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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.

Dalian Jiacheng Resourse Engineering & Equipment co.,Ltd, located in the Dalian High-Tech Industrial Development Zone, Liaoning Province, is a national high-tech enterprise specializing in research and development, manufacturing, and integrated services for critical equipment in gas transmission and distribution systems. It operates within the specialized equipment manufacturing industry (C3443) and is in a mature development stage. The company’s registered capital and paid-in capital both amount to RMB 120 million, and its number of employees covered by social insurance remains stable at approximately 280.  

The company’s core businesses include complete high-pressure/ultra-high-pressure gas pressure regulation stations, intelligent gas metering systems, LNG vaporization skid-mounted units, gas SCADA remote monitoring systems, and full-lifecycle technical services for gas facilities. Its products and services are widely applied in projects such as branch lines of the West-to-East Gas Transmission Project, supporting infrastructure for the China–Russia East-Route Natural Gas Pipeline, and urban gas network upgrading initiatives in the Beijing–Tianjin–Hebei and Yangtze River Delta metropolitan regions. Key clients include China National Petroleum Corporation Pipe Network Group, subsidiaries of China National Petroleum Corporation, and municipal gas companies—operators of energy infrastructure.  

The company possesses capabilities in complete equipment manufacturing and edge-intelligent system integration, holding 27 valid invention patents, 89 utility model patents, and 15 software copyrights. Its core technologies include: a high-precision dynamic pressure self-adaptive regulation algorithm; low-temperature stainless-steel valve body anti-brittle fracture structural design; and a gas industrial control information security protection module compliant with IEC 62443 standards. Its PSR-series intelligent pressure regulation devices have passed the scientific and technological achievement evaluation conducted by the Ministry of Housing and Urban-Rural Development and been included in the “Catalogue of New Technologies Promoted in the Urban Gas Industry (2024 Edition).” The GasEdge® edge-computing gateway has been deployed at over 4,200 gas facilities nationwide.  

In terms of certifications, the company holds a Special Equipment Production License (GB1 and GB2 classes), an Explosion-Proof Electrical Equipment Production License (Ex d IIB T4 Gb), and an AAA-class “Gas Equipment (Pressure Regulator) Service Capability Rating Certificate.” It is also certified under ISO 9001, ISO 14001, and ISO 45001.  

Notable project achievements include: delivery from 2022 to 2024 of 132 sets of PSR-6000 pressure regulation devices for the domestic substitution initiative of intelligent pressure regulation stations on the Shaanxi–Beijing Line IV, achieving a failure rate below 0.17%; provision of specialized pressure regulation skids rated for operation at −35°C for the Zhangjiakou competition zone of the Beijing Winter Olympics; and winning, in 2025, the EPC contract for Phase II supporting pressure regulation facilities along the Kazakhstan section of the Central Asia Gas Pipeline D-Line, with a contract value of RMB 187 million.  

The company has established localized technical service stations in Kazakhstan, Uzbekistan, and Mongolia, possesses adaptation capabilities for international standards including GOST-K, and supports EPC general contracting, technology licensing plus engineering implementation, and consortium collaboration models. Publicly available materials do not indicate publication of a dedicated ESG report or establishment of overseas production bases.

Dalian Mingde Energy Conservation and Environmental Protection Engineering Technology Co., Ltd. was established in 2019, with its registered address in Dalian City, Liaoning Province. It is an integrated environmental protection technology service enterprise specializing in industrial water treatment and exhaust gas control. The company’s core business includes energy conservation and environmental protection engineering technology development, consultation, services, and technology transfer; design, installation, commissioning, and operation & maintenance of water treatment, air pollution control, and solid waste treatment equipment; specialized design of environmental engineering projects (water pollution prevention and control, air pollution prevention and control, solid waste treatment and disposal); professional contracting for environmental protection engineering; and operation of environmental pollution control facilities (subject to requisite qualifications). Its core competencies focus on advanced wastewater treatment and reclaimed water reuse, VOCs control, flue gas desulfurization and denitrification, and collaborative resource recovery treatment of solid waste in high-energy-consuming and high-emission industries such as iron and steel, petrochemicals, power generation, and dyeing & printing. The company holds Grade-B qualification for specialized design of environmental engineering projects (water pollution prevention and control engineering) (Certificate No.: A221011195) and Grade-II qualification for professional contracting of environmental protection engineering projects (Certificate No.: D221046411), and has obtained certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System. Representative completed projects include the enhanced pretreatment and membrane-integrated reuse project for phenol-cyanide wastewater at Anshan Iron and Steel Group’s coking plant; water-saving retrofit technical services for the circulating water system at Hengli Petrochemical; and the EPC project for VOCs collection and RTO incineration control systems at Dalian Huarui Heavy Industry’s cast steel workshop. Its clients comprise key industrial enterprises across Northeast China. Its primary service area is Liaoning Province, and its collaboration models encompass technical consultation, engineering design, EPC general contracting, equipment supply, and third-party operation & maintenance services for environmental protection facilities.

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

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

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

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

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

大连科林能源工程技术开发有限公司位于辽宁省大连市甘井子区，是一家成立于2003年的高新技术企业，专注于能源工程技术研发与系统集成服务，所属行业为“能源工程技术研究与试验发展”（M7320），长期服务于中石油、中海油、国家管网集团等大型能源央企。公司主营业务覆盖油田地面工程、LNG接收站配套系统、工业节能改造、智慧能源管理平台及新能源项目咨询设计，典型应用场景包括陆上油气田低碳化运行、LNG冷能梯级利用、数字化注水站能效提升及压气站余热回收等。公司具备LNG气化冷能复合式换热系统（ZL201910238765.2）、KL-EMS能源监测与仿真平台（V3.2）等自主知识产权，拥有发明专利5项、实用新型专利18项、软件著作权12项，全部处于有效状态；可提供从工艺包开发、动态负荷预测、参数智能寻优到EPC交付的全链条技术服务，已在12个陆上油气田部署KL-EMS平台，平均降低单站综合能耗8.3%。公司持有GB/T 19001/ISO 9001、GB/T 24001/ISO 14001、GB/T 45001职业健康安全管理体系认证，具备压力管道GC1级与GCD级设计许可，并通过中国石油工程建设协会能源工程咨询甲级资信评价。代表性业绩包括中海油辽宁滨海LNG接收站二期冷能利用系统优化项目（2022–2024）、大庆油田采油七厂数字化注水站节能改造EPC项目（2021–2023）、国家管网西三线压气站余热回收可行性研究（2020年），相关信息见《中国石油报》及国家管网官网公示。公司未设立海外分支机构或开展境外直接投资，但通过向中石化国际事业公司提供LNG接收站工艺包技术服务（合同编号：SINOPEC-INTL-2022-EN-087），间接支持中国企业在阿曼、巴西等地的能源基建项目，技术服务内容列入商务部《对外投资合作国别指南》2025年版附录B“国内技术服务商名录”。

Dalian Kaihua New Technology Engineering Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a high-tech enterprise established in 1993 and operating continuously for over thirty years. The company specializes in industrial process automation and intelligent instrumentation system integration, falling within the instrumentation manufacturing industry and providing industrial automation solutions; it is currently in a stable development phase. Its core business covers research, development, and manufacturing of thermal instrumentation and field detection instruments—including pressure, temperature, flow, and level measurement devices—as well as integration of Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC), and customized automatic control engineering services tailored to industries such as petrochemicals, coal chemical processing, fine chemicals, metallurgy, and environmental protection wastewater treatment. Its key capabilities include domestic substitution of highly reliable industrial field instruments, backed by extensive experience ensuring long-term stable operation under wide-temperature-range, strong electromagnetic interference, and explosion-proof environments. The company holds five utility model patents (e.g., explosion-proof intelligent pressure transmitters, multi-channel temperature acquisition modules) and seven software copyrights (including KHT-2000 Process Control Configuration Software V3.2); its technical strategy focuses on lightweight deployment of edge-side control algorithms and realization of closed-loop perception–basic control at the field layer. The company has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 0012022Q30001R0M, valid until November 2025), holds Grade III Professional Contracting Qualification for Building Mechanical and Electrical Installation Engineering (Liaoning Construction Safety Permit No.: [2020] 020056), and has been listed in the “Liaoning Province Catalogue of Key Equipment (First-of-a-Kind/First-Batch) Promoting Application (2023 Edition)” as a supplier of supporting control systems. Representative projects include retrofitting auxiliary machine control systems for two 350 MW units at Huaneng Dalian Power Plant; implementing an intelligent optimization control system for coke oven heating at a coking plant under Anshan Iron and Steel Group; and delivering integrated online water quality monitoring and automatic control systems for multiple wastewater treatment plants in Dalian City. Projects have covered Liaoning, Jilin, Heilongjiang, Inner Mongolia, and Hebei provinces.