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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. 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. 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 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.

Dalian Shengrui Technology Development Co., Ltd. is located in the Dalian High-Tech Industrial Development Zone, Liaoning Province. Established in 2003, it is a technology service enterprise specializing in industrial automation control system integration and intelligent equipment R&D. The company’s registered capital and paid-in capital are both RMB 10 million. Its registration status is “Active.” It holds the qualification of a National High-Tech Enterprise and ISO 9001:2015 Quality Management System Certification (Certificate No.: 00121Q31238R1M). It also holds a “Construction Enterprise Qualification Certificate” (Grade III General Contracting Qualification for Mechanical & Electrical Engineering Construction) and a “Work Safety Production License,” and has completed registration on the National Construction Market Supervision Public Service Platform.  

The company’s core business focuses on heavy industries such as metallurgy, electric power, and port machinery, providing deep technical support to process industry clients—including coal chemical, petrochemical, and environmental protection sectors—for automation upgrades. It delivers full-lifecycle technical services, including PLC programming and commissioning, DCS/SCADA system integration, industrial data acquisition, and remote monitoring platform development.  

Its core technologies cover in-depth industrial protocol analysis (supporting Modbus, Profibus, CANopen, and OPC UA), co-design of embedded edge controller hardware and software, and anti-interference signal acquisition architecture suitable for high-dust, strong electromagnetic interference environments. The company owns two invention patents, seven utility model patents, and fourteen software copyrights. It led the formulation of the “SR-SCADA System Engineering Implementation Specification” (Q/DLSR 001–2021), which has been filed with the Liaoning Provincial Market Supervision Administration. All projects strictly comply with national standards including GB 50171–2012 and GB/T 28827.3–2012, and have passed the German TÜV Rheinland SIL2-level functional safety assessment.  

Representative projects include:  
- In 2021, completion of the domestic substitution and retrofitting project for the PLC control system of ship unloaders at Phase III of Dalian Port Ore Terminal (contract value: RMB 8.6 million), achieving 100% independent controllability of critical control units;  
- In 2022, delivery of the DCS system upgrade project for the coke dry-quenching facility at Benxi Iron and Steel Group Corporation, covering 12 independent control stations; the system has operated continuously without failure for over 21,000 hours;  
- In 2023, undertaking the EPC project for the automated monitoring system of the bulk cargo terminal supporting the Padma Bridge in Bangladesh, awarded to China Communications Construction First Harbor Consultants Co., Ltd.; the system entered commercial operation in June 2024.  

Currently, its service network covers 12 provinces, including Liaoning, Hebei, Shandong, and Jiangsu. Its client base includes major state-owned enterprises such as China Baowu Steel Group, Anshan Iron and Steel Group, China Merchants Ports Holdings, and China Communications Construction Company. Leveraging a “technology + service” model, the company has expanded into South Asia and Southeast Asia—including Bangladesh and Vietnam—establishing localized technical support liaison points. However, it has not yet established overseas legal entities or obtained international product certifications such as EU CE or U.S. UL. Publicly available information does not indicate involvement in specialized chemical process packages, special equipment manufacturing licenses, or nationally funded scientific research projects.

Dalian Jinzhou District Sanmu Gas Co.,Ltd. was established in 2002, with its registered address at No. 61, Bali Village, Yongzheng Street, Jinzhou District, Dalian City, Liaoning Province. It is a regional gas supplier specializing in the production, filling, storage, sale, and provision of supporting technical services for industrial gases. The company primarily supplies compressed and liquefied gases—including oxygen, nitrogen, argon, carbon dioxide, acetylene, hydrogen, and liquefied petroleum gas (LPG)—serving multiple sectors such as mechanical processing, shipbuilding, pressure vessel welding, food preservation, and medical support. It provides manufacturing enterprises with stable and reliable industrial gas solutions, including customized gas supply and on-site gas generation support. The company possesses solid qualification credentials: it holds the “Production Safety Permit for Hazardous Chemicals” issued by the Liaoning Provincial Department of Emergency Management (No.: Liao Wei Hua An Xu Zi [2023] 02-0086) and the “Special Equipment Production Permit” (for cylinder filling) issued by the Liaoning Provincial Market Supervision Administration (No.: TS4221971-2027); both permits are valid until 2027. Additionally, the company has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q3123456R3M, valid until November 2025). Typical service clients include major local equipment manufacturing enterprises such as Dalian Huarui Heavy Industry Co., Ltd. and COSCO Kawasaki Ship Engineering Co., Ltd. All verifiable projects and services offered by the company are concentrated within Liaoning Province, particularly in Dalian City and the southern Liaoning region. The company is committed to becoming a compliant backbone entity within the local industrial gas security system, offering manufacturing enterprises diversified cooperation models—including gas products, equipment sales, and application technical consulting services.

Dalian Sanhui Thermal Power Co., Ltd. is located in Yingchengzi Subdistrict, Ganjingzi District, Dalian City, Liaoning Province. It is a public utility enterprise specializing in urban centralized heating and combined heat and power (CHP) generation, with a focus on energy conservation and environmental protection. The company was jointly established by state-owned controlling entities and natural persons, with a registered capital of RMB 50 million. It holds the exclusive operating rights for heating services in Dalian’s main urban area (including the Yingchengzi area of Ganjingzi District and parts of Nanguanling), serving a total heating area exceeding 8 million square meters and over 62,000 residential users.  

The company’s core business covers integrated gas-fired heating system solutions, CHP energy management, intelligent renovation of aging heating pipelines, and demonstration projects for zero-carbon heating technologies. Its primary service scenarios include upgrading urban heating infrastructure, recovering waste heat from industrial parks, and implementing energy-saving retrofits for public buildings.  

Its core capabilities include: design and operation of gas-steam combined-cycle heating systems; complete application of deep flue-gas waste-heat recovery equipment; dynamic balancing and regulation of heating networks based on AI-driven load forecasting (implemented during the 2024–2025 heating season, achieving a 4.7% year-on-year reduction in comprehensive energy consumption per unit of heat supplied); and intelligent renovation of primary heating pipelines with diameters ranging from DN300 to DN800 (including deployment of intelligent temperature-and-pressure sensing terminals and platform integration).  

The company holds the following certifications: the “People’s Republic of China Special Equipment Production License” (Class A for boiler installation, modification, and repair), the “Electricity Business License” (for CHP generation), and the “Level II Standardized Enterprise for Safety Production” (for thermal power production). It has also achieved integrated certification under ISO 9001, ISO 14001, and ISO 45001 management systems. All certificates are verifiable on the “National Certification and Accreditation Information Public Service Platform” and remain valid until 2027.  

Representative projects include the 2022 Intelligent Renovation Project for Aging Pipelines in the Yingchengzi Area (covering 17.6 km of primary pipelines and installing 213 intelligent terminals) and the “Zero-Carbon Heating Demonstration Station” pilot project launched in 2024 (based on a multi-energy complementary system integrating rooftop photovoltaics, energy storage, and gas-fired boilers, achieving over 35% daily green electricity consumption and included in the Liaoning Provincial Development and Reform Commission’s demonstration project database for new energy systems).  

Public records indicate no overseas direct investment, international engineering contracting activities, or overseas subsidiary operations by the company, nor any overseas certification records. Its primary cooperation models include domestic EPC general contracting, technology licensing coupled with localized engineering implementation, and industry-university-research collaborative R&D—for example, low-nitrogen combustion technology collaboration with the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, and deployment of a heating AIoT platform with Huawei Digital Power.

Dalian Pudao Anda Special Equipment Safety Technology Service Co., Ltd. is located in Ganjingzi District, Dalian City, Liaoning Province. Established in 2017, the company is a specialized service provider focused on full-lifecycle safety management of special equipment and is currently in a stable growth phase. It operates at the intersection of safety technology consulting and inspection, testing, and certification services within the professional technical service industry. Its core business targets chemical and related process industries, delivering safety technology consulting and evaluation, auxiliary services for qualification examinations of special equipment operators, identification and control system construction for safety risks, and development and operational support for supporting information systems to end-users of special equipment in sectors such as petrochemicals, coal chemical engineering, fine chemicals, and new materials. Its core competencies include compliance assessments and technical rectification recommendations for special equipment—such as pressure vessels, pressure piping, and lifting machinery—to assist enterprises in establishing risk prevention and control systems conforming to the “Special Equipment Safety Law” and TSG-series regulatory requirements; it can also assist clients in aggregating inspection and testing data, implementing closed-loop management of hazards, and constructing digitalized record-keeping ledgers. Its technical service delivery covers the entire process—from initial risk identification and mid-phase solution formulation to post-phase training implementation and execution. Publicly available information indicates that the company does not hold CMA, CNAS, or TSG accreditation qualifications, nor does it possess ISO 9001 or ISO 45001 management system certifications. Additionally, no invention patents or utility model patents registered with the China National Intellectual Property Administration are publicly recorded for this company. As of March 2026, no government-contracted special equipment safety service projects awarded to the company under its own name appear on the National Public Resources Trading Platform (Liaoning Province) or the China Government Procurement Network. Typical performance information remains undisclosed in mainstream industry reports, tender documents, or authoritative journals. The company’s service region is currently concentrated in Liaoning Province and the broader Northeast China region; publicly available information reveals no overseas project experience, capability to adapt to international standards, or cases of cross-border consortium cooperation. Its primary modes of collaboration include localized on-site consulting, customized training, delivery of risk assessment reports, and collaborative operation and maintenance of information systems—suitable for daily safety operations support of chemical enterprises requiring continuous compliance management of special equipment.