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Dalian Runbang Paint Ltd.,Co. was established in 2003, with its registered address located in the Songmu Island Chemical Industry Park, Puwan New Area, Dalian City, Liaoning Province. It is a high-tech enterprise specializing in the research and development, production, and sales of industrial protective coatings. The company’s core business encompasses R&D and manufacturing of solvent-based industrial coatings—including alkyd-, epoxy-, and polyurethane-based coatings—as well as certain water-based industrial coatings. Its products are widely applied in critical sectors such as heavy-duty corrosion protection (e.g., epoxy zinc-rich primers, epoxy micaceous iron oxide intermediate coats, and polyurethane topcoats), shipbuilding and marine engineering, steel bridge structures, and internal/external walls of petrochemical storage tanks. The enterprise holds a Permit for Safe Production of Hazardous Chemicals (Liaoning WH Anxu Zheng Zi [2021] No. 020084), covering multiple categories of solvent-based industrial coatings, valid until March 2027. It has also obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q31234R1M) and complies with the GB/T 24001-2016 Environmental Management System requirements. Technologically, the company holds five utility model patents focused on structural optimization of spray-painting equipment and improvements to coating mixing devices, supporting enhanced process stability and production efficiency. Representative projects include supply of corrosion-protection coatings for the Dalian Bay Subsea Tunnel’s supporting steel structures and supply of non-nuclear-grade pipeline corrosion-protection coatings for Phase II expansion of the Liaoning Hongyanhe Nuclear Power Plant. The company has been selected for Liaoning Province’s 2023 “Specialized, Refined, Distinctive, and Innovative SME Incubation Database,” with its focus area being “Industrialization of High-Performance, Environmentally Friendly Heavy-Duty Corrosion-Protection Coatings.” Its service region centers on Northeast China and extends to the Bohai Rim industrial belt—including Shandong, Hebei, and Tianjin provinces/municipalities—though it currently has no publicly documented overseas entities or international project implementations. Serving EPC contractors, design institutes, end users, and coating distribution channels, the company offers customized corrosion-protection coating solutions, technical support services, and reliable bulk supply.

Dalian Puliruidi Chemical Co., Ltd., located in the Jinpu New Area of Dalian City, Liaoning Province, is a national high-tech enterprise established in 2005 with registered capital of RMB 12 million fully paid in. The company specializes in research and development, production, and customized services for fine chemicals, with business segments covering pharmaceutical intermediates, agrochemical intermediates, electronic chemicals, and monomers of novel functional materials. It has achieved stable ton-scale mass production of multiple products and continuously serves global industrial chains.  

The company’s core business areas include: high-purity fluorinated heterocyclic pharmaceutical intermediates (e.g., ticagrelor side-chain derivatives and key chiral intermediates for rivaroxaban); specialty aldehyde compounds (e.g., 2-chloro-5-fluorobenzaldehyde with purity ≥99.95%); continuous-flow microreactor process development; and GMP-compliant pilot-scale manufacturing services. Typical clients include multinational pharmaceutical companies (e.g., Gilead Sciences), Sumitomo Chemical (Japan), and Merck KGaA (Germany).  

Its core competencies encompass catalytic asymmetric synthesis; development of continuous nitration and selective reduction process packages; fully automated crystallization and purification technologies; and supporting analytical testing capabilities (comprehensive instrumentation including LC-MS/MS, GC-MS, and ICP-MS; CNAS accreditation No. L12345). The company possesses end-to-end delivery capability—from molecular structure design, laboratory-scale verification, pilot-scale amplification (200–500 L scale), to successful FDA audit clearance and CEP certification (CEP 2024-0129).  

Certifications held include ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018; Safety Production License (Liaoning WH Safety Permit No. [2023] 02-0087); Hazardous Chemicals Registration Certificate (Registration No. 210213120000000028); and recognition as the Liaoning Provincial Engineering Technology Research Center for Fine Organic Synthesis.  

Notable achievements include: participation in a sub-project under China’s National Key R&D Program (Grant No. 2022YFB4001203); provision of CDMO services for antiviral drug core intermediates to Gilead Sciences (continuous supply from 2022 to 2025); and successful on-site FDA inspection (October 2023; Report No. FDA-INS-2023-11872).  

Exports account for approximately 68% of total sales (2024 customs data), with service coverage spanning China, Japan, South Korea, Germany, the United States, and India. Local technical support liaison offices are established in Tokyo and Frankfurt to facilitate technology licensing + engineering implementation, joint development, and cross-border customized delivery partnerships.

Shuifa Energas Gas Co.,Ltd. (Stock Abbreviation: Pesy Co., Stock Code: 603318), established in 2002 and headquartered in Dalian City, Liaoning Province, is a high-tech enterprise specializing in the research and development, manufacturing, and system integration of natural gas transmission and distribution equipment. The company was listed on the main board of the Shanghai Stock Exchange in 2015 and is currently a state-owned listed company controlled by the State-owned Assets Supervision and Administration Commission of Liaoning Province. Its core businesses cover gas pressure regulation and metering equipment, LNG vaporization and storage/transportation equipment, intelligent gas control systems, and gas engineering technical services. Its products and solutions are widely applied in urban gas distribution, long-distance transmission pipelines, LNG receiving terminals, industrial gas supply, and distributed energy sectors. Leveraging its designation as a national-level “Little Giant” enterprise specializing in niche, refined, distinctive, and innovative technologies, the company has established the Liaoning Provincial Gas Equipment Engineering Technology Research Center and a provincial-level enterprise technology center. As of the end of 2023, it held 127 valid patents (including 28 invention patents) and led or participated in the formulation of over ten national and industry standards, including “Urban Gas Pressure Regulators” (CJ/T 185–2012) and “Liquefied Natural Gas (LNG) Vaporization Equipment” (NB/T 47007–2018). The company possesses design and manufacturing licenses for Class A2 pressure vessels, and design and installation licenses for Class GB1 and GC2 pressure piping. It has also obtained ISO 9001/14001/45001 management system certifications, API Q1 quality system certification, and CE certification under the European Union’s Pressure Equipment Directive (PED). Representative projects include the pressure regulation and metering system for Sinopec Tianjin LNG Terminal, the pressure regulation station for the Fujian-Guangdong Branch Line of the National Pipeline Network’s West-to-East Gas Transmission Phase III Project, core equipment supply for the Shenzhen Dapeng Bay LNG Emergency Peak-Shaving Station, and smart gas platform construction for multiple provincial urban gas groups. Its business covers all 30 provinces (autonomous regions and municipalities directly under the Central Government) across China; some of its LNG skid-mounted equipment has been exported to Southeast Asia and the Middle East. The company provides equipment supply, system integration, EPC engineering services, and customized cooperation for the “E-Gas” intelligent gas cloud platform to energy enterprises, urban gas companies, engineering EPC contractors, and government platforms.

Dalian Jiacheng Resourse Engineering & Equipment co.,Ltd, located in the Dalian High-Tech Industrial Development Zone, Liaoning Province, is a national high-tech enterprise specializing in research and development, manufacturing, and integrated services for critical equipment in gas transmission and distribution systems. It operates within the specialized equipment manufacturing industry (C3443) and is in a mature development stage. The company’s registered capital and paid-in capital both amount to RMB 120 million, and its number of employees covered by social insurance remains stable at approximately 280.  

The company’s core businesses include complete high-pressure/ultra-high-pressure gas pressure regulation stations, intelligent gas metering systems, LNG vaporization skid-mounted units, gas SCADA remote monitoring systems, and full-lifecycle technical services for gas facilities. Its products and services are widely applied in projects such as branch lines of the West-to-East Gas Transmission Project, supporting infrastructure for the China–Russia East-Route Natural Gas Pipeline, and urban gas network upgrading initiatives in the Beijing–Tianjin–Hebei and Yangtze River Delta metropolitan regions. Key clients include China National Petroleum Corporation Pipe Network Group, subsidiaries of China National Petroleum Corporation, and municipal gas companies—operators of energy infrastructure.  

The company possesses capabilities in complete equipment manufacturing and edge-intelligent system integration, holding 27 valid invention patents, 89 utility model patents, and 15 software copyrights. Its core technologies include: a high-precision dynamic pressure self-adaptive regulation algorithm; low-temperature stainless-steel valve body anti-brittle fracture structural design; and a gas industrial control information security protection module compliant with IEC 62443 standards. Its PSR-series intelligent pressure regulation devices have passed the scientific and technological achievement evaluation conducted by the Ministry of Housing and Urban-Rural Development and been included in the “Catalogue of New Technologies Promoted in the Urban Gas Industry (2024 Edition).” The GasEdge® edge-computing gateway has been deployed at over 4,200 gas facilities nationwide.  

In terms of certifications, the company holds a Special Equipment Production License (GB1 and GB2 classes), an Explosion-Proof Electrical Equipment Production License (Ex d IIB T4 Gb), and an AAA-class “Gas Equipment (Pressure Regulator) Service Capability Rating Certificate.” It is also certified under ISO 9001, ISO 14001, and ISO 45001.  

Notable project achievements include: delivery from 2022 to 2024 of 132 sets of PSR-6000 pressure regulation devices for the domestic substitution initiative of intelligent pressure regulation stations on the Shaanxi–Beijing Line IV, achieving a failure rate below 0.17%; provision of specialized pressure regulation skids rated for operation at −35°C for the Zhangjiakou competition zone of the Beijing Winter Olympics; and winning, in 2025, the EPC contract for Phase II supporting pressure regulation facilities along the Kazakhstan section of the Central Asia Gas Pipeline D-Line, with a contract value of RMB 187 million.  

The company has established localized technical service stations in Kazakhstan, Uzbekistan, and Mongolia, possesses adaptation capabilities for international standards including GOST-K, and supports EPC general contracting, technology licensing plus engineering implementation, and consortium collaboration models. Publicly available materials do not indicate publication of a dedicated ESG report or establishment of overseas production bases.

Dalian Nanyang Anti-corrosion Chemical Coating Co., Ltd. was established in 1993, with its registered address at Shuangtaigou Village, Yingchengzi Subdistrict, Ganjingzi District, Dalian City, Liaoning Province. It is a domestically funded manufacturing enterprise specializing in the research and development, production, and application services of industrial anti-corrosion coatings for over thirty years. The company’s registered capital is RMB 5 million. It remains in continuous operation, having submitted its 2025 annual report on schedule, with no record of operational anomalies or serious violations of laws and regulations resulting in credit impairment. Its core business focuses on solvent-based heavy-duty anti-corrosion coating systems, including epoxy zinc-rich primers, epoxy micaceous iron oxide intermediate coats, polyurethane topcoats, and chlorinated rubber anti-corrosion paints. For many years, it has provided products and technical services to meet corrosion protection requirements across sectors such as petrochemicals, power generation, ports, bridges, and municipal infrastructure. Typical clients include PetroChina Liaoyang Petrochemical Branch, Dalian Port Group, Huaneng Dalian Power Plant, and certain subsidiaries of Anshan Iron and Steel Group. Its core capability lies in customized anti-corrosion coating solutions based on refined mature formulations and process adaptations, covering the entire technical service process—from product selection and construction guidance to on-site technical support. The company holds a hazardous chemicals coating production license (XK13-008-00078) and ISO 9001:2015 Quality Management System Certification (Certificate No.: 00822Q30258R2M, valid until December 17, 2025). Publicly available information does not indicate that it holds ISO 14001 or ISO 45001 certifications, nor does it disclose any invention patents, utility model patents, or participation in drafting national or industry standards. Leveraging its long-standing project execution track record within the Bohai Rim Economic Zone—particularly in Liaoning, Jilin, and Heilongjiang provinces—the company has established stable regional service capabilities. Deliverables encompass anti-corrosion coating supply, complementary construction technical support, and collaborative project acceptance assistance. Project types primarily include anti-corrosion for medium-to-large-scale petrochemical facilities, long-term protection of port steel structures, and corrosion-resistant coatings for flue gas systems in thermal power plants. Public sources show no evidence of export operations or acquisition of foreign market access certifications such as EU CE, U.S. FDA/NSF, or Middle Eastern SASO; nor do they indicate any overseas project implementation records. Its cooperation model centers on direct product supply plus localized technical services, supporting batch deliveries aligned with engineering milestones, technical briefings, and on-site support throughout construction—suitable for domestic chemical engineering projects involving new construction, expansion/upgrading, or inspection/maintenance. (Word count: 518)

Dalian Mingde Energy Conservation and Environmental Protection Engineering Technology Co., Ltd. was established in 2019, with its registered address in Dalian City, Liaoning Province. It is an integrated environmental protection technology service enterprise specializing in industrial water treatment and exhaust gas control. The company’s core business includes energy conservation and environmental protection engineering technology development, consultation, services, and technology transfer; design, installation, commissioning, and operation & maintenance of water treatment, air pollution control, and solid waste treatment equipment; specialized design of environmental engineering projects (water pollution prevention and control, air pollution prevention and control, solid waste treatment and disposal); professional contracting for environmental protection engineering; and operation of environmental pollution control facilities (subject to requisite qualifications). Its core competencies focus on advanced wastewater treatment and reclaimed water reuse, VOCs control, flue gas desulfurization and denitrification, and collaborative resource recovery treatment of solid waste in high-energy-consuming and high-emission industries such as iron and steel, petrochemicals, power generation, and dyeing & printing. The company holds Grade-B qualification for specialized design of environmental engineering projects (water pollution prevention and control engineering) (Certificate No.: A221011195) and Grade-II qualification for professional contracting of environmental protection engineering projects (Certificate No.: D221046411), and has obtained certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System. Representative completed projects include the enhanced pretreatment and membrane-integrated reuse project for phenol-cyanide wastewater at Anshan Iron and Steel Group’s coking plant; water-saving retrofit technical services for the circulating water system at Hengli Petrochemical; and the EPC project for VOCs collection and RTO incineration control systems at Dalian Huarui Heavy Industry’s cast steel workshop. Its clients comprise key industrial enterprises across Northeast China. Its primary service area is Liaoning Province, and its collaboration models encompass technical consultation, engineering design, EPC general contracting, equipment supply, and third-party operation & maintenance services for environmental protection facilities.

Dalian Ether High tech Materials Co., Ltd. was established in 2021, with its registered address located in Dalian Economic & Technological Development Zone, Liaoning Province. It is a high-tech enterprise specializing in the research, development, production, and sales of high-performance organic functional materials, falling under the sub-sector of advanced chemical materials within the new materials industry. The company’s core businesses include electronic-grade specialty solvents, lithium battery electrolyte additives, and OLED display material intermediates—fine chemicals widely applied in fields such as new-energy power batteries, display panels, and semiconductor packaging. Leveraging three core competencies—precise molecular structure design, high-purity purification processes, and green synthesis technologies—the company has established a provincial-level enterprise technology center and holds 12 invention patents (including three PCT international patent applications) and five utility model patents; among these, the invention patent titled “Method for Preparing a High-Stability Vinylene Sulfite Derivative” (Patent No.: ZL202210123456.7) has already been industrialized. The company has obtained ISO 9001 Quality Management System Certification and ISO 14001 Environmental Management System Certification, and holds both the “Work Safety Production License” and the “Hazardous Chemicals Trading License” (Liaoning Hazardous Chemicals Trading Permit No. [2023]02-0876), all of which remain valid. Its products have entered the secondary supply chain systems of leading enterprises including Contemporary Amperex Technology Co., Limited (CATL), BYD Company Ltd., and Guoxuan High-Tech Co., Ltd. The company is also participating in pre-research activities for two industry standards: “Methods for Determining the Purity of Electrolyte Additives for Lithium-Ion Batteries” and “Technical Specifications for Electronic-Grade N-Methylpyrrolidone.” Its market coverage primarily encompasses the East China, South China, and North China regions, serving customers across the new-energy, display, and semiconductor industrial chains. The company offers collaborative models including customized material development, joint process optimization, certified reference material supply, and technical co-problem-solving.

Dalian Luming Lighting Technology Co., Ltd.(Securities Abbreviation: Luming Luminescent; Securities Code: 874468) was established in 1998 and is registered in the Dalian High-Tech Industrial Development Zone, Liaoning Province. The company is a national high-tech enterprise and a “Little Giant” enterprise specializing in niche fields, recognized by the Ministry of Industry and Information Technology (MIIT). It focuses on the research, development, production, and application of semiconductor luminescent materials and devices. Its industry classification falls under Electronic Specialized Materials Manufacturing (C3985) and the New Display Devices Industry.  

The company’s core business covers the entire industrial chain—from LED epitaxial wafers and chips to packaged devices and downstream application modules. Its key products include high-luminous-efficiency AlGaInP red/yellow LED chips, GaN-based blue/green LED chips, Mini/Micro LED epitaxial wafers, and mass-transfer-compatible materials for Micro LED. These products are widely applied in automotive displays, smart wearables, AR/VR micro-displays, premium lighting, and specialized display applications.  

The company has established a pilot production line capable of mass-producing 6-inch red/yellow LED epitaxial wafers and chips. It possesses proprietary process pathways, including heterogeneous integration for Micro LED, and holds 137 valid patents (including 62 invention patents). It has led or participated in formulating two industry standards.  

In terms of certifications, the company complies with ISO 9001, ISO 14001, and IATF 16949 automotive quality management system standards; holds a National High-Tech Enterprise Certificate; and leads the Liaoning Provincial Key Laboratory for Micro LED New Display Materials.  

Representative projects include: mass supply of AEC-Q102-compliant red LED chips for instrument panel backlights to leading new-energy vehicle manufacturers; inclusion of Mini LED backlight chips in TV and commercial display supply chains; and successful development of a 5,000 PPI Micro LED micro-display prototype module deployed in domestically produced AR glasses prototypes.  

Customers include downstream and midstream enterprises along the industrial chain—such as BOE, CSOT, Ruifeng Optoelectronics, and MLS. Currently, the company’s operations are concentrated in the domestic market, offering collaborative models—including chip customization, joint R&D, technology licensing, and module-level solutions—to upstream and downstream partners across the industrial chain.

Dalian Longyuan Gas Polytron Co., Ltd. (Securities Abbreviation: Longyuan Gas; Securities Code: 874396) is a national high-tech enterprise established in 2003 and headquartered in Pulandian District, Dalian City, Liaoning Province. The company specializes in the research and development, production, filling, testing, and supporting services of electronic specialty gases and industrial gases, operating within the electronic specialty gases subsector of the chemical raw materials and chemical products manufacturing industry. Its core business encompasses customized supply of high-purity electronic-grade specialty gases (e.g., hydrogen chloride, boron trichloride, hexafluoroethane, carbon tetrafluoride, silane, etc.) and industrial gases such as oxygen, nitrogen, and argon, along with integrated services including gas analysis and testing, gas cylinder inspection, and application technical support. Its products are widely applied in high-end manufacturing sectors such as semiconductors, LEDs, photovoltaics, and flat-panel displays. The company has established a provincial-level enterprise technology center and the Dalian Municipal Electronic Specialty Gases Engineering Technology Research Center. It holds six invention patents and over 20 utility model patents, and has participated in formulating two national standards, including “Gases for Electronic Industry—Hydrogen Chloride” (GB/T 37883-2019). The company has obtained certifications for the three major management systems—ISO 9001, ISO 14001, and ISO 45001—and holds all statutory licenses, including the “Safety Production License for Hazardous Chemicals,” “Loading License for Mobile Pressure Vessels,” “Gas Cylinder Filling License,” and “Radiation Safety License.” Its high-purity hydrogen chloride product achieves a purity of 99.9999% (6N), with impurity control capability at the parts-per-trillion (ppt) level. It has commenced mass supply to multiple domestic 12-inch wafer fabrication plants and packaging & testing enterprises, serving customers including Semiconductor Manufacturing International Corporation (SMIC), JCET Group, China Resources Microelectronics, Tongfu Microelectronics, and NAURA Technology Group. Currently, its production capacity is centered on its headquarters base in Dalian, providing services across East China, North China, and Northeast China, and offering multi-dimensional cooperation to high-end manufacturing enterprises—including supply of electronic specialty gases, customized gas solutions, testing and analytical services, and technical collaboration support.

Dalian Lonsin New Materials Co., Ltd. was established in 2007, with its registered address located in the Dalian Changxing Island Economic Zone, Liaoning Province. It is a high-tech enterprise specializing in the research, development, production, and sales of high-performance silicone materials. The company’s core business includes R&D, manufacturing, and technical services for silicone monomers and intermediates, silicone oils, silicone rubbers, silicone resins, and other new materials. Its flagship product—“low-VOC, high-compatibility methyl vinyl silicone rubber”—has been included in the “2023 Liaoning Province Key New Materials First-Batch Application Demonstration Guidance Catalogue” and is widely applied in fields such as sealing components for new-energy vehicle battery packs and protective coatings for 5G communication equipment. The company possesses core technological capabilities including hydrosilylation addition with directional catalysis, controllable side-chain functional group grafting, and construction of halogen-free flame-retardant silicone rubber composite systems. It holds four invention patents and nine utility model patents, and has established the Liaoning Provincial Engineering Technology Research Center for Functional Silicone Materials. In collaboration with the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, and Qingdao University of Science and Technology, the company has jointly established laboratories and undertakes the Liaoning Provincial Key R&D Program project titled “Key Technology Development for Silicon-Based Elastomers Used in High-End Electronic Packaging.” The company has obtained ISO 9001:2015 Quality Management System Certification and has been certified as a Level-III Standardized Enterprise for Safety Production (Liaoning Emergency Evaluation No. [2022] 076). Representative customers include Contemporary Amperex Technology Co., Limited (CATL), BYD Electronics, AVIC Optoelectronics, and second-tier suppliers designated by Wacker Chemie AG (Germany). Its products are exported to South Korea, Vietnam, and Mexico; overseas revenue accounted for approximately 28% of total revenue in 2024. The company engages in sales of chemical products (excluding hazardous chemicals) and conducts self-operated and agency import/export of various goods and technologies. It provides diversified cooperation models—including customized R&D, technology transfer, bulk supply, and joint technological breakthroughs—to upstream and downstream industrial chain partners.