade II Specialized Contracting Qualification for Building Decoration and Renovation Engineering, Grade II Specialized Contracting Qualification for Waterproofing, Anti-Corrosion, and Thermal Insulation Engineering, and Grade II Specialized Contracting Qualification for Fire Protection Facilities Engineering. It also holds a valid Work Safety Production License (Liaoning JZ Anxuke Zihao [2019] No. 020249), and its qualification system fully complies with implementation requirements for medium-sized government-investment projects. Since 2020, the company has continuously participated in publicly tendered projects on the Liaoning Provincial Public Resources Trading Platform and has successfully won bids and fulfilled several representative projects, including: the Dalian Ganjingzi District Dilapidated Housing Renovation and Resettlement Housing Project (Construction Lot III); the expansion and reconstruction project of a school in Dalian High-Tech Zone (as an EPC consortium member); the Pulandian District Rural Water Supply Security Project (Pipeline Construction Lot II); and the Jinpu New Area Subsidized Rental Housing Supporting Municipal Road Project (winning bid price approximately RMB 42.6 million). Progress reports for all projects have been submitted via the “National Construction Market Supervision Public Service Platform,” and performance records are clear and verifiable. The company’s service scope focuses on urban construction tasks led by local governments within Liaoning Province, engaging in cooperation through various models—including general contracting, specialized subcontracting, participation as an EPC consortium member, and construction labor subcontracting—with the aim of delivering stable, compliant, and reliable engineering construction services to improve regional public infrastructure and living environments.

Dalian Sunshine Procurement Service Co., Ltd. (registered address: Dalian, Liaoning Province) is a state-controlled, professional sunshine procurement service platform established under the leadership of the Dalian Property Rights Exchange Group and officially registered and approved by the Dalian Municipal Market Supervision Administration. It serves as a key vehicle for extending the public resources trading system into market-oriented procurement services and is currently in the stage of scaled operations and deepened regional service capability development. The company’s core business focuses on providing end-to-end electronic procurement agency services to state-owned enterprises, universities and research institutes, and large private enterprises in the chemical industry and related fields. Typical application scenarios cover specialized areas including coal chemical engineering, procurement of petrochemical engineering materials, tendering for fine chemical equipment, procurement of instruments for new materials R&D, and procurement of environmental protection and remediation technical services. Its core capabilities are embodied in its self-developed “Sunshine Cloud Procurement” electronic procurement platform (Version 4.2.0), which supports mutual recognition among multiple Certificate Authorities (CAs), blockchain-based evidence preservation (already connected to the Dalian Municipal Blockchain Public Service Platform), and an AI-driven bid-rigging detection model (trained on 126,000 procurement records). This platform enables full-chain closed-loop management—from demand submission, plan filing, procurement method determination, bid opening and evaluation monitoring, to contract performance evaluation—and is complemented by on-site procurement consultant teams offering compliance auditing and process optimization services. The company has obtained ISO 9001 Quality Management System, ISO 20000 Information Technology Service Management System, and ISO 27001 Information Security Management System certifications; holds the “Value-Added Telecommunications Business Operating License” (Category B21) issued by the Liaoning Provincial Communications Administration; and is listed in the Dalian Municipal Public Resources Trading Center’s directory of procurement agencies. Its procurement processes are integrated into the Liaoning Provincial Integrated Public Resources Trading Platform, enabling full-chain on-platform evidence preservation and traceability. Representative achievements include serving as procurement agent for over RMB 20 billion annually for three consecutive years under the centralized procurement catalog of enterprises supervised by the Dalian SASAC; completing the framework agreement procurement of engineering materials for Dalian Metro Line 5 (contract value: RMB 1.87 billion); and executing the special equipment procurement project for Dalian University of Technology’s “Double First-Class” initiative (covering 127 departments and 423 procurement packages). Publicly available information does not indicate any overseas registration, execution of international projects, or provision of procurement services in countries along the Belt and Road Initiative; international cooperation remains at the exploratory stage, with no substantive overseas presence established to date.

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 Fuzhouwan Salt Field Wudao Chemical Factory is located in Pikou Subdistrict, Pulandian District, Dalian City, Liaoning Province. It is a wholly owned subsidiary of Dalian Yanhua Group Co., Ltd., established in 2003. The company operates in the marine resource comprehensive utilization and fine chemical manufacturing sectors—industries explicitly encouraged by the Chinese government. Currently, it is in a development phase emphasizing both stable operations and technological upgrading. Its registered capital is RMB 50 million, and its corporate status is “in existence.”  

The company’s core business focuses on the research and development, production, and sales of marine chemical products. Its key products include industrial bromine (annual capacity: 3,000 tons), sodium bromide, calcium bromide, and magnesium chloride—bromine- and magnesium-based inorganic chemical raw materials widely applied in flame retardants, pharmaceutical intermediates, oilfield auxiliaries, and water treatment chemicals. Its core technology is based on a counter-current multi-stage air-blowing–acidification–absorption–purification process chain, featuring proprietary intellectual property rights in efficient enrichment of marine brine and low-temperature distillation for bromine extraction. The company holds one invention patent titled “A Method for Continuous Bromine Extraction from Bittern Seawater” (Patent No.: ZL201810294567.3) and four utility model patents, totaling five patents. Its bromine recovery rate reaches 96.8%, exceeding the industry average of 92%; its comprehensive energy consumption per unit product is reduced by 18.3% compared to traditional processes.  

The company has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q31234K5) and the “National Industrial Product Production License” (XK13-014-00128). Its bromine products comply with the national standard GB/T 1280-2021 and passed the Clean Production Audit Verification conducted by the Liaoning Provincial Department of Ecology and Environment in 2024.  

Notable achievements include supplying customized bromide raw materials to listed companies such as Jiangsu Yak Technology Co., Ltd. and Shandong Tian’an Chemical Co., Ltd.; participating in Sinopec Shengli Oilfield’s “Domestic Substitution of High-Density Calcium Bromide Kill Fluid” project (2023–2025), where its supplied calcium bromide solution meets API RP 13I standards; and jointly establishing the “Joint Laboratory for High-Value Utilization of Marine Brine Resources” with Dalian University of Technology in 2024, undertaking the Liaoning Provincial Key R&D Program project titled “Key Technologies for Synergistic Extraction of Bromine and Magnesium from Low-Grade Brine.”  

Its products are exported to South Korea, India, and Southeast Asian countries, with export revenue amounting to approximately RMB 21 million in 2025, primarily shipped via Dalian Port through foreign trade agents, conforming to SN/T 2107-2022 and REACH regulation pre-registration requirements. Domestically, its products serve 23 downstream enterprises across Liaoning, Shandong, Jiangsu, and Zhejiang provinces, achieving a customer repeat-purchase rate of 86.4%. Public records indicate that the company does not hold engineering design qualifications, EPC general contracting capability, or overseas branches; its primary cooperation models include raw material supply, technology licensing, and joint R&D.

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 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.