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Dalian Xin’an Energy Co., Ltd. is registered in Ganjingzi District, Dalian City, Liaoning Province. It is a national high-tech enterprise specializing in distributed energy system integration, integrated energy services, and application of novel energy storage technologies. Its industry classification is “Electric Power, Heat Production and Supply” (D4410). Since 2019, the company has entered a phase of scaled development and has completed delivery of 27 commercial and industrial energy storage projects across Liaoning, Hebei, and Shandong provinces, with a total installed capacity reaching 136.8 MWh.  

The company’s core business focuses on energy optimization scenarios for chemical industrial parks and large-scale industrial enterprises on the user side. Specific offerings include investment, construction, and operation of commercial and industrial user-side energy storage power stations; design and EPC general contracting of photovoltaic-storage-charging integrated microgrid systems; development of Energy Management Systems (EMS); and intelligent energy托管 services. Typical clients include process industries with high energy consumption and high flexibility requirements for load adjustment—such as petrochemicals, coal chemical processing, and fine chemical manufacturing.  

Its core technical capabilities encompass: high-precision joint estimation algorithms for lithium battery State-of-Charge (SOC) and State-of-Health (SOH); plug-and-play communication protocol adaptation modules for heterogeneous multi-source energy equipment; and an edge-side lightweight EMS platform. The company holds six authorized invention patents, 19 utility model patents, and 14 software copyrights. It has passed third-party testing by China Electric Power Research Institute (CEPRI) (Test Report No.: CEPRI-TEST-2024-EN0883).  

The company holds the following qualifications: Grade III General Contracting Qualification for Electric Power Engineering Construction; License for Installation (Maintenance/Testing) of Electric Power Facilities (Grade IV for Installation, Grade IV for Testing); and ISO 9001/14001/45001 integrated management system certifications. It has established the Liaoning Provincial Enterprise Technology Center (certified under Document No. Liao Xin Gong Fa [2022] 187 issued by the Liaoning Provincial Department of Industry and Information Technology).  

Representative projects include: (1) the comprehensive energy retrofit project for Dalian Ice Mountain Group in 2023—featuring combined cooling, heating, and power (CCHP) plus energy storage—with a total investment of RMB 120 million and annual peak-shaving and valley-filling electricity volume of 18.6 GWh; and (2) the 12 MW / 24 MWh user-side energy storage peak-shaving project at Hengli Petrochemical Park, selected in 2024 for the demonstration project list issued by the Liaoning Provincial Energy Administration.  

Public records indicate no foreign direct investment, international engineering contracting experience, or overseas subsidiaries. Its current business operations are confined to China’s Bohai Rim Economic Circle. Cooperative models include EPC general contracting, technology licensing plus engineering implementation, customized development of intelligent energy platforms, and full-lifecycle operation & maintenance (O&M) outsourcing.

Dalian Zion Technology Co.,Ltd. is registered in the Songmu Island Chemical Industry Park, Puwan New Area, Dalian City, Liaoning Province. It is a technology service enterprise specializing in industrial information security and a national high-tech enterprise currently in the stage of large-scale application and deep industry expansion. The company’s core business covers security testing of industrial control systems (ICS) for critical infrastructure in the chemical industry, firmware security analysis of embedded devices, in-depth parsing of industrial protocols and modeling of anomalous behaviors, and provision of customized security protection solutions for coal chemical, petrochemical, fine chemical, and environmental protection enterprises. Its clients include State Grid Liaoning Electric Power Co., Ltd., China Huaneng Group Northeast Branch, and Dalian Shipbuilding Industry Group Co., Ltd.—major energy and heavy-industry customers. Its core capabilities are embodied in its proprietary “SiAn-FirmwareScan” firmware static analysis platform and “ICS-DeepSight” dynamic behavior simulation sandbox, which support source-code-free reverse engineering and zero-day vulnerability identification for Siemens S7-1200/1500, Rockwell ControlLogix, and Schneider Modicon series PLC firmware, and achieve deep compatibility with domestic hardware such as LoongArch-based Loongson 3A5000 and Phytium D2000, as well as domestic operating systems including Huawei EulerOS and UnionTech UOS. The company has obtained dual certifications for ISO 9001:2015 Quality Management Systems and ISO/IEC 27001:2022 Information Security Management Systems; holds the “Commercial Cryptography Product Certification Certificate” (GM005220240008); is listed in the “Recommended Directory of Cybersecurity Level Protection Assessment Institutions” (DLP-2025-LN-037); and has been designated by the National Industrial Information Security Development Research Center as an “Industrial Information Security Emergency Service Support Unit.” Representative achievements include: serving continuously from 2022 to 2024 as the contractor responsible for industrial control asset mapping and risk assessment tasks at the Liaoning Provincial Node of the National Industrial Information Security Monitoring and Early-Warning Network; delivering full-lifecycle security hardening services for the Train Control and Management System (TCMS) of CRRC Dalian Locomotive & Rolling Stock Co., Ltd., with results selected for inclusion in the Ministry of Industry and Information Technology’s “2023 Typical Cases of Data Security Management Pilots in the Industrial Sector”; and completing, in 2024, the protocol stack compatibility security audit of the Russian SCADA platform within the China-Russia cross-border energy pipeline automation system joint defense project, resulting in the bilingual (Chinese-Russian) “White Paper on Interoperability Security for Cross-Border Industrial Control Systems.” Leveraging the China–Northeast Asia Cybersecurity Cooperation Mechanism, the company has established a technical response liaison point in Astana, Kazakhstan, providing localized industrial control security assessment services to the five Central Asian countries, primarily through collaborative technical validation, joint standard research, and emergency support—publicly available information does not indicate direct export sales or establishment of overseas subsidiaries.

Dalian Wafangdian Ganghua Gas Co., Ltd. is a wholly owned subsidiary of Towngas Smart Energy Co., Ltd. (1083.HK) established in Wafangdian City, Liaoning Province. It is a regional urban gas franchise operator specializing in urban gas transmission and distribution as well as integrated energy services. The company’s core businesses include piped natural gas supply, retail of bottled liquefied petroleum gas (LPG), and compressed natural gas (CNG) refueling services for vehicles. Its service scope further extends to sales and installation of gas appliances, energy management outsourcing for industrial and commercial customers, distributed energy consulting, and intelligent upgrading of aging gas pipelines—offering comprehensive solutions. Leveraging Towngas Group’s nationwide gas network and standardized management system, the company has constructed over 420 kilometers of medium- and low-pressure gas pipelines covering Wafangdian’s main urban area and parts of its townships, serving more than 180,000 residential customers and over 2,100 industrial and commercial customers. Equipped with remote monitoring, leak early-warning, and load forecasting capabilities, the company has completed an upgrade of its citywide SCADA system and replaced 32,000 IoT-enabled gas meters, implementing the “Smart Grid Project.” It holds the “Gas Business License” (Liaoning Gas Business License No. [2023] 028, valid until June 2028) issued by the Liaoning Provincial Department of Housing and Urban-Rural Development, strictly adheres to national and industry standards including GB 50028 and CJJ/T 153, and has obtained certification under ISO 9001, ISO 14001, and ISO 45001 management systems. In recent years, in alignment with Dalian City’s “14th Five-Year Plan” for clean energy substitution, the company has advanced rural gas connection projects in areas such as SANTAI Township and Xietun Town, completing gas supply to a total of 17 villages. It provides services—including secure and reliable gas supply, intelligent pipeline operation and maintenance, clean energy substitution consulting, and customized integrated energy service cooperation—to local governments, industrial parks, industrial and commercial customers, and energy service providers.

Dalian Jinzhou Kunda Paint Factory is located in Jinzhou District, Dalian City, Liaoning Province. It is an individually operated business established in 2005 and currently listed as “in operation” in official registration records; however, it has been continuously included on the List of Enterprises with Abnormal Operations since July 2023. Its primary business involves the sale and processing (limited to branch operations) of coatings (excluding hazardous chemicals), supplemented by trading in construction and decoration materials as well as hardware, electric, and electronic products. Publicly available information indicates no record of established branches, a long-standing zero-employee social insurance enrollment count, and failure to submit annual reports for four consecutive years (2022–2025). No records regarding production qualifications, environmental permits, industry certifications, intellectual property, or technological achievements are found on authoritative platforms including the National Enterprise Credit Information Publicity System, the Ministry of Ecology and Environment’s Emission Permit Platform, the China Coating Industry Association Directory, or the China Patent Publication and Announcement Network. Its core business focuses on trade and simple processing of general-purpose architectural and industrial protective coatings, primarily serving local small- and medium-sized construction and decoration projects, routine maintenance of general industrial plants, and regional building material distribution channels; there is no publicly verifiable evidence indicating its participation in high-barrier application scenarios such as coal chemical engineering, petrochemicals, fine chemicals, new materials, or environmental protection engineering. Regarding core capabilities, publicly available information does not indicate autonomous process package development, EPC project delivery, complete equipment manufacturing, integrated automation control systems, specialized equipment design and manufacturing, or professional operation and maintenance technical service capabilities; nor does it disclose specific implementation scopes or delivered case examples related to heat/cold exchange equipment, separation equipment, electrical/electromechanical systems, or supply chain integration. Concerning standards and qualifications, no valid publicly available credentials are found, including ISO management system certifications, hazardous chemical registration certificates, work safety production licenses, Ministry of Industry and Information Technology (MIIT) coating industry access qualifications, High-Tech Enterprise status, or “Specialized, Refined, Distinctive, and Innovative” enterprise recognition. No publicly disclosed typical performance records exist—including project names, client identifiers, or facility-level delivery documentation—and no details are provided regarding specific project types, scale metrics, or deliverables. Regarding international and regional presence, publicly available information shows no cross-border business activities, overseas project deliveries, multilingual technical adaptation capabilities, or consortium collaboration experience. The enterprise’s currently verifiable operational substance is confined to regional circulation and basic processing of non-hazardous coatings; cooperation modalities are limited exclusively to spot purchases, custom color-matching, and localized small-batch supply. Platform users seeking engagement must rigorously verify its actual performance capability and on-site processing conditions.

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. 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.