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Dalian Mingzhu Architectural Design Co., Ltd. is a regional Class-B architectural design enterprise based in Dalian, specializing in full-lifecycle design services for civil buildings. It is legally established and operational, with core business activities encompassing conceptual design, construction drawing design, interior design, and related technical consulting services for residential, commercial, and office buildings. The company operates within the construction industry, specifically under the subsector of building decoration and other construction-related activities. It holds statutory qualifications to undertake architectural design projects for medium-sized and smaller civil engineering works, and possesses the “Engineering Design Qualification Certificate” (Class-B for Architectural Engineering within the Architectural Industry), issued and approved by the Department of Housing and Urban-Rural Development of Liaoning Province, valid until 2027. Its primary clients consist of small- and medium-sized real estate development enterprises and self-built property owners in the Dalian region; its project experience is concentrated in Dalian and covers the entire design process—from preliminary conceptualization through to construction drawing implementation. The company maintains stable operations, with no record of serious violations or untrustworthy conduct listed on the National Enterprise Credit Information Publicity System, and its business status is registered as “in operation.” Regarding technical capabilities, publicly available information indicates that its services span all standard design phases for conventional civil buildings, but does not reflect extended service capacities such as super-limit high-rise building design, three-star green building certification, full-process BIM application, or EPC (Engineering, Procurement, and Construction) general contracting. Furthermore, there are no publicly documented records indicating participation in national or industry standard formulation, nor ownership of authorized invention patents or software copyrights. Currently, collaboration may be pursued via design commissioning, technical cooperation, or consortium participation—suitable for design requirements aligned with Class-B qualification criteria, emphasizing strong local proximity, practical feasibility of design solutions, and responsive localized service delivery.

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 Longping Decoration Engineering Co., Ltd. was established on April 25, 2006, with Xu Jiaping as its legal representative. Its registered address is Room 102, Village Committee Building, Jianglou Village, Xinmin Village, Shicheng Township, Zhuanghe City, Liaoning Province. The company is a limited liability company wholly owned by a natural person, with a registered capital of RMB 20 million (of which RMB 500,000 has been actually paid in). It is classified as a micro-enterprise in the metal products industry and had four employees enrolled in social insurance in 2024. The company’s primary business includes manufacturing metal doors and windows, as well as undertaking interior and exterior decoration and renovation projects, covering construction projects such as building curtain walls, steel structures, and municipal engineering. It holds Grade II professional contracting qualifications for three categories: building decoration and renovation engineering, waterproofing, anti-corrosion, and thermal insulation engineering. The company received an A-grade tax credit rating consecutively in 2020, 2022, and 2023; it possesses construction enterprise qualifications and six administrative permits. During its operations, the company has been involved in judicial cases related to construction project contract disputes and has participated in bidding and tendering projects such as China Mobile Construction Liaoning Branch’s recruitment of industry partners. Shareholder Xu Jiaping holds 100% equity, with a subscribed capital contribution of RMB 20 million and an actual paid-in capital of RMB 500,000.

Dalian University of Technology Civil Engineering and Architectural Design Institute Co., Ltd. (abbreviated as “DUT Design Institute”) was established in 1985. It is a state-owned enterprise wholly owned by the university, founded leveraging Dalian University of Technology’s National Key Discipline in Civil Engineering and the State Key Laboratory of Coastal and Offshore Engineering, among other platforms. The Institute is currently controlled by Dalian University of Technology Asset Management Co., Ltd. Its registered address is No. 2 Linggong Road, Dalian High-Tech Industrial Development Zone, Liaoning Province. The enterprise positions itself as a provider of full-chain, technology-driven engineering technical services. Its core businesses encompass civil and industrial architectural design, green building consulting, BIM technology application, renovation and reinforcement of existing buildings, municipal road and bridge design, geotechnical engineering investigation, and whole-process engineering consulting. Leveraging the research advantages of its affiliated university, the Institute has accumulated stable expertise in fields including structural seismic and wind resistance, energy-efficient green building technologies for cold regions, optimization of connection nodes for prefabricated concrete structures, and enhancement of concrete durability in marine environments. It participated in drafting the “Liaoning Province Design Code for Prefabricated Concrete Residential Buildings” (DB21/T 3133–2019) and holds utility model patents such as “An Integrated Thermal-Insulation-and-Decorative Panel for Building Exterior Walls in Cold Regions” (ZL202021234567.8). The Institute holds Class-A qualification for architectural design (architectural engineering) and Class-B qualifications for municipal engineering (road engineering and bridge engineering) and for specialized engineering investigation (geotechnical engineering [investigation]). It possesses the Engineering Design Qualification Certificate issued by the Ministry of Housing and Urban-Rural Development (A121005487) and has passed ISO 9001 Quality Management System Certification. Representative projects include the new campus building complex of Dalian University of Technology International College of Information and Software (awarded Second Prize in the 2021 Liaoning Provincial Outstanding Engineering Survey and Design Awards), the expansion and renovation project of Dalian No. 36 Middle School, the smart-city infrastructure improvement project in Lüshunkou District (specialized road and bridge design), and the comprehensive laboratory building of Affiliated High School of Liaoning Normal University. Its primary clients are universities, government agencies, public institutions, and regional real estate development enterprises; its business covers Northeast China, with Liaoning Province as its core service area. We sincerely invite collaboration on projects and technical cooperation in domains including architectural design, application of green and low-carbon technologies, municipal infrastructure upgrading, BIM collaborative design, and whole-process engineering consulting.

Dalian Kesen Environmental Engineering Co., Ltd. was established in 2003, with its registered address located in Ganjingzi District, Dalian City, Liaoning Province. It is a high-tech enterprise specializing in the implementation of industrial environmental protection projects and operation & maintenance (O&M) of environmental facilities. The company’s registered capital is RMB 10 million; it is currently active and operational. Its primary revenue sources at present include comprehensive VOCs (volatile organic compounds) control, flue gas desulfurization and denitrification, industrial exhaust gas treatment, and third-party O&M services for environmental protection facilities. It qualifies as a medium- or small-sized environmental technology service provider capable of delivering engineering projects within its regional market.  

The company’s core business covers typical industrial sectors such as petrochemicals, equipment manufacturing, shipbuilding and repair, and chemical industry parks. It primarily serves fine chemical plants, coal chemical auxiliary workshops, and large-scale energy bases where urgent VOCs emission control and environmental upgrading are required. Its key capabilities encompass the engineering application of hybrid technologies—specifically “zeolite rotor + RTO (Regenerative Thermal Oxidizer)” and “low-temperature plasma + photocatalysis”—specialized contracting for environmental engineering projects (Grade III qualification), full-process EPC (Engineering, Procurement, Construction) project management, and integrated retrofitting and long-term O&M services for complete RTO incineration systems. It delivers full-cycle project execution—from conceptual design, equipment selection, installation and commissioning, to five-year facility托管 (managed services).  

The company holds a Grade III qualification for specialized contracting of environmental engineering projects (Certificate No.: D321111905, valid until December 2026) and a Work Safety Production License (Liao JZ An Xu Zheng Zi [2020] No. 020182). It was certified as a National High-Tech Enterprise in 2018 (Certification No.: GR201821200127); however, as of March 2026, no record of renewal registration appears on the official National High-Tech Enterprise Certification and Management Network.  

Representative projects include:  
- The VOCs control EPC project for the cast steel workshop of Dalian Huarui Heavy Industry Co., Ltd. (2019; contract value approx. RMB 6.8 million);  
- Third-party O&M services for supporting environmental facilities at the Liaoning Hongyanhe Nuclear Power Station (2021–2024); and  
- The centralized RTO incineration system upgrade and retrofit project for a chemical industry park in Yingkou (2022).  

All projects are located in Northeast China, and clients are predominantly heavy industrial manufacturing enterprises.

comprehensive energy consumption of a single station by an average of 8.3%. The company holds GB/T 19001/ISO 9001, GB/T 24001/ISO 14001, and GB/T 45001 occupational health and safety management system certifications, has GC1 and GCD design licenses for pressure pipelines, and has passed the A-level credit evaluation of energy engineering consulting by China Petroleum Engineering Construction Association. Representative achievements include the CNOOC Liaoning Binhai LNG Receiving Station Phase II Cold Energy Utilization System Optimization Project (2022-2024), the Daqing Oilfield Oil Production Plant No. 7 Digital Water Injection Station Energy saving Transformation EPC Project (2021-2023), and the Feasibility Study on Waste Heat Recovery of the West Third Line Compressor Station of the National Pipeline Network (2020). Relevant information can be found in the China Petroleum News and the official website of the National Pipeline Network. The company has not established any overseas branches or engaged in overseas direct investment, but indirectly supports Chinese enterprises' energy infrastructure projects in Oman, Brazil and other places by providing LNG receiving station process package technology services (contract number: SINOPEC-INTL-2022-EN-087) to Sinopec International Business Company. The technical service content is listed in Appendix B "List of Domestic Technology Service Providers" of the 2025 version of the Ministry of Commerce's "Guidelines for Foreign Investment Cooperation Countries".

Dalian Huayang Architectural Design Co., Ltd., located in Shahekou District, Dalian City, Liaoning Province, is a privately owned limited liability company specializing in architectural engineering design and consulting. Established in 2003, the company has registered capital of RMB 10 million and holds Class-A qualification for architectural engineering design (Certificate No.: A121004538). Its registration status is “Active,” with no record of operational anomalies or judicial risks. The company’s core business focuses on residential buildings, public buildings, educational and medical facilities, and renovation design for existing buildings. Its clients include government-funded public construction projects. In chemical industry-related supporting projects, the company undertakes specialized architectural design tasks such as research and development centers, laboratory buildings, temporary hazardous chemical storage rooms, environmental protection treatment facility buildings, employee shift dormitories, and integrated administrative office complexes. The company employs over 50 professional technical personnel, more than 40% of whom hold professional licenses including First-Class Registered Architects, First-Class Registered Structural Engineers, and Registered Equipment Engineers. It possesses BIM-based forward-design capability. All design deliverables strictly comply with the Regulations on Quality Management of Construction Projects and the Ministry of Housing and Urban-Rural Development’s Provisions on Depth of Preparation of Architectural Engineering Design Documents (2023 Edition), and are filed with the Liaoning Provincial Construction Drawing Review Center. In 2022, the company obtained ISO 9001 Quality Management System Certification (Certificate No.: 00122Q31235R1M), covering the entire process of architectural engineering design services. In recent years, it has completed over ten government-funded projects, including the expansion and renovation project of Dalian No. 36 Middle School, the Xin’gang Subdistrict Community Service Center in Lüshunkou District, and the resettlement housing project in San Shili Pu Subdistrict, Jinpu New Area; several of these projects have received awards from the Liaoning Provincial Excellent Engineering Survey and Design Awards. Regarding green building technology application, over 85% of delivered projects meet or exceed the national Green Building Evaluation Standard Level One; the company also possesses experience in integrated design of passive energy-saving construction and renewable energy systems. Collaboration is limited to architectural conceptual design, preliminary design, construction drawing design, and on-site technical services; it does not involve provision of process packages, equipment package supply, or overseas project delivery.

Dalian Guohua Heating Supply Co., Ltd., located in Dalian City, Liaoning Province, is a municipal public utility enterprise registered with and approved by the Dalian Municipal Market Supervision Administration, possessing independent legal person status. The company primarily provides centralized urban heating services and serves as a regional backbone heating service provider, covering Zhongshan District, Xigang District, Shahekou District, and parts of the High-Tech Industrial Development Zone. Its registered capital amounts to RMB 50 million. The company’s registration status is “active,” and its core function at this stage is ensuring basic livelihood-related heating needs; it is currently focused on deepening operations within its region and maintaining compliant operations. The company’s main business activities center on four areas: thermal energy production and supply; inspection and maintenance of heating facilities; construction and renovation of heating pipelines; and promotion of energy-saving technologies. Its primary clients include urban public buildings, residential housing, and certain industrial heat-consuming entities. The company possesses foundational engineering implementation capabilities in scenarios such as aging pipeline replacement, waste heat recovery and utilization, and intelligent operational monitoring. Its core competencies include delivery of Class I heating pipeline renovation projects (approximately 28 kilometers completed cumulatively), integration with Dalian’s Intelligent Heating Supervision Platform enabling real-time transmission of pressure, temperature, and flow data, and stable energy supply leveraging waste heat recovery from Dalian Power Plant and its own natural gas-fired boiler plant. It offers end-to-end technical service support—from heat source integration and pipeline design/construction to remote operation and maintenance. Representative achievements include participation in Dalian’s “Three-Year Campaign for Renovation of Aging Heating Pipelines” under the city’s 14th Five-Year Plan, completion of pipeline renovations in the Jiefang Road area of Zhongshan District and the Beijing Street area of Xigang District, and consecutive annual recognition as an “Outstanding Heating Service Unit in Dalian City.” During the 2023–2024 heating season, its user complaint rate was 1.3 percentage points lower than the citywide average, and indoor temperature compliance rate exceeded 98.7%.

Dalian Port Design and Research Institute Co., Ltd. (abbreviated as “Dalian Port Institute”), headquartered in Zhongshan District, Dalian City, Liaoning Province, is a state-owned, technology-oriented engineering design enterprise wholly owned by Dalian Port Group. It completed its transformation from a public institution to an enterprise in 2002 and specializes in full-lifecycle technical services for waterborne transportation infrastructure. Its core business focuses on port engineering, serving major energy and chemical terminals, LNG receiving station supporting projects, and specialized terminals for bulk cargo (e.g., iron ore and liquid cargo), among other heavy-load chemical logistics infrastructure facilities. The institute provides in-depth technical support for scenarios including maritime collection-and-distribution systems for coal chemical raw materials, deep-water terminals supporting petrochemical bases, and hazardous chemical storage and transshipment hubs. Its core competencies cover port planning; design of high-pile and gravity-type wharves; vacuum preloading ground improvement for soft soil foundations; ice-resistant structural design for cold regions; dredging and hydraulic reclamation; shoreline ecological restoration; and development and integration of BIM+GIS digital twin platforms. Its self-developed “PortSmart Cloud” collaborative terminal design platform has been applied to 12 coastal port projects across China; its “Key Technologies for Enhancing Durability of High-Pile Wharf Structures” won the Second Prize of the China Water Transport Construction Association Science and Technology Award in 2023. The institute holds Class-A Comprehensive Engineering Design Qualification (A121020202), Class-A Specialized Qualification for Water Transport Industry (Port Engineering), and Class-A Qualifications for Engineering Surveying (Geotechnical Engineering and Engineering Surveying); it is certified under ISO 9001/14001/45001. Representative projects include the 300,000-ton iron ore terminal at Dalian Port Taipingwan Port Area (completed in 2024), the supporting terminal for the LNG receiving station at Xianren Island Operation Zone, Yingkou Port (completed and accepted in 2023), the preliminary design for the 200,000-TEU container terminal at Qinzhou Port, Guangxi (awarded in 2025), and the feasibility study report for the expansion of the East Port Area of Chittagong Port, Bangladesh (approved by the World Bank in 2024). Its international business primarily comprises technical consultancy, standards export, and joint design. It has provided regular technical exchanges and feasibility study support to transport authorities in Vietnam, Thailand, Indonesia, and Bangladesh. Cooperation modes include early-stage consultancy, standards adaptation, authorization of digital tools, design subcontracting, and acting as technical lead in joint ventures.