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Dalian Architecture Science Research & Design Institute Co., Ltd. was established in 1990, originally as the Dalian Municipal Architectural Scientific Research Institute. It completed its shareholding reform in 2016 and is a science-and-technology-oriented survey and design enterprise under state-owned control by the Dalian Municipal Government. Its registered address is No. 3 Chunliu Street, Shahekou District, Dalian City, Liaoning Province. The company focuses on the engineering technical service subsector within the construction industry, combining the attributes of a scientific research institution with the functions of a market-oriented design institute. Its core business covers architectural engineering surveying, design, consulting, testing and appraisal; research and development of green building and energy-saving technologies; application of Building Information Modeling (BIM) technology; research and promotion of prefabricated construction technologies; and technical services for renovation of existing buildings and urban renewal. Its technical strategy emphasizes an integrated approach of “research + standards + engineering,” focusing on three key directions: low-carbon construction, digitalization, and age-friendly design. Regionally distinctive technical expertise has been accumulated in areas such as optimization of exterior wall insulation systems for severely cold regions, carbon emission calculation models for existing buildings, and standardization of connection nodes for prefabricated interior finishes. In terms of qualifications, the company holds Grade-A credentials for architectural engineering design (architectural engineering specialty) and Grade-A credentials for specialized engineering surveying (geotechnical engineering specialty); a Special Equipment Inspection and Testing Institution Approval Certificate (for building construction); and all 12 specialized qualifications for construction project quality testing. It is recognized as a High-Tech Enterprise in Liaoning Province (valid until 2026) and has obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications. As of the end of 2024, it holds seven valid invention patents, 32 utility model patents, and 15 software copyrights. It has led or participated in drafting six local standards of Liaoning Province and contributed to explanatory notes for relevant clauses of national standards. Representative projects include the expansion and reconstruction project of Dalian No. 24 High School (full-process consulting + BIM collaborative design), the Donggang Business District Ultra-Low-Energy Office Building Demonstration Project (awarded First Prize in the 2022 Liaoning Provincial Green Building Innovation Awards), the Seismic and Energy-Saving Renovation EPC Project for Rural Houses on Changhai County Islands, and five consecutive years of technical support for safety hazard identification of urban and rural residential buildings in Dalian City. Its service coverage focuses primarily on Liaoning Province but extends across the three northeastern provinces (Liaoning, Jilin, and Heilongjiang). Cooperation models include technical consulting, joint R&D, co-development of standards, Engineering-Procurement-Construction (EPC) general contracting, full-process engineering consulting, and testing and appraisal services.

Dalian Chemical Design Institute Co., Ltd. Southwest Branch is registered in Chengdu City, Sichuan Province. It is a branch of Dalian Chemical Design Institute Co., Ltd., established in accordance with the company’s regional development strategy. As a specialized chemical engineering technical service enterprise possessing comprehensive engineering design qualifications, the branch is currently in a stable growth phase and is not an independent legal entity; all its business activities and legal liabilities are borne by the parent company. The branch focuses on industrial demands in western China—specifically energy and chemical engineering, fine chemicals, environmental remediation, and novel energy storage materials—and serves as a regional technical support platform delivering full-process engineering consultancy, process package development, engineering design, and digital delivery services for the Southwest region. Its core businesses include engineering design of petrochemical and coal chemical plants (including Class A and B process units), preparation of specialized safety facility design documents for hazardous chemical production construction projects, collaborative support for environmental impact assessments, engineering design and digital delivery of intelligent control systems (DCS/SIS), and digital delivery (PDMS/SP3D). Its service scope covers phosphorus chemical engineering, fluorosilicon materials, lithium battery precursor supporting engineering, and integrated treatment projects for exhaust gas and wastewater at industrial park level. Core capabilities include process package development based on Aspen Plus/HYSYS process simulation and CFD flow field analysis; safety design driven by HAZOP/SIL classification analysis; and digital delivery integrating 3D modeling with smart construction site platform data interoperability. The branch has successfully engineered the commercial application of five utility model patents—including “A Multi-Stage Cyclone Tower for Absorbing Fluorine-Containing Exhaust Gas”—and one software copyright: “Chemical Plant Safety Risk Dynamic Assessment System V1.0.” The parent company holds Grade-A qualifications for engineering design in the chemical, petrochemical, and pharmaceutical industries (Certificate No.: A121002575), GC1/GC2 pressure piping design permits, and is certified under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. All externally issued design documents are stamped by the parent company and signed by registered chemical engineers. Representative projects include: engineering design for a 20,000-ton-per-year lithium iron phosphate solvent recovery unit in Mianyang, Sichuan; process package development for the EPC project of deep purification and resource utilization of yellow phosphorus tail gas in Qiannan, Guizhou; and feasibility studies and preliminary design for a centralized VOCs treatment project at a biotechnological fermentation industrial park in Zhaotong, Yunnan. All these projects are traceable via the National Investment Project Online Approval and Supervision Platform and local ecological environment departments’ environmental impact assessment public disclosure systems. Public records indicate no overseas operating entities or international engineering projects. Currently, the branch’s business covers five provincial-level administrative regions: Sichuan, Chongqing, Yunnan, Guizhou, and Guangxi. It supports diverse collaboration models, including consortium partnerships and technology licensing combined with engineering implementation.

Dalian Chemical Design Institute Co., Ltd. Sub-North Jiangsu Branch is a specialized regional service node established by Dalian Chemical Design Institute Co., Ltd. (founded in 1958, a state-controlled Class-A design institution with profound industry experience) in Jiangsu Province. Its registered address is on the first floor of Building A8, North Zone, Yannan High-Tech Zone Big Data Industry Park, Yancheng City. The branch has operated continuously and stably since May 2019.  

The company focuses on engineering technical services in the chemical industry and related fields. Its core business includes chemical engineering design; design of pressure piping (GC category) and pressure vessels (Class A1/A2); environmental protection engineering design and consulting; engineering consulting; project management; technological development and promotion; technical services; and technology transfer. Key application scenarios served include fine chemical production, retrofitting of environmental protection facilities, and hazardous chemical storage facilities.  

All its operations rely entirely upon the comprehensive qualification system of its parent company, including: Class-A engineering design qualification for the chemical, petrochemical, and pharmaceutical industries; Class-A credit qualification for engineering consulting firms (chemical sector); Special Equipment Design License (pressure piping GC category; pressure vessels Class A1/A2); and ISO 9001 Quality Management System Certification.  

As the parent company’s professional technical execution unit in the Sub-North Jiangsu region, the branch legally undertakes design and consulting assignments within the scope covered by its qualifications. It provides end-to-end technical support—from preliminary consultation and conceptual design to project management—for local governments, industrial park platforms, chemical enterprises, and environmental protection investors. Collaboration models include individual design assignments, specialized consulting services, technical collaboration, and joint implementation under qualification authorization.

Dalian Chemical Design Institute Co., Ltd. Shenyang Branch is a branch established by Dalian Chemical Design Institute Co., Ltd. in Shenyang City, Liaoning Province. Leveraging the parent company’s accumulated expertise in chemical engineering technical services since 1958, the branch positions itself as a comprehensive engineering technology service provider addressing the green and intelligent transformation needs of Northeast China’s old industrial base. Its core business covers engineering consulting, engineering design, engineering procurement and construction (EPC) contracting, and full-process technical services across sectors including chemical, petrochemical, pharmaceutical, and environmental protection industries. Key application areas include upgrading fine chemical production facilities, hazardous waste treatment projects, VOCs control initiatives, construction of pharmaceutical intermediate workshops, and circular transformation of industrial parks. Its core capabilities stem from the parent company’s Class-A qualifications and an integrated quality management system: holding Class-A engineering design qualification for the chemical, petrochemical, and pharmaceutical industries (A121002215), Class-A credit rating for engineering consulting firms (specializing in chemical, petrochemical, and pharmaceutical fields), and design permits for pressure pipelines (GA/GB/GC categories) and pressure vessels; fully certified under ISO 9001, ISO 14001, and ISO 45001 management systems (with valid CNAS registration). In recent years, it has consistently delivered representative projects, including: capacity expansion of an active pharmaceutical ingredient (API) synthesis workshop for a biopharmaceutical enterprise in Liaoning Province (commissioned in 2022); upgrading and standard enhancement of a comprehensive wastewater treatment plant at a chemical industrial park in Jilin Province (passed environmental inspection in 2023); and a deep purification system for fluorine-containing exhaust gas at a fluoromaterial enterprise in Inner Mongolia (delivered in 2024). Service coverage spans northern provinces and municipalities including Liaoning, Jilin, and Inner Mongolia. Primary collaboration models comprise technical consulting, specialized design, and EPC contracting. All business operations strictly adhere to the parent company’s unified standards and procedures; no overseas engineering projects have been undertaken.

Dalian Chemical Design Institute Co., Ltd. Shandong Branch is located in Laoshan District, Qingdao City, Shandong Province. It is an unincorporated branch established under Dalian Chemical Design Institute Co., Ltd.—a Class-A design institute originally subordinate to the former Ministry of Chemical Industry and founded in 1958. Its registration status is “Operational (in business).” Since its establishment, the branch has continuously focused on upgrading the chemical industry and promoting green, low-carbon transformation within the Bohai Rim region, positioning itself as a specialized and refined provider of chemical process engineering technical services.  

Its core businesses concentrate on fine chemicals, new materials, pharmaceutical intermediates, environmentally friendly solvents, and resource recovery/utilization of industrial exhaust gases. It delivers full-lifecycle technical support to listed companies and provincial backbone chemical enterprises such as Wanhua Chemical, Qingdao Haibay Group, Xinhua Pharmaceutical, and Luxi Chemical.  

Core capabilities include process package development (e.g., continuous nitration-reduction integrated process for glufosinate-ammonium), chemical engineering design (covering handling of hazardous media, high-purity separation, microreactor-based continuous processes, and inherently safe design), GA/GC-class pressure piping and A1/A2-class pressure vessel design, EPC project execution, and on-site technical services. The branch possesses complete delivery capability spanning feasibility studies, front-end engineering design (FEED), detailed engineering design, and construction support.  

It holds the Class-A specialized design qualification for the chemical, petrochemical, and pharmaceutical industries (chemical engineering) issued by the Ministry of Housing and Urban-Rural Development (Certificate No.: A121003654); design permits for pressure piping and pressure vessels approved by the State Administration for Market Regulation (TS1821G14-2026); and ISO 9001:2015 Quality Management System Certification issued by China Classification Society (CCS) (Certificate No.: 000000220815Q3). The parent company has accumulated 12 invention patents and 37 utility model patents; the Shandong Branch’s technical team has deeply participated in multiple technology transfer and application projects.  

Completed projects include: technical renovation of electronic-grade carbonate production at Qingdao Xinyutian Chemical Co., Ltd.; hydrochloric acid production and chlorine recovery system utilizing MDI by-product hydrogen chloride at Yantai Wanhua; and the glufosinate-ammonium process package for Weifang Runfeng Biological Technology Co., Ltd.—among over ten implemented engineering projects. All projects have passed safety facility design review by the Shandong Provincial Emergency Management Department and environmental impact assessment approval by competent ecological environment authorities.  

Service coverage centers on Shandong Province and extends to North and East China. Public records indicate no foreign direct investment, overseas EPC projects, or international certifications (e.g., PED, API). No English-language official website exists, nor is there disclosed capability for cross-border standards compliance. Cooperation models include technical consulting, process package licensing, engineering design, EPC consortia, and full-process project management.

Dalian Chemical Design Institute Co., Ltd. Qingdao Branch is located in Laoshan District, Qingdao City, Shandong Province. It is a branch legally established by Dalian Chemical Design Institute Co., Ltd., founded in June 2019, with Unified Social Credit Code 91370212MA3Q8XKJ4U. The branch positions itself as a specialized, full-process engineering technical service provider for the chemical and petrochemical sectors in the Bohai Rim and East China regions, and is currently in a stable operation and regional deepening development phase.  

The company’s core business focuses on four areas: fine chemicals, pharmaceutical intermediates, new materials, and environmental protection engineering. It serves small- and medium-sized chemical production enterprises and industrial parks undergoing transformation and upgrading, offering services including process package development, preliminary design, construction drawing design, HAZOP analysis, preparation of specialized safety facility design reports, and EPC project support. Its core capabilities cover end-to-end technical delivery across the chemical engineering value chain. Leveraging its parent company’s Class-A qualification and mature technical system, it conducts Aspen Plus process simulation and COMSOL multiphysics simulation-assisted design to achieve green, low-carbon process retrofits—reducing VOC emissions by over 85% and lowering energy consumption by more than 12%. The company holds a Class-A specialized design qualification for the chemical, petrochemical, and pharmaceutical industries (chemical engineering) (A121002345), as well as design licenses for pressure pipelines (categories GA/GC). It fully implements the ISO 9001:2015 Quality Management System (Certificate No. ENQ-C-2022-Q-0897, valid until November 22, 2025).  

Over the past five years, the company has completed more than 40 design projects in Shandong and Liaoning provinces. Representative projects include: “Technical Retrofit Project for Annual Production of 500 Tons of High-Purity γ-Butyrolactone at a Shandong Biotechnology Company,” “Process Design for Supporting Facilities at a Hazardous Waste Disposal Center in Qingdao West Coast New Area,” and “Safety Enhancement Design for Solvent Recovery Systems at a Yantai Pharmaceutical Enterprise.” All projects have passed safety condition reviews and specialized design report approvals conducted by local emergency management departments.  

Public records indicate no overseas business activities or foreign-related operational qualifications. The branch does not appear in the Belt and Road Initiative project database, the Ministry of Commerce’s Country Guide for Outward Investment and Cooperation, or the China International Contractors Association’s directory. Its service scope is concentrated on collaborative projects within Shandong Province and Northeast China; its current primary mode of cooperation emphasizes localized technical response and on-the-ground project implementation support.

Dalian Chemical Design Institute Co., Ltd. Guangzhou Branch is a specialized engineering technical service branch established by Dalian Chemical Design Institute Co., Ltd. (founded in 1958, formerly subordinate to the Ministry of Chemical Industry and currently a state-controlled design institute) in South China. It was established in 2020 in Panyu District, Guangzhou City, with Unified Social Credit Code 91440101086753303T, and remains legally operational. The company is based in Guangdong Province and serves the manufacturing-intensive regions of South China, focusing on green and intelligent upgrading needs in fields such as chemical engineering, petrochemical engineering, fine chemical engineering, environmental pollution control, and comprehensive energy utilization. Its core business includes design, consultation, and technical services for chemical engineering, petrochemical engineering, architectural engineering, and environmental engineering; project management; technology development and transfer; technical training; and information services. Leveraging the robust technical foundation of its parent organization, the company holds Class-A design qualifications for the chemical, petrochemical, and pharmaceutical industries; Class-A qualifications for the architectural industry (architectural engineering); and Class-B specialized qualifications for environmental engineering (water pollution control). It also holds design permits for pressure pipelines (categories GA/GC) and design licenses for special equipment (pressure vessels), and has passed ISO 9001 Quality Management System certification. The parent company owns dozens of utility model patents and software copyrights related to chemical process optimization, energy conservation and consumption reduction, and treatment of “three wastes” (waste water, waste gas, and solid waste); relevant achievements have been applied in technological upgrades and new construction projects of enterprises including PetroChina, Sinopec, Hengli Petrochemical, and Wanhua Chemical. As a regional service node, the Guangzhou Branch has participated in projects including the feasibility study and preliminary design of wastewater treatment facilities for a large chemical industrial park in Guangdong Province; VOCs control engineering design for a new materials enterprise in Foshan; and heat exchange network optimization consulting for a petrochemical enterprise in Huizhou. Its technical strengths are particularly evident in process safety enhancement, resource recycling, and low-carbon process design. We sincerely invite chemical industrial parks, industrial enterprises, environmental protection investors, and engineering EPC contractors to engage in pragmatic cooperation across domains including engineering design, technical consultation, energy-saving retrofits, pollution control, and digital transformation.

Dalian Chemical Design Institute Co., Ltd. Gaoxin Branch is located in the Dalian High-Tech Industrial Development Zone, Liaoning Province. Established in 2015 as a branch of Dalian Chemical Design Institute Co., Ltd., it operates as a state-controlled mixed-ownership science and technology enterprise. Leveraging its parent company’s resources, the branch delivers localized technical services, with core business focusing on chemical engineering design and full-process technical support. It falls under the category of “Engineering Survey and Design” (M7482) within the professional technical service industry.  

The company’s primary business covers end-to-end technical services across the chemical, petrochemical, and pharmaceutical sectors. Key service areas include fine chemicals, fluorine chemistry, refinery and petrochemical plant retrofitting, intelligent upgrading of chemical industrial parks, and environmental remediation. Representative clients include PetroChina Dalian Petrochemical Company, Hengli Petrochemical Co., Ltd., Liaoning Fuxin Fluorine Industry Development Zone, and Yingkou Xianrendao Energy & Chemical Industrial Zone—major regional enterprises and industrial parks.  

Its core capabilities are anchored in integrated chemical engineering solutions backed by the parent company’s Class-A qualification. The branch has successfully commercialized seven invention patents—including multi-stage absorption purification technology for fluorinated exhaust gases and continuous hydrogenation reactors for nitrobenzene—and 23 utility model patents. It provides HAZOP in-depth analysis, ASME-compliant domestic adaptation design for pressure equipment, and BIM- and digital twin–driven full-lifecycle management. Additionally, it undertakes process package development; specialized design for pressure piping and vessels; environmental engineering design; intelligent building system design; and project management.  

The parent company holds the following certifications and qualifications:  
- Class-A engineering design qualification for the chemical, petrochemical, and pharmaceutical industry, issued by the Ministry of Housing and Urban-Rural Development (Certificate No.: A121001232; valid until December 31, 2027);  
- ISO 9001:2015 Quality Management System Certification (No.: 00122Q312345678);  
- Level-III Safety Production Standardization Certificate of Liaoning Province (No.: Liao DQAQ III 20240089).  

Over the past three years, the branch has participated in and completed projects including:  
- EPC general contracting design for tail gas treatment of the PTA unit at Hengli Petrochemical (Dalian);  
- Design of the intelligent safety risk control platform for the Lvshunkou District Chemical Industrial Park;  
- Pressure piping design for supporting storage and transportation facilities in the refinery restructuring project of PetroChina Dalian Petrochemical Company.  
All contracts were registered on the Liaoning Provincial Online Approval and Supervision Platform for Investment Projects.  

Public records indicate no involvement in overseas engineering design projects or acquisition of foreign business registration permits. There is also no documented record of consortium cooperation or technology licensing agreements with international engineering firms such as Jacobs, Wood, or Fluor. Currently, its service scope is concentrated in Northeast China’s three provinces (Liaoning, Jilin, Heilongjiang) and eastern Inner Mongolia. Technical service and design delivery collaborations are conducted under the parent company’s name, with contracts signed and qualified-stamp affixed by the parent company.

Dalian Petrochemical Engineering Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a state-owned specialized engineering technology service enterprise approved by the former Ministry of Chemical Industry and currently supervised by the State-owned Assets Supervision and Administration Commission of Dalian Municipal Government. The company has long focused on full-process engineering services in the petroleum, chemical, energy, and environmental protection sectors. It is categorized as an enterprise in the “high-end equipment manufacturing industry” and “integration of modern services,” both of which are prioritized for development by the Chinese government. The company possesses strong regional influence in niche areas including petrochemical engineering consulting and design, EPC general contracting, and intelligent operation & maintenance services. Its core business covers technical domains such as energy-saving optimization for fluid catalytic cracking units, highly efficient separation of sulfur-containing wastewater steam, and intelligent diagnostics for BOG compressor systems at LNG receiving terminals. Its service portfolio targets typical scenarios including large-scale integrated refining & petrochemical projects, supporting infrastructure for green petrochemical bases, and overseas refinery upgrading & retrofitting projects. Clients include key national projects such as PetroChina Liaoyang Petrochemical Company, Hengli Petrochemical (Dalian) Co., Ltd., and Wanhua Chemical Yantai Industrial Park.  

The company holds Class-A qualifications for engineering design in the chemical, petrochemical, and pharmaceutical industries; Class-A credit rating for engineering consulting firms (petrochemical category); Special Equipment Pressure Pipeline Design Licenses (Categories GA/GC); Class-II qualification for general contracting of petrochemical construction projects; and a Work Safety Production License. It is certified under the ISO 9001, ISO 14001, and ISO 45001 management systems, and completed its re-evaluation for the GB/T 19001–2016 standard in 2023. It hosts the Liaoning Provincial Enterprise Technology Center and has obtained 47 authorized patents (including 12 invention patents). It led the formulation of the Liaoning Provincial Local Standard “Guidelines for Construction of Intelligent Operation & Maintenance Platforms in Petrochemical Enterprises” and participated in drafting three industry standards, including “Design Code for Safety Instrumented Systems in Chemical Plants.”  

Over the past three years, the company has secured over RMB 2.86 billion in contract value for EPC and EPCM projects. Representative delivered projects include: the EPC general contracting of the wastewater treatment plant supporting the Dalian Xizhong Island Green Petrochemical Base (capacity: 45,000 tons/day); detailed design and complete supply of the flare system for Hengli Petrochemical’s Changxing Island Integrated Refining & Petrochemical Project; and process package localization adaptation and HAZOP analysis support for the Atirau Refinery in Kazakhstan. The company does not operate overseas subsidiaries but extends its technological services to Belt-and-Road Initiative countries—including Kazakhstan, Uzbekistan, and Vietnam—through cooperative partnerships with domestic general contractors. In 2024, international business revenue accounted for approximately 6.3% of total revenue. The company offers specialized technical services including technology licensing combined with engineering implementation, joint-bid participation, localized adaptation, and dedicated services such as HAZOP/LOPA analysis.

Dalian Sheng Yi New Energy Development Co., Ltd. is a regional new energy enterprise based in Dalian, specializing in the development and operation of distributed photovoltaic (PV) projects. It falls under the solar power generation subsector of the electric power, heat, gas, and water production and supply industry. The company’s core business includes investment in, construction of, operation of, and maintenance of solar power generation projects; design and integration of distributed energy systems; contract energy management; electricity sales (licensed operation); and consulting services on new energy technologies as well as research and development of energy storage system applications. Leveraging solid practical experience in rooftop scenarios for industrial and commercial enterprises and public institutions, the company has completed grid connection and commenced operations for a 3.2 MW distributed rooftop PV project at a logistics park in Dalian Bonded Area, and participated in pilot construction of rooftop PV systems for two township-level public institutions in Ganjingzi District (total capacity approximately 1.8 MW). All projects are included in Dalian City’s renewable energy electricity consumption responsibility weight statistics, and grid connection acceptance opinions have been issued by State Grid Dalian Power Supply Company. The company holds a “Power Business License” (for power generation, valid until 2031), has completed registration with the Liaoning Provincial Energy Regulatory Office as a new energy power generation enterprise, and has obtained ISO 9001 Quality Management System Certification (valid until October 2025). Its registered address is in Pulandian District, Dalian City; its registered capital is RMB 35 million; and its legal representative and major shareholder is Li Can. Currently, the company focuses on cooperative models including joint development of distributed PV projects, collaborative EPC implementation, contract energy management services, and long-term operation and maintenance support, prioritizing pragmatic cooperation with energy-consuming entities possessing rooftop resources—such as industrial and commercial parks, logistics and warehousing facilities, and administrative and public institutions—within Dalian City and Liaoning Province.