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Nanjing Municipal Engineering Design and Research Institute Co., Ltd. (abbreviated as “Nanjing Municipal Engineering Institute”) is a state-owned, comprehensive municipal engineering survey, design, and full-process engineering consulting service provider with over 70 years of expertise in urban infrastructure. Its predecessor was the Nanjing Municipal Engineering Design Office, established in 1952. The institute completed its corporate reform in 2017 and is now a wholly owned subsidiary of Nanjing Urban Construction Investment Holding (Group) Co., Ltd. The enterprise positions itself to support high-quality urban development, with core businesses covering the entire technical service chain—including municipal public works (roads, bridges, tunnels, water supply, drainage, sewage treatment, utility tunnels, sponge cities, and slow-traffic systems), urban and rural planning, transportation engineering, environmental engineering, geotechnical engineering, and BIM and intelligent municipal technology applications. Leveraging key qualifications—including Class-A Comprehensive Engineering Design Qualification, Class-A Comprehensive Engineering Survey Qualification, and Class-A Credit Rating for Engineering Consulting Firms (Municipal Public Works)—as well as ISO 9001/14001/45001 management system certifications and extended qualifications for pressure pipelines, highways, and buildings, the institute possesses systematic capabilities spanning early-stage planning, survey and design, technical consulting, standards development, and intelligent implementation. It employs nearly 600 professional and technical personnel, over 40% of whom hold senior professional titles, and more than 180 are registered engineers—including one national-level Engineering Survey and Design Master and two Jiangsu Provincial Design Masters. To date, the institute has received over 100 national- and provincial/ministerial-level awards for outstanding survey and design projects and has led or participated in drafting more than 10 national and local standards, including the Technical Specification for Monitoring and Alarm Systems of Urban Utility Tunnels. Its project practice spans over 20 provinces (autonomous regions and municipalities directly under the Central Government) nationwide, with the Yangtze River Delta region as its core. It has deeply engaged in regional collaborative initiatives such as the Nanjing Metropolitan Circle and the integrated development of Nanjing-Zhenjiang-Yangzhou, undertaking government-commissioned tasks including the “14th Five-Year Plan” Special Municipal Planning and the Three-Year Action Plan for Drainage and Flood Control. The institute has also developed distinctive technical expertise in areas such as deep-bore tunnel shield design, low-carbon process technologies for reclaimed water plants, BIM-based forward design, and integration with CIM platforms. It provides multidimensional collaborative support—including full-process engineering consulting, specialized technical breakthroughs, standards research and development, and digital solutions—to local governments, urban construction investment platforms, real estate developers, and engineering EPC contractors.

Greentown Housing Technology Co., Ltd. is a wholly owned subsidiary of Greentown China Holdings Limited (03900.HK), specializing in construction technology and residential industrialization. Positioned as a “technology service provider for the full real estate lifecycle,” the company is committed to advancing innovations in residential construction methods and upgrading living quality. Its core business encompasses: development and application of Building Information Modeling (BIM) technology; research, development, and integrated services for prefabricated construction technologies; research, development, and sales of green, low-carbon building materials; smart community system solutions; digital renovation and operation & maintenance (O&M) platform construction for existing buildings. Leveraging its independently developed “Zhulian” series of core technology products—including the BIM forward-design platform, the “Zhigou” prefabrication deep-design system, and the “Anju Cloud” residential digital twin O&M platform—the company has established a technical pathway characterized by parametric modeling, component-level data integration, and edge-computing-driven intelligent on-site scheduling. The company has undertaken standardized component design and BIM collaborative management for over 85% of Greentown China’s new residential projects; participated in drafting three provincial technical standards, including the Zhejiang Province Design Standard for Prefabricated Concrete Residential Buildings; holds 12 valid invention patents, 37 utility model patents, and 29 software copyrights; and has obtained certification under ISO 9001, ISO 14001, and ISO 45001 management systems. It also possesses Grade III general contracting qualification for architectural engineering construction, Grade I specialized contracting qualification for architectural decoration and renovation works, and CMA testing and inspection accreditation. Representative projects include: Phase II of Hangzhou Yunqi Meiguiyuan (one of China’s first AA-rated demonstration projects for prefabricated construction); Greentown Qinyuan in Chaoyang District, Beijing (integrated with AI-powered drawing review module, reducing design cycle by 32%); and Guiyu Lanting in Qianhai, Shenzhen (reducing carbon emissions per unit floor area by 26.4%, awarded Three-Star Green Building Design Certification). The company’s operations cover core urban agglomerations including the Yangtze River Delta, Beijing-Tianjin-Hebei, and Guangdong-Hong Kong-Macao Greater Bay Area. Its primary clients are projects within the Greentown China system; it also provides customized technology transfer and component supply to 12 leading real estate developers—including China Resources Land and Yuexiu Property—supporting multidimensional collaboration such as BIM collaborative consulting, prefabricated technology integration, green building material supply, smart O&M platform deployment, and digital renovation of existing buildings.

Luoyang Oukemai Automatic Control Engineering Co., Ltd. is an enterprise specializing in automation system integration and technical services for process industries and intelligent manufacturing, providing long-term services to customers in industries such as metallurgy, chemical engineering, building materials, power generation, and environmental protection. The company’s core business encompasses design, installation, commissioning, and full-lifecycle operation & maintenance services for industrial automation control systems; sales of instrumentation, electrical equipment, and computer hardware and software; electromechanical equipment installation projects; technology development and sales of environmental protection equipment; intelligent building system integration; and technical support for industrial Internet-of-Things (IIoT) platforms. Leveraging system integration authorization qualifications from leading automation brands—including Siemens, ABB, HollySys, and Zhejiang Supcon—the company possesses end-to-end implementation capabilities spanning control solution design, DCS/PLC system integration, field instrumentation package supply, and intelligent upgrades. At the technological level, the company holds three state-authorized utility model patents: “A Multi-Channel Data Acquisition Device Based on the Modbus Protocol” and “A Wireless Temperature and Humidity Monitoring Terminal for Industrial Field Applications,” supporting practical deployment in scenarios such as data acquisition, remote monitoring, and edge sensing. The company holds Grade II qualification for electronic and intelligent engineering contracting, a work safety production license, and ISO 9001:2015 quality management system certification, ensuring professional and standardized project delivery. Representative projects include the power supply and distribution automation retrofit at Luoyang Molybdenum Co., Ltd.’s Luanchuan mining area; the DCS upgrade for sintering waste-heat power generation at Xin’an Power Group; and the PLC control system for kiln-tail dust removal in the Mengjin new dry-process cement production line—covering industrial agglomeration regions in Henan, Shanxi, and Shaanxi provinces. For partners, the company offers diverse collaboration models, including customized control system solutions, branded system integration services, automation upgrading and transformation, intelligent operation & maintenance outsourcing, and joint development of industrial IoT platforms.

Liaoning Zhongzhou Deshui Environmental Protection Technology Co., Ltd. is a high-tech enterprise specializing in ecological environment governance, positioned as a professional third-party environmental governance service provider, operating within the “ecological conservation and environmental governance” industry. The company’s core business encompasses water pollution control, air pollution control, soil pollution remediation, as well as environmental protection technology development, consulting, transfer, and services; sales, installation, and operation & maintenance of environmental protection equipment; third-party environmental pollution governance; technical consulting for environmental impact assessment (excluding qualification-based EIA report preparation); and sludge treatment and disposal services. Its core competencies focus on integrated technologies and engineering applications for industrial wastewater and rural domestic sewage treatment, particularly demonstrating mature practical experience in pretreatment of refractory organic wastewater (e.g., coupled Fenton oxidation and hydrolytic acidification processes) and resource-oriented utilization of rural black-and-odorous water bodies and domestic sewage (e.g., combined process of “pretreatment + ecological filter bed + solar-powered micro-aeration”). The company holds ISO 9001:2015 Quality Management System and ISO 14001:2015 Environmental Management System certifications, covering environmental protection technology R&D as well as design and implementation of water pollution control projects. It has been included in Liaoning Province’s 2024 “Directory of Third-Party Environmental Governance Service Providers” and possesses official registration qualifications for “water pollution prevention and control technical services in industrial agglomeration zones.” Implemented projects include the pilot project for resource-oriented utilization of rural domestic sewage in Da Hongqi Town, Xinmin City (serving 327 households, with effluent meeting the dryland crop irrigation water quality standard limits stipulated in the “Water Quality Standard for Agricultural Irrigation”), and the pretreatment system for high-concentration, refractory wastewater at a pharmaceutical enterprise in Benxi High-Tech Industrial Development Zone (achieving stable COD removal rate of 76.3%). The company holds one authorized invention patent and three utility model patents, all focused on optimization of wastewater pretreatment materials and modularized equipment. Its service coverage is concentrated in Liaoning Province, primarily targeting local governments, industrial parks, industrial enterprises, and universities/research institutions; collaboration models include technical consulting, EPC (Engineering, Procurement, and Construction) general contracting, joint testing, and operation & maintenance outsourcing.

Liaoning Xingyaoda Design Group Co., Ltd. is a specialized technical enterprise focusing on full-lifecycle design services for construction engineering. Its core business covers planning, architecture, landscape, municipal engineering, BIM technology development and application, green building consulting, and engineering consulting. The company holds the Class-A Comprehensive Engineering Design Qualification (Certificate No.: A121011225), enabling it to undertake engineering design projects of all industries and grades; it is among the few enterprises in Liaoning Province possessing this highest-level design qualification. Leveraging its solid technical foundation, the company has developed distinctive capabilities in cold-region building energy efficiency, optimization of prefabricated building connection details, stormwater runoff simulation for sponge cities, and BIM-driven energy consumption analysis. It has been granted 12 utility model patents and 23 software copyrights; notably, its “Passive Building Envelope Structure Suitable for Northeast China’s High-Cold Regions” has been included in the Liaoning Provincial Housing and Urban-Rural Development New Technology Promotion Catalogue. The company has achieved certification under ISO 9001, ISO 14001, and ISO 45001 management systems, ensuring consistent service quality and sustainable development capacity. In practice, it has led the completion of representative projects including the Urban Design for the Core Area of Shenyang Hunnan Science & Technology City, the Coastal Ecological Restoration and Landscape Enhancement Engineering Design for Dalian Jinhua New Area, and the Phase II Renovation Design for Fuxin Haizhou Open-Pit Mine National Mining Park. It also participated in drafting the “Liaoning Province Technical Guidelines for Green Retrofitting of Existing Buildings (Trial).” These accomplishments demonstrate its regional technological influence. Currently, the company focuses its operations on the three northeastern provinces, with Liaoning Province as its core service area, providing diversified collaborative services—including pre-project planning, conceptual design, construction drawing support, green and low-carbon specialized consulting, full-process BIM collaboration, and project management—to government platforms, real estate developers, urban investment companies, and EPC general contractors.

Liaoning Maolin Industrial Development Co., Ltd. is a regional real estate development and integrated operations enterprise based in Shenyang, with over 20 years of continuous operation. Its core business is real estate development and operations, supplemented by diversified services including property management, leasing of owned properties, architectural decoration and renovation engineering design and construction, building materials sales, parking lot services, and enterprise management consulting. The company possesses end-to-end operational capabilities for real estate development projects, covering pre-development planning, construction implementation, and post-construction operations and asset revitalization. It has established stable service capacities in local residential and commercial project development, refined management of existing properties, and renovation and remodeling of office and commercial spaces. The company is lawfully established and maintains normal registration status, supervised and approved by the Shenyang Heping District Market Supervision and Administration Bureau. It has incurred no administrative penalties, judicial enforcement actions, or records of serious violations or dishonesty over the past three years, reflecting sound operational credit. Although it does not publicly disclose its real estate development enterprise qualification grade, professional contracting qualification for construction, high-tech enterprise certification, or ISO system certifications—and although no official website, WeChat public account, or authoritative media coverage of its projects is publicly available—the company has long been rooted in Shenyang’s local market, consistently delivering leasing operations and management services through self-owned properties such as Taichen Tower, demonstrating solid localized operational foundations and stable business continuity. Targeting government-affiliated platforms, small- and medium-sized real estate developers, industrial parks, and commercial institutions, the company offers practical, customized services, including real estate development collaboration, entrusted management of existing assets, office space renovation and remodeling, and supporting building material supply—services aligned with actual regional needs such as urban renewal, enhancement of building-based economies, and upgrading of office environments for small and medium-sized enterprises.

Liaoning Jinte Construction Engineering Co., Ltd. is a comprehensive construction enterprise based in Liaoning Province and specializing in full-chain engineering construction services. The company focuses on general contracting and specialized contracting for projects in fields including building construction, municipal public utilities, water conservancy and hydropower, highways, and mechanical and electrical engineering. Its core business covers construction of building projects, municipal roads, water conservancy improvement works, renovation of aging residential communities, environmental protection projects, and foundation works; it also extends to provide supporting technical services such as engineering surveying, design, supervision, and consulting. Leveraging multiple high-level qualifications issued by the Liaoning Provincial Department of Housing and Urban-Rural Development, the company holds Grade II General Contracting Qualifications for Building Engineering (Certificate No.: D221053562), Grade II General Contracting Qualifications for Municipal Public Utilities Engineering (Certificate No.: D221053579), Grade III General Contracting Qualifications for Water Conservancy and Hydropower Engineering (Certificate No.: D221053587), and Grade II Specialized Contracting Qualifications for Building Decoration and Renovation Engineering (Certificate No.: D321053595); all qualifications remain valid. In recent years, the company has continuously participated in key regional livelihood and infrastructure projects. Representative projects include the Supporting Municipal Road Engineering for Resettlement Housing in Hunnan District, Shenyang City (completed in 2022); the Comprehensive Management Project for Small Watersheds in Kangping County (awarded in 2023, contract value approximately RMB 18.6 million); and the EPC Project for Renovation of Aging Residential Communities in Baota District, Liaoyang City (participated in 2024 as a consortium member). The company maintains an excellent credit record and has been included in the “Enterprises with Good Credit” list for Shenyang City, published by the Liaoning Provincial Department of Housing and Urban-Rural Development in 2024. It has no administrative penalties, judicial risks, or dishonesty records over the past three years. Its business operations are concentrated primarily in the central and southern regions of Liaoning Province. Currently, its main service scenarios consist of government-funded public projects, urban renewal initiatives, and rural revitalization projects within Liaoning Province. The company provides services—including general contracting, specialized subcontracting, EPC consortium cooperation, and whole-process engineering consulting—to project owners, platform companies, design institutes, and large-scale general contractors.

Liaoning Huasheng Energy Development Co., Ltd. is a privately owned energy service enterprise registered in Shenyang, focusing on technological development and integrated application in the new energy sector. Its core business includes new energy technology consulting and services; preliminary work for investment and construction of wind power and solar photovoltaic power generation projects; design of energy storage system integration solutions; support for electricity sales; contract energy management; and sales and installation of energy-saving equipment. The company’s core competency lies in distributed energy system solutions, with primary focus on providing comprehensive energy management services to industrial and commercial clients, offering full-cycle preliminary support covering feasibility studies, technical pathway selection, energy efficiency diagnosis and optimization. Leveraging its localized team and regional industrial resources, the company serves energy-consuming entities across Liaoning Province and the broader Northeast China region. Currently, the company does not hold a Power Business License (Generation Category) or a License for Installation (Maintenance/Testing) of Electric Power Facilities; it possesses no grid-connected centralized wind or solar power station assets, nor any publicly documented EPC general contracting projects. It is not listed as a High-Tech Enterprise, has no registered independent intellectual property rights, and lacks publicly available information regarding mainstream management system certifications. Its WeChat official account regularly publishes policy interpretations, industry news, and internal training updates, reflecting its capacity to track new energy policy directions and technological advancements. Potential collaboration areas include preliminary consultation for new energy projects; solution design for distributed photovoltaic and energy storage application scenarios; technical support for energy-saving retrofits; auxiliary services for electricity market trading; and collaborative planning and operation of electric vehicle charging infrastructure—suitable for enterprises and public institutions undergoing energy transition but still in the project planning and feasibility assessment stage.

Liaoning Huafu Environmental Engineering Co., Ltd. is a high-tech enterprise specializing in industrial flue gas treatment, wastewater treatment, and solid waste resource utilization. It operates within the ecological protection and environmental governance industry and has long served high-emission industrial sectors such as power generation, steel production, chemical manufacturing, and metallurgy. The company possesses full-process solution capabilities—including EPC (Engineering, Procurement, and Construction) contracting for integrated desulfurization, denitrification, and dust removal systems; system integration for zero-liquid-discharge industrial wastewater treatment; and comprehensive flue gas treatment for coking and sintering processes. Its technological approaches emphasize adaptability to industrial scenarios and engineering implementation stability. Core processes include the coupled technology of “low-temperature SCR + dual-alkali desulfurization + wet electrostatic precipitator” and the synergistic process of SCR/SNCR combined with oxidative absorption, enabling ultra-low emission performance: NOx ≤ 50 mg/Nm³, SO₂ ≤ 35 mg/Nm³, and particulate matter ≤ 10 mg/Nm³. The company holds Grade I qualification for specialized contracting of environmental protection projects and Grade II specialized design qualifications for environmental engineering projects (air pollution control and water pollution control). It is certified under ISO 9001, ISO 14001, and ISO 45001 management systems. It owns over 10 authorized invention patents and utility model patents, including “A Composite Absorbent for Coke Oven Flue Gas Desulfurization and Denitrification and Preparation Method Thereof” and “An Evaporative Crystallization Device for High-Concentration Salty Wastewater.” Representative projects include the sintering machine flue gas purification project at Anshan Iron and Steel Group Bayuquan Branch and the coke oven flue gas treatment project at Benxi Iron and Steel Plate Co., Ltd.—both key industrial retrofit projects in Northeast China. Currently, the company primarily serves domestic industrial clients through various cooperation models, including EPC contracting, technical consulting, system integration, and supply of critical equipment, aiming to deliver safe, stable, and compliant environmental engineering services.

Jiangsu Qianyan Environmental Technology Co., Ltd. is registered in Jiangning District, Nanjing City, Jiangsu Province. It is an environmental protection technology service enterprise specializing in ecological conservation and environmental governance, established in 2018 with a registered capital of RMB 10 million. The company is a growth-stage limited liability company, and its current business focuses on deep treatment of industrial wastewater, resource-oriented treatment of high-concentration organic waste liquids, collaborative treatment of VOCs (volatile organic compounds) exhaust gas, and integrated services for intelligent environmental monitoring systems. Its typical clients include fine chemical and new materials enterprises located along the Yangtze River—such as synthetic resin, electroplating, and dyeing & printing companies—with frequent project delivery records in areas including Nanjing Jiangbei New Materials Science Park, Zhenjiang, and Yangzhou. The company’s core competencies lie in process package development and engineering implementation. It has developed and applied a combined process package titled “Fe-Cu bimetallic synergistic catalytic ozonation + ceramic ultrafiltration,” deployed in pretreatment projects for high-salinity, refractory wastewater, achieving stable COD removal rates exceeding 82% and effluent total nitrogen concentrations below 35 mg/L. Additionally, supported by utility model patents—including electrochemical oxidation reactors and composite adsorption filter cartridges for fluorine-containing wastewater—the company possesses comprehensive equipment design capabilities, offering integrated technical services covering solution design, supply of key unit equipment, and third-party operation and maintenance. In terms of qualifications, the company holds the “Certificate for Operation Qualification of Environmental Pollution Control Facilities” (Class B for water pollution control, valid until June 2026) and ISO 9001:2015 Quality Management System Certification (issued by China Quality Certification Center, currently valid). Publicly available information does not indicate that the company holds ISO 14001/45001 system certifications, engineering design qualifications, or recognition as a High-Tech Enterprise. Representative achievements include: (1) completion in 2023 of a high-salinity wastewater pretreatment retrofit project for a synthetic resin enterprise at Nanjing Jiangbei New Materials Science Park, which passed third-party effectiveness evaluation conducted by the park; and (2) winning in 2022 the bid for operational maintenance services for water quality automatic monitoring equipment at key pollutant-emitting units under the Nanjing Municipal Ecological Environment Bureau (Lot No. 3), covering 12 electroplating and dyeing & printing enterprises across the city, with its 2023 operational maintenance performance rated “Excellent.” Regarding international business, publicly available information shows no overseas registered entities, overseas project experience, export registration, or cross-provincial large-scale delivery capability. Currently, its service area is concentrated within Jiangsu Province, and its collaboration models primarily involve technical consulting, implementation of customized process packages, supply of critical equipment, and localized operation and maintenance services.