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Dalian Hongyuan Gas Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a high-tech enterprise specializing in the production, filling, storage, sales, and technical services of industrial gases. Its industry classification is “Manufacture of Chemical Raw Materials and Chemical Products” (C2613). The company is currently in a stable operational phase with focused regional development. Its registered capital is RMB 10 million, fully paid-in, and its business status is “in operation.”  

The company’s primary products include oxygen, nitrogen, argon, carbon dioxide, acetylene, hydrogen, liquefied petroleum gas (LPG), mixed standard gases, and specialty electronic-grade gases. Its services cover industries such as mechanical manufacturing, shipbuilding and heavy industry, automotive welding, food preservation, medical health, semiconductor packaging, and environmental testing. It holds a relatively high market share in the niche markets of shipbuilding and welding gases in Northeast China.  

The enterprise possesses a three-stage purification capability—cryogenic separation, membrane separation, and adsorption purification—enabling stable supply of electronic-grade nitrogen with purity ≥99.9999%, “Haidun” marine ternary shielding gas (Ar/CO₂/O₂ ratio adjustable), and an online trace-impurity analysis system (detection limit reaching the ppq level). It employs a PLC + SCADA digital filling platform to achieve full lifecycle traceability of gas cylinders. The company holds five utility model patents and has led or participated in developing local and group standards, including the “Technical Specification for High-Purity Nitrogen for Industrial Use” (DB21/T 3782–2023).  

It has obtained the following certifications and licenses:  
- Dangerous Chemicals Safety Production License (Liaoning WH Safety Permit No. [2023] 02-0037);  
- Gas Cylinder Filling License ((Liaoning) TS4221025-2026);  
- Radiation Safety License (Liaoning Environmental Radiation Permit No. [2022] 0987);  
- ISO 9001, ISO 14001, and ISO 45001 management system certifications.  

Representative achievements include:  
- Since 2020, providing customized welding shielding gas solutions to Dalian Shipbuilding Industry Group Co., Ltd. continuously for five years, supporting segment construction of China’s first domestically built large cruise ship;  
- In 2024, completing bulk supply of helium leak-detection specialized mixed gas for new-energy battery packs to CRRC Dalian Locomotive & Rolling Stock Co., Ltd.;  
- In 2025, winning the bid for the three-year operation and maintenance service project of the nitrogen system supporting the Dalian Clean Energy Group LNG receiving station.

Dalian Hongsheng Construction Engineering Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a growth-oriented construction enterprise rooted in the local region and focused on building construction and municipal public works. The company’s core business covers construction of supporting infrastructure for chemical industrial parks; construction of front-area facilities and auxiliary infrastructure for petrochemical and fine chemical enterprises; construction of environmental protection treatment plants and related structures; installation of mechanical and electrical equipment for chemical projects; and construction of steel-structure factories. Its primary clients are small- and medium-sized chemical, new-materials, and environmental-protection enterprises based in Dalian and throughout Liaoning Province. The company’s core capabilities include holding multiple construction qualifications approved by the Ministry of Housing and Urban-Rural Development: Grade III General Contracting Qualification for Building Construction (Certificate No. D321082008); Grade III General Contracting Qualification for Municipal Public Works; Grade II Specialized Contracting Qualification for Building Decoration and Renovation; and Grade III Specialized Contracting Qualification for Steel Structure Engineering. These qualifications enable the company to independently undertake medium-scale civil and electromechanical integrated construction tasks for chemical-related facilities—including factory buildings, pipe rack foundations, pumping stations, wastewater treatment structures, and transformer substations—covering the full project delivery process from drawing detailing, on-site construction, to single-unit commissioning. All its construction enterprise qualification certificates are issued by the Department of Housing and Urban-Rural Development of Liaoning Province. Representative projects include: (1) the outdoor supporting engineering works (including water supply and drainage, electrical systems, roads, and ancillary facilities) for a resettlement housing project in Ganjingzi District, Dalian City, awarded in 2022 with a winning bid amount of approximately RMB 12.8 million; and (2) the renovation and reconstruction of a factory building in a high-tech industrial park in Dalian High-Tech Zone, completed in 2023, involving structural reinforcement, pre-buried process piping, and mechanical and electrical installation, with a winning bid amount of approximately RMB 9.6 million. Both projects fall under the category of supporting infrastructure for chemical-industry-linked industrial parks.

Dalian Hengshun Wantong Industrial Equipment Co., Ltd. was established in January 2012. It is an enterprise specializing in the research and development, manufacturing, sales, and technical services of industrial equipment, and has obtained international management system certifications including ISO 9001, ISO 45001, and ISO 14001.  
Our company has engaged in in-depth cooperation with numerous well-known domestic and international enterprises. For many years, we have consistently prioritized meeting customer needs as our fundamental objective, providing customers with professional equipment solutions better suited to their practical requirements. Through continuous efforts, progress, and exploration over the years, our company has achieved steady development in the following business areas: R&D and manufacturing of fluid equipment; equipment maintenance, repair, and major overhauls; equipment management; service outsourcing; and sales and services of internationally renowned industrial brand products. Our business covers multiple industries, including metallurgy, ports, rubber and plastics, automotive, tires, power generation, machine tools, and pharmaceuticals. We have established long-term, stable cooperative relationships with numerous well-known enterprises such as Huarui Heavy Industry, Dalian Rubber & Plastics Machinery Group, Goodyear Tire, SKF Bearings, Chery Automobile, and FAW-Volkswagen. With our high-quality products and comprehensive services, we have become a trusted partner for our customers.  
Meanwhile, our company possesses a highly competent technical team with extensive project experience. We emphasize industry innovation as well as the recruitment and training of talent, adhering to our corporate mission of “achieving success for customers, building strong brands, and empowering employees,” and following our corporate philosophy of “integrity builds quality; innovation leads the future.” By integrating excellent management practices, we provide customers with more professional and comprehensive services.  
Core Business: Dalian heat exchanger cleaning, Dalian Alfa Laval heat exchangers, Dalian hydraulic cylinder repair.

Dalian Hengkun New Materials Co., Ltd., located in the Jinpu New Area of Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research and development, production, and customized supply of high-performance inorganic non-metallic functional materials. The company is currently advancing concurrently in large-scale mass production and downstream application expansion. Its core business covers critical foundational materials, including electronic-grade spherical alumina powder, aluminum nitride thermal conductive fillers, and micron-/sub-micron-scale composite ceramic powders for low-temperature co-fired ceramic (LTCC) substrates. These products are primarily applied in high-end electronic manufacturing scenarios such as 5G communication base station filters, power module packaging for new-energy vehicles, LED heat-dissipation substrates, and dielectric layers of high-end multilayer ceramic capacitors (MLCCs). The company possesses end-to-end process capabilities spanning powder morphology control, plasma melting-atomization preparation, and synergistic surface modification using silane coupling agents. It has achieved stable annual production capacity of 300 tons per production line for electronic-grade spherical alumina, with product purity ≥99.99%, D50 particle size control accuracy of ±0.1 μm, and sphericity ≥95%; these specifications have been verified by third-party testing conducted by the Institute of Metal Research, Chinese Academy of Sciences. The company holds 12 authorized invention patents and 9 utility model patents; among them, the invention patent “Plasma Melting-Atomization Method for Preparing High-Purity Spherical Alumina” (Patent No.: ZL202111023456.2) has already been industrialized. The company has obtained certifications for ISO 9001:2015, ISO 14001:2015, and IATF 16949:2016; it also holds the “High-Tech Enterprise Certificate” (GR202221200468), the Liaoning Provincial Enterprise Technology Center designation (Document No.: Liao Industrial and Information Technology [2023] No. 189), the “Level-III Standardized Safety Production Enterprise (Machinery)” certificate (Document No.: Liao Emergency Evaluation [2024] No. 103), and inclusion in the “Liaoning Province Key New Materials First-Batch Application Demonstration Guidance Catalogue (2024 Edition)” (Document No.: Liao Industrial and Information Technology (Materials) [2024] No. 112). Representative achievements include supplying alumina precursor powders for LTCC applications and modified aluminum nitride thermal conductive pastes to institutions and enterprises such as the 13th Research Institute of China Electronics Technology Group Corporation (CETC), Fenghua Advanced Technology (Group) Co., Ltd., and BYD Semiconductor Co., Ltd. Spherical alumina powder supplied for a domestic 5G RF front-end module has passed Huawei HiSilicon’s AEC-Q200 reliability verification and entered the pilot-production installation phase.

Dalian Heng'an Safety Technology Consulting Co., Ltd., located in Shahekou District, Dalian City, Liaoning Province, is a professional institution specializing in safety and occupational health technical services. It is a light-asset, knowledge-intensive safety consulting enterprise with registered capital of RMB 3 million. Since its establishment in 2013, the company has remained continuously operational, with no judicial risks or business anomalies recorded. The company’s core business covers full-cycle safety compliance support for the chemical industry, focusing on high-risk sectors including petroleum refining, chemical raw materials and chemical manufacturing, pharmaceutical manufacturing, and metal and non-metallic mineral mining and processing. Typical clients include storage units affiliated with Hengli Petrochemical (Dalian) Refining Co., Ltd., Dalian Bingshan Group, subsidiaries under Wafangdian Bearing Group, and numerous small- and medium-sized hazardous chemicals trading enterprises. Its core capabilities lie in end-to-end safety evaluation and occupational health technical service delivery, possessing comprehensive technical execution capabilities covering pre-evaluation of safety, specialized review of safety facility design documentation, safety acceptance evaluation, current status evaluation, pre-evaluation of occupational disease hazards, evaluation of control effectiveness, and workplace hazard factor testing. Its approved scope of business encompasses typical chemical industry scenarios such as LNG peak-shaving stations, refinery-supporting storage and transportation facilities, and pilot-scale fine chemical production installations. The company holds the “Safety Evaluation Institution Qualification Certificate” (APJ-(Liao)-007) issued by the Liaoning Provincial Department of Emergency Management, valid until January 2027; it also holds the “Occupational Health Technical Service Institution Qualification Certificate” (Liao Wei Zhi Ji Zi [2022] No. 048) issued by the Liaoning Provincial Health Commission, and has obtained ISO 9001:2015 Quality Management System Certification (issued by China Quality Certification Center, Certificate No.: 02622Q30273R3M), covering the entire process of safety evaluation, occupational health technical services, and occupational safety management consulting. Over the past three years, the company has completed more than 180 safety evaluation projects. Notably, its “Pre-evaluation of Safety for an LNG Peak-Shaving Station Construction Project on Changxing Island” undertaken in 2024 was selected by the Liaoning Provincial Department of Emergency Management as an outstanding evaluation case of the year.

Dalian Washin Coatings Co., Ltd. is located in the Jinpu New Area of Dalian City, Liaoning Province. Established in 2003, it is a national high-tech enterprise with registered and paid-in capital both amounting to RMB 10 million. The company specializes in the research, development, production, and sales of industrial protective coatings and belongs to the chemical raw materials and chemical products manufacturing industry (C26). Its business model is technology-driven manufacturing coupled with engineering support services. The company’s core offerings include high-performance anti-corrosion coatings and environmentally friendly industrial coating solutions. Its product portfolio covers heavy-duty anti-corrosion primers (epoxy zinc-rich, inorganic silicate zinc), intermediate coats (epoxy micaceous iron oxide), topcoats (acrylic polyurethane, fluorocarbon, organic silicone heat-resistant), and specialty functional coatings (conductive static-dissipative, fire-retardant, antimicrobial). Typical application scenarios include wind turbine towers, marine engineering equipment, port machinery, petrochemical storage tanks, and rail transit vehicles. The company holds three authorized invention patents and seven utility model patents, all with the company as the sole patent holder. Its technological development focuses on low-VOC waterborne formulations, graphene enhancement, bio-based polyol substitution, and solvent-free systems. It possesses full-chain capabilities spanning formulation development, pilot-scale validation, and stable mass production. It provides comprehensive coating system solutions, including material selection, construction process guidance, on-site technical support, and service life assessment. The company 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 holds the “Work Safety Production License” (Liaoning WHAQXZ No. [2021] 02-0307), authorizing production of hazardous chemical coatings; additionally, it has received the “Green Coating Product Certification” from the China Coatings Industry Association and REACH SVHC and RoHS compliance reports issued by SGS. From 2021 to 2023, it served as a supplier of corrosion protection coatings for wind turbine towers to Dalian Shipbuilding Industry Group Co., Ltd. for three consecutive years, delivering over 1,200 metric tons cumulatively. In 2022, it was selected as the designated supplier for the “China-Russia East-Route Natural Gas Pipeline Liaoning Section Station Structural Steel Corrosion Protection Project” undertaken by China National Petroleum Pipeline Network Group Co., Ltd. It participated in drafting the group standard “Technical Specification for Long-Term Anti-Corrosion Coatings for Wind Power Generation Equipment” (T/CPCIF 0215–2024) and served as a principal drafting entity. The company has obtained customs export registration qualification (Registration Code: 2102960A1H); its export value in 2023 amounted to RMB 8.62 million, with products shipped to Vietnam, Indonesia, and the United Arab Emirates for corrosion protection of port container gantry cranes and photovoltaic support structure coating projects. It possesses supporting documentation for EU CE marking self-declaration and is capable of engaging in technology licensing plus localized engineering implementation cooperation.

Dalian Haobang Chemical Co., Ltd., located in the Jinpu New Area of Dalian City, Liaoning Province, is a national high-tech enterprise primarily engaged in the research, development, production, and sales of fine chemicals. Its industry classification is Chemical Raw Materials and Chemical Products Manufacturing (C26). The company focuses on the industrialization of water treatment chemicals, industrial cleaning agents, metal surface treatment auxiliaries, and environmentally friendly functional additives, and is currently in a stage of scaled growth. Its core business covers green upgrades of thermal power and metallurgical circulating water systems; low-temperature scale removal and corrosion inhibition protection for petrochemical equipment; metal passivation treatment for steel production lines; and biodegradable industrial cleaning solutions. Its clients include 12 central enterprises and local backbone industrial enterprises, such as China Energy Group, China Huadian Corporation, and Anshan Iron and Steel Group. The company possesses independent R&D capabilities for green formulations and has mastered optimized synthesis processes for polyhydroxy organic phosphonates, compound low-temperature high-efficiency corrosion inhibitors, and green preparation pathways for phosphorus-free water stabilizers. It holds six authorized invention patents and twelve utility model patents. Its flagship product, HB-802 phosphorus-free composite water treatment agent, has passed the scientific and technological achievement appraisal conducted by the China Petroleum and Chemical Industry Federation and is recognized as reaching a domestic leading level. The company is certified under ISO 9001:2015 Quality Management System, ISO 14001:2015 Environmental Management System, and ISO 45001:2018 Occupational Health and Safety Management System. It holds the “Work Safety Production License,” “National Industrial Product Production License,” “Hazardous Chemicals Registration Certificate,” and qualification as a Liaoning Provincial Enterprise Technology Center. Its high-tech enterprise status remains valid (Certificate No. GR202321000476, valid until December 2026). Representative projects include the green upgrade project for the circulating water system at the Ansteel Bayuquan Base (2023–2025), which achieves an annual reduction of 42 tons of phosphorus emissions and has been recommended as a Liaoning Province “Green Manufacturing Demonstration Project.” The company has participated in drafting industry standard HG/T 5114-2016 and provincial standard DB21/T 3822-2023. Its products have passed EU CE certification and U.S. NSF/ANSI 60 drinking water standards testing, and are exported to 11 countries including South Korea, Vietnam, Thailand, and Russia. In 2025, its export revenue amounted to RMB 28.6 million, accounting for 31.2% of total revenue. Through its exclusive distribution agreement with Brenntag Group (Asia-Pacific Region), the company coordinates overseas expansion of technical solutions and localized services.

Dalian Ocean University, located in Dalian City, Liaoning Province, is a public, full-time regular higher education institution jointly established by the Ministry of Agriculture and Rural Affairs and the Liaoning Provincial Government. It is a multidisciplinary university with distinctive strengths in marine science and fisheries, enrolling approximately 17,000 full-time students and employing nearly 900 full-time faculty members, of whom 72.6% hold doctoral degrees. The university does not engage in chemical manufacturing or trade. However, leveraging its long-standing expertise in marine biological resource development, deep processing of aquatic products, food science and engineering, marine environmental governance, and recirculating aquaculture systems engineering, it provides technical research and development, process optimization, pilot-scale verification, standard formulation, and engineering implementation support services for interdisciplinary fields including marine chemical engineering, bio-based chemicals, functional materials derived from algae, marine enzyme preparations, seawater desalination, and resource recovery and utilization. The university possesses capabilities in designing and integrating industrial-scale recirculating aquaculture systems (RAS) for marine fish and holds lead or participatory drafting qualifications for seven national, industry, or local standards—including the “Technical Specification for Industrial Recirculating Aquaculture Systems for Marine Fish” (SC/T 1155–2022). It operates a CNAS-accredited analytical testing center (L17293) and holds ISO 9001 Quality Management System Certification (00122Q31236R6M), enabling issuance of internationally mutually recognized test reports. The university hosts 12 provincial-level or higher scientific research platforms, including the Key Laboratory of Fishery Resource Assessment and Management under the Ministry of Agriculture and Rural Affairs, the Key Laboratory of Marine Surveying, Mapping, and Geospatial Information (co-established with the Ministry of Natural Resources), and the Liaoning Provincial Key Laboratory of Northern Marine Aquaculture and Enhancement. Over the past five years, it has led more than 180 national-level projects—including key R&D programs under the National Key R&D Program and projects funded by the National Natural Science Foundation of China—and has been granted 367 invention patents. It has completed industrial demonstration of key technologies for land-based, full-cycle RAS farming of Atlantic salmon and breeding of the nationally certified scallop variety “Penglaihong No. 3.” It has undertaken preparation of the technical support report for the “Action Plan for Conservation of Fisheries Resources in China’s Coastal Waters (2025–2030).” It has jointly established laboratories with institutions such as the Norwegian University of Life Sciences and Pusan National University (South Korea), and has undertaken two international cooperation projects under the Ministry of Science and Technology’s intergovernmental program. The university possesses cross-lingual and cross-standard capabilities for technology licensing and collaborative engineering implementation, delivering services across 21 countries, including Russia, Indonesia, and Pakistan.

Dalian Hiscien Engineering Co.,Ltd. is registered in Ganjingzi District, Dalian City, Liaoning Province. It is a technology-driven high-tech enterprise specializing in marine engineering equipment technical services and intelligent control system integration. Established in 2003, the company has a registered capital and paid-in capital of RMB 10 million. Its business status is “in operation.” It has been consecutively recognized for multiple years as a Liaoning Provincial Science and Technology-based Small and Medium-sized Enterprise (SME) and a Dalian Municipal “Specialized, Refined, Distinctive, and Innovative” SME.  

The company’s core businesses focus on: design and delivery of offshore platform monitoring systems; intelligent retrofitting of marine propulsion systems; development of industrial field data acquisition and edge computing platforms; and full-lifecycle digital twin operation & maintenance solutions for marine engineering equipment. Its clients include central state-owned enterprises and local backbone enterprises such as China Oilfield Services Limited (COSL), China Merchants Energy Shipping Co., Ltd., Guangzhou Shipyard International Co., Ltd., and Wuchuan Group Corporation. Its services also extend to engineering scenarios strongly associated with chemical process safety and energy efficiency, including coal chemical industry applications, LNG dual-fuel vessel energy efficiency optimization, and intelligent inspection of FPSO engine rooms.  

The company possesses a three-tier architectural capability spanning: the sensor layer (self-developed highly corrosion-resistant MEMS inclinometer/vibration modules); the edge gateway layer (HX-EdgeBox series, certified for electromagnetic compatibility per IEC 61850-3); and the platform layer (Haixin iMarineOS v4.1, supporting dual-protocol connectivity via OPC UA and MQTT), enabling millisecond-level response and predictive maintenance. It holds six valid invention patents, 18 utility model patents, and 23 software copyrights. Among these, the “Offshore Platform Structural Health Monitoring System V3.2 Based on Multi-source Heterogeneous Sensor Fusion” received the Second Prize of the China Navigation Society’s 2024 Science and Technology Progress Award and has been deployed in the real-time safety assessment project for COSL’s Bohai jacket platform.  

The company has obtained certification under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. It holds the “Approval Certificate for Special Equipment Inspection and Testing Institutions” (TS7721001-2027) and the “Filing Certificate for Security Confidentiality Conditions for Military Industry-Related Business Consulting Services” (Liaojunzi Bei [2022] No. 079). It has been selected into the Ministry of Industry and Information Technology’s (MIIT) Key “Little Giant” Enterprise Cultivation Database for the Marine Engineering Equipment Sector (2025–2027).  

In 2023, it completed the integrated delivery of China Classification Society (CCS)-certified AI inspection robot system for the engine room of the FPSO “Haiyang Shiyou 119,” the first such domestic system. In 2024, it undertook construction of the energy efficiency optimization platform for the propulsion system of Dalian Shipbuilding Industry Company’s LNG dual-fuel bulk carrier, obtaining the DNV GL Eco Design Compliance Statement. Its service network covers the Bohai Rim, the Yangtze River Delta, and the Guangdong-Hong Kong-Macao Greater Bay Area. It has passed the supplier qualification audit by DNV (Det Norske Veritas) and exported monitoring system components to Keppel Offshore & Marine in Singapore. It has also completed the localization replacement and retrofitting of the propulsion monitoring system for aging tugboats at Da Nang Shipyard in Vietnam, demonstrating its capability for marine engineering digital delivery in ASEAN markets. Cooperation models include technology licensing plus engineering implementation, joint laboratory establishment, EPC subcontracting, and customized system integration services.

Dalian Guotie Equipment Manufacturing Co., Ltd., located in the Jinpu New Area of Dalian City, Liaoning Province, is a state-controlled manufacturing enterprise affiliated with CRRC Corporation Limited (A-share code: 601766). The company focuses on research and development, manufacturing, and maintenance services for critical components of railway locomotives and rolling stock. It operates stably at a large scale and is neither a startup nor a company undergoing transformation. Its core business is strictly confined to the rail transit equipment supporting sector and does not involve direct applications in chemical engineering. However, capabilities accumulated by the company—such as high-end metal structural component manufacturing, fatigue-life control under complex operating conditions, high-precision non-destructive testing, and major-overhaul-level remanufacturing technical services—can be extended to support scenarios in coal chemical and petrochemical industries requiring highly reliable pressure-bearing/moving components, heavy-duty steel structural modules, and specialized maintenance processes. The company possesses full-process manufacturing capability for bogie frames, brake discs, wheelset assemblies, suspension devices, and carbody steel structural modules. It employs Q500E high-strength steel, narrow-gap submerged arc welding, and localized heat treatment; the fatigue life of its bogie frames exceeds 12 million cycles (complying with TB/T 1335-2018). The company hosts a provincial-level enterprise technology center certified by Liaoning Province and holds 12 valid invention patents and 47 utility model patents, two of which have been industrialized. It is certified under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018, and holds the “Railway Transport Infrastructure Equipment Manufacturer License” (TXZ2020-037) issued by the National Railway Administration and the CRCC Railway Product Certification (CRCC10222001234). Since 2018, it has continuously supplied over 1,200 bogie frames for the HXN3B shunting locomotive to CRRC Dalian Co., Ltd. From 2021 to 2024, it undertook maintenance and remanufacturing of brake caliper units for the Fuxing intelligent EMU CR400AF-Z, averaging over 800 units annually. Additionally, it provides non-disassembly wheelset ultrasonic testing and service-life assessment services for 12 primary locomotive models—including DF4D and HXD3C—for six railway bureaus, including Beijing, Xi’an, and Chengdu.