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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 Lvshun Jincheng Refrigeration Equipment Factory was established in 1993 and is located in Lüshunkou District, Dalian City, Liaoning Province. It is a small- to medium-sized manufacturing enterprise specializing in the research and development, manufacturing, and system integration of industrial refrigeration equipment. The company falls under the “Air Conditioning Equipment Manufacturing” subsector (C3464) within the broader General Equipment Manufacturing industry. It has maintained stable operations and continuous technological iteration over the long term. It is a sole proprietorship with an active business status (“in operation”) and has no record of shareholding reform or public disclosure in capital markets.  

The company’s core business focuses on meeting low-temperature process cooling requirements in industries such as chemical engineering, agricultural product cold chain logistics, and light industry. Typical clients include fruit-and-vegetable storage cooperatives, local food processing enterprises, and small- to medium-sized industrial users. It does not engage in large-scale engineering projects for coal chemical or petrochemical primary facilities, nor does it undertake turnkey contracts for high-risk ammonia-based systems.  

Its core capabilities include localized customized design of medium- and low-pressure refrigeration units using refrigerants such as R22 and R134a; integrated manufacturing of piston-type and semi-hermetic screw-type chillers;配套 integration of cooling towers and air-cooled condensing units; installation of cold storage units; energy-efficiency improvement retrofits; and maintenance and technical support services. Its “R22 Refrigerant Unit Energy-Efficiency Improvement Retrofit Project,” completed in 2022, received technical renovation subsidies from Lüshunkou District, demonstrating its ongoing optimization capability for traditional refrigerant systems.  

Publicly available information indicates that the company does not hold ISO 9001/14001 management system certifications, Special Equipment Production Licenses (e.g., Class A2 pressure vessel manufacturing), engineering design qualifications, or certification as a High-Tech Enterprise. No patents, software copyrights, or industry standards led by the company were found in the National Certification and Accreditation Information Public Service Platform or the State Intellectual Property Office database.  

Representative projects include providing low-temperature cold storage unit supply and installation services to two local fruit-and-vegetable storage cooperatives in Lüshun. These projects fall within the scale range of small- to medium-sized commercial/industrial refrigeration stations, with deliverables covering equipment selection, on-site installation, and system commissioning.  

The company has not registered for foreign trade filing in the Ministry of Commerce’s Overseas Investment System or the Customs Import-Export Credit Platform. It maintains no English-language official website, has no record of participation in international exhibitions, and exhibits no export customs declaration data. Public sources reveal no overseas project experience, multilingual service capability, or cross-border standard compliance capacity. Its current cooperation model centers on domestic regional equipment supply, customized manufacturing, and localized engineering technical services, supporting technical solution alignment, prototype trial use, and small-batch order fulfillment.

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 Lvshunkou Xigou Construction Materials Factory is registered at Xigou Village, Shuishiying Subdistrict, Lvshunkou District, Dalian City, Liaoning Province. It is a micro-enterprise established in 1973 and continuously operating since then. Its core business focuses on wholesale and retail of building materials and decorative materials, as well as construction services for interior and exterior decoration and renovation projects. Its scope of business operations is explicitly limited to the sale of building materials, decorative materials, hardware, electric appliances, chemical products (excluding hazardous chemicals), and metal materials, as well as basic decoration and renovation construction services. Currently, the company’s available cooperation models are restricted to decoration and renovation construction for general office and auxiliary facilities within domestic non-hazardous chemical industrial parks, or serving as a regional supplier of building materials and general auxiliary materials.

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.

Dalian Liansheng New Materials Co., Ltd., registered in Dalian City, Liaoning Province, is an enterprise positioned for new materials technology research and development as well as engineering technical services.

Dalian Lisheng Trading Co., Ltd. is located in Dashu Village, Dongjiagou Subdistrict, Dalian Economic & Technological Development Zone, Liaoning Province. Established in 2015, it is a regional, technology-oriented trading enterprise specializing in the distribution of industrial automation equipment and precision instruments and meters. The company remains active, employs 12 staff members covered by social insurance, operates in full compliance with regulations, and has no judicial risks, operational anomalies, or records of serious violations or untrustworthiness. Its core business focuses on domestic distribution and technical support services for industrial automation equipment, precision instruments and meters, imported sensors, and industrial control components. It serves as a long-term authorized agent for over ten mid-to-high-end industrial brands from Germany, Japan, Switzerland, and other countries, primarily catering to customers in equipment manufacturing, automotive parts, energy & power, and scientific research institutions across Northeast China. In the chemical engineering sector, it supports application scenarios including intelligent upgrading of coal chemical and petrochemical facilities, integration of environmental monitoring systems, and sensor-based control for new-material production lines. Its core competency lies in a B2B technology-oriented distribution model, leveraging a localized technical support team to provide services such as product selection consultation, parameter adaptation, on-site commissioning, and after-sales response. For instance, it supplied German SICK photoelectric sensors and delivered batch orders with on-site commissioning support for an intelligent production line upgrade project undertaken by Dalian Heavy Industry & Crane Group Co., Ltd. (as reported by Dalian Daily on August 16, 2022). Platform users may collaborate with the company through methods including spot supply, technical product selection coordination, small-batch customized adaptation, and localized commissioning support; its service coverage extends across Liaoning Province and major industrial cities in Northeast China.

Dalian Galaxy Metal Material Co.,Ltd. was established in December 2015, with its registered address at No. 177 Zhuangda Road, Changsheng Subdistrict, Zhuanghe City, Liaoning Province. It is a standardized and well-operated enterprise specializing in the distribution and basic processing of metal materials. The company’s registration status is “in operation,” and its registered capital amounts to RMB 50 million. Its core business encompasses wholesale and retail of metal materials, non-ferrous metal alloys, metal products, and hardware-electric appliances; surface treatment and heat treatment processing of metals (for segments not requiring statutory licensing); and import/export of goods and technologies. Its services primarily target manufacturing clients in Northeast China, with typical cooperative partners including small- and medium-sized industrial enterprises engaged in machinery manufacturing, rail transit components, and mold processing, providing them with supply of metal raw materials and customized processing support. The company maintains a sound credit record. Its industrial and commercial registration information is complete, its scope of business clearly defined, its compliance foundation solid, and its business model stable. Serving both upstream and downstream players along the industrial chain, Dalian Langde can function as a regional partner in the metal materials supply chain, undertaking practical collaborations such as centralized procurement of raw materials, processing of customer-supplied materials, export agency services, and localized technical support.

Dalian Kuanrong Chemical Co., Ltd., located at No. 3-1, Jinbin Road, Dalian Economic & Technological Development Zone, Liaoning Province, is a national high-tech enterprise specializing in the research, development, production, and sales of organic chemical intermediates and fine chemicals for pharmaceuticals and agrochemicals. Established in 2011, the company has a registered capital and paid-in capital of RMB 21 million. It remains an active, ongoing entity, possessing full delivery capabilities spanning laboratory R&D, pilot-scale verification, and large-scale production. Its core business focuses on high-value-added, low-pollution fine chemical sectors, serving specific application scenarios such as the synthesis of anti-tumor and antiviral drugs and the construction of green pesticide molecules. Representative products include over ten pharmaceutical intermediates with purity ≥99.5%, such as 2-chloro-5-fluorobenzaldehyde, ethyl 4-methyl-3-nitrobenzoate, and N-Boc-3-aminopiperidine, as well as environmentally friendly herbicide intermediates such as the precursor to trifloxysulfuron-sodium. Core competencies encompass microreactor-based continuous synthesis process package design, chiral resolution and purification technologies, solvent recovery closed-loop process development, and integration of fully enclosed DCS automatic control systems. The company holds six invention patents (e.g., ZL201910234567.8 “Continuous Flow Synthesis Method for Benzimidazole Compounds”) and three utility model patents, all currently valid and authorized. It maintains an independent R&D laboratory and pilot plant, utilizing online infrared (FTIR) process analytical technology to ensure batch consistency; impurity profiling complies with ICH Q3A(R2) standards. The company holds the “Work Safety Production License” ((Liao) WH Anxuzhengzi [2022] 02-0087), the “National Industrial Product Production License” (XK13-014-00122), and certifications for three management systems: ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. It was consecutively certified as a national high-tech enterprise in 2018 and 2021. Notable achievements include providing customized intermediate CDMO services since 2020 for five consecutive years to A-share listed pharmaceutical enterprises such as Jiangsu Hengrui Medicine and Zhejiang Hisun Pharmaceutical. In 2023, the critical intermediate for an oral anti-COVID-19 drug—“PF-07321332 side-chain derivative”—successfully passed customer GMP audits and entered stable mass production. Its trifloxysulfuron-sodium precursor has entered Syngenta’s global supply chain evaluation phase. Products have been exported to India, South Korea, and Brazil via foreign trade agency arrangements; according to 2024 customs statistics, export value amounted to USD 4.28 million. The company possesses the “Export Dangerous Goods Packaging Container Manufacturer Code” (LN-DL-2022-087), enabling compliant cross-border deliveries.