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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.

Nanjing Demait Safety Technology Co., Ltd. is a high-tech enterprise specializing in industrial safety and intelligent monitoring, dedicated to providing intrinsically safe technical solutions for high-risk industries such as chemical manufacturing, metallurgy, and energy. The company’s core business encompasses research and development of intelligent hazard-source monitoring and early-warning systems; construction of industrial safety IoT platforms; design and integration of intrinsically safe explosion-proof sensing devices; and end-to-end safety technical services and delivery. Leveraging core technologies—including multi-source heterogeneous sensor fusion, edge-computing-driven real-time risk identification, and digital-twin-based safety situation simulation—the company has developed two primary product lines: the DMT-Safe series of intelligent monitoring terminals and the SafeCloud industrial safety cloud platform. As one of the principal drafting entities for the national standard “GB/T 42862-2023 Technical Specification for Combustible/Toxic Gas Detection and Alarm Systems in Industrial Premises,” the company holds certifications for the ISO 9001, ISO 14001, and ISO 45001 management systems, possesses multiple explosion-protection certification certificates issued by the National Quality Supervision and Inspection Center for Explosion-Proof Electrical Equipment (Nanyang), and has been recognized by Jiangsu Province as a “Specialized, Refined, Distinctive, and Innovative” SME. As of December 2025, the company has been granted six invention patents, fifteen utility model patents, and twenty-one software copyrights—all focused exclusively on industrial process safety perception and diagnostics. Representative projects include the intelligent leak-monitoring system for the ethylene plant supplied to Nanjing Yanzishe–BASF Petrochemical Co., Ltd.; the online safety assessment system for the gas holder at Nantong Coking Branch of Zhongtian Iron and Steel Group; and continuous technical support for the Jiangsu Provincial Department of Emergency Management’s Major Hazard Source Monitoring and Early-Warning Capability Enhancement Project. Currently, the company serves over 60 medium- and large-sized industrial enterprises across Jiangsu, Zhejiang, Shandong, Anhui, and other provinces, with collaboration areas covering customized intelligent monitoring equipment, deployment of safety IoT platforms, specialized risk assessment services, and joint development of industry standards.

Nairxier New Materials (Yingkou) Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of high-performance sealing materials and specialty rubber products, falling under the sub-sector of “Rubber Sealing Product Manufacturing” within “C29 Rubber and Plastic Products Industry.” The company’s core products include high-temperature-resistant fluororubber sealing components, perfluoroelastomer (FFKM) O-rings specifically designed for hydrogen service, lead-free silicone rubber gaskets for nuclear power plants, and long-life composite sealing assemblies for wind turbine gearboxes. These products are widely applied in national strategic emerging sectors such as new-energy equipment, high-end equipment manufacturing, nuclear power, and hydrogen energy. Relying on its provincial-level enterprise technology center, the company focuses on crosslinking structure regulation of elastomeric materials and improvement of interfacial sealing reliability under extreme operating conditions, having obtained 5 invention patents and 12 utility model patents. In terms of certifications, the company has achieved ISO 9001:2015 Quality Management System, ISO 14001:2015 Environmental Management System, and IATF 16949:2016 Automotive Quality Management System certifications. Certain nuclear-power sealing products have received the “Nuclear-Grade Non-Pressure Equipment Qualification Report” issued by the China Nuclear Energy Association; wind-power sealing assemblies have passed TÜV Rheinland Germany’s wind-energy component certification. Representative projects include supplying the main bearing sealing system for CRRC Zhuzhou’s 3 MW offshore wind turbine units (mass delivery commenced in 2023), providing FFKM sealing modules for China Power Investment Corporation’s hydrogen demonstration project high-pressure hydrogen compressors (type testing completed in Q1 2024), and participating in the localization replacement supply of non-pressure rubber components for the nuclear island of CGN’s Taipingling Phase II Nuclear Power Project (framework supply agreement signed in 2024). Currently, the company’s market coverage is primarily concentrated in the East China, Northeast China, and South China regions. Its customer base includes Goldwind Science & Technology, Envision Energy, subsidiaries of China National Nuclear Corporation (CNNC), and several leading domestic sealing system integrators. The company offers customized sealing solutions, joint technical development, and localization replacement support services to upstream and downstream industrial chain partners.

Coal Science & Technology (Beijing) New Materials Co., Ltd. is a second-tier subsidiary of China Coal Technology & Engineering Group Corporation Limited. It positions itself as a provider of new materials solutions for national strategic scenarios—including energy, emergency response, and environmental protection—and operates within the industry category of “Manufacturing of High-Performance Functional Ceramics and Composite Materials.” The company focuses on research, development, and industrial application of advanced functional materials. Its core businesses span three major areas: (1) protective materials for extreme mining conditions—such as self-lubricating ceramic rollers and anti-static wear-resistant coatings; (2) lightweight structural materials for energy equipment—such as prototype SiCf/SiC brake discs; and (3) specialty functional thin-film materials—such as nano-porous tin oxide sensitive-layer films for gas sensors. Leveraging the Beijing Huairou New Materials Pilot-Scale Production Base, the company possesses end-to-end experimental capabilities covering powder synthesis, microstructural control, shaping and sintering, and performance characterization. Its core technologies center on high-temperature-resistant and radiation-resistant ceramic matrix composites, low-dimensional carbon/ceramic heterogeneous interface reinforcement materials, and specialty functional coatings. To date, the company has been granted 12 invention patents, with multiple patents progressing toward industrialization. It holds ISO 9001 and ISO 14001 management system certifications and possesses the “Qualification Certificate for Safety Production Testing and Inspection Institutions” (MT-KJ-2024-017), granting it statutory accreditation for material-level reliability verification. The company leads the formulation of the group standard “Technical Specification for High-Temperature Wear-Resistant Ceramic Liners Used in Coal Mines” and participates in revising the national standard for ceramic matrix composites. Representative projects include supplying high-temperature wear-resistant ceramic liner modules capable of withstanding thermal shock at 350°C for intelligent coal mines with annual output capacity of 10 million tons operated by China Energy Investment Corporation; and developing and deploying lightweight blast-resistant and thermal-insulating composite panels—equipped on the third-generation plateau emergency rescue cabins—for the National Center for Disaster Reduction under the Ministry of Emergency Management. Its business covers 22 coal-producing provinces nationwide, with primary customers including central SOE energy groups, provincial energy investment platforms, and national-level mine safety equipment manufacturers. Certain material technology solutions are indirectly applied to coal mine upgrading projects in Mongolia, Indonesia, and other Belt and Road Initiative countries through EPC projects executed by CCTEG International Engineering Company. Collaboration opportunities exist in technical R&D co-development, customized material development, pilot-scale verification services, joint standard development, and integrated engineering applications.

Mehekou Fukan Alcohol Co., Ltd. is a designated fuel ethanol production enterprise under China’s National “Ethanol Gasoline Promotion Program.” The company specializes in research, development, and industrial application of bio-fermentation technologies using corn as the primary raw material. Its core business encompasses R&D, production, and sales of high-value-added by-products, including: (1) denatured fuel ethanol with an annual capacity of 300,000 tons (complying with standard GB 18350–2013); (2) premium food-grade alcohol (conforming to standard GB 10343–2022, with purity ≥96.5% vol); (3) DDGS animal feed; and (4) food-grade carbon dioxide. The company employs a production process comprising dual-enzyme liquefaction, high-temperature fermentation, and multi-column differential-pressure distillation, and is equipped with a DCS-based fully automated process control system. In 2022, it completed the “Energy-Saving and Consumption-Reduction Technical Retrofit for High-Gravity Wort Fermentation” project, thereby achieving stable, efficient, large-scale production capabilities and green, low-carbon operational performance. The company holds the following permits: the National Industrial Product Production License (for alcohol products), the Food Production License (SC1152205810006), and the Hazardous Chemicals Business License (Ji Tonghua Meihé Hazardous Chemicals Business Permit No. [2023] 0007). It has passed clean production audits for two consecutive years. Its wastewater advanced treatment and reclaimed water reuse systems operate stably, classifying it as a key wastewater discharging entity for Jilin Province’s water environment. Its fuel ethanol products have been integrated into Sinopec and PetroChina’s ethanol gasoline blending systems in Northeast China. Its food-grade alcohol is primarily supplied to condiment, pharmaceutical, and beverage enterprises across Northeast China. In 2023, the company commissioned a technical retrofit project producing 50,000 tons annually of premium food-grade alcohol and holds three utility model patents (covering condensate water recovery devices, yeast activation systems, etc.). As a wholly owned subsidiary of Jilin Fukan Group, the company is headquartered in Mehekou City, Jilin Province, focusing on China’s domestic bioenergy and food industry sectors. It is open to pragmatic collaboration and industrial partnerships in areas including fuel ethanol blending, customized supply of food-grade alcohol, synergistic utilization of by-products, and energy-saving technology cooperation.

Maoming Conch Material Technology Co., Ltd. is a state-controlled enterprise under Anhui Conch Group Co., Ltd., specializing in the research, development, and industrialization of green building materials and chemical functional materials. The company positions itself as a provider of low-carbon building material solutions serving the cement, concrete, precast components, and green construction industry chains. Its core businesses encompass the research, development, production, and sales of polycarboxylate-based high-performance water-reducing agents; liquid/powder cement grinding aids; activators for collaborative disposal of industrial solid waste; and supplementary admixtures for low-carbon cementitious materials. Its technological approach focuses on “solid waste resource utilization + chemical modification + low-carbon compatibility,” and it has established a full-chain R&D support system covering molecular structure design, laboratory-scale synthesis, pilot-scale amplification, and engineering-scale application. The company holds certifications for ISO 9001, ISO 14001, and ISO 45001; possesses the Work Safety Production License (Guangdong JZ Anxuzheng Zi [2023] No. 000897); and holds the Ministry of Ecology and Environment’s Registration Certificate for Environmental Management of New Chemical Substances. All its core products are listed in the Ministry of Industry and Information Technology’s Green Design Products Catalogue (2024 Edition). Leveraging Conch Group’s deep application feedback and large-scale validation capabilities within the cement industry, the company has successfully supported the Shenzhen–Jiangmen Railway Project to achieve over a 35% improvement in concrete slump retention, facilitated the bulk application of C60 high-durability marine concrete at the Maoming Port Bohe New Port Area terminal project, and participated in drafting the Guangdong Provincial Local Standard “Technical Specification for Application of Admixtures for Solid Waste-Based Cementitious Materials” (DBJ/T 15-287-2024). Currently, its business covers Guangdong, Guangxi, and Hainan provinces, serving customers in infrastructure construction, green building material manufacturing, and solid waste resource utilization. It offers diversified cooperation models, including customized product development, technical consultation, integrated solution provision, and technology transfer.

Manas Xiangyun Chemical Fiber Co., Ltd. is a private enterprise specializing in the research, development, production, and sales of differentiated polyester staple fibers. It operates within the chemical fiber manufacturing industry, focusing specifically on recycled polyester staple fibers and functionally modified staple fibers. Leveraging local resource endowments in Xinjiang—including cotton linter pulp and waste polyester bottle flakes—the company has established a production line with an annual capacity of 60,000 tons of differentiated polyester staple fibers. Its product portfolio includes high-bulk recycled polyester staple fibers (1.33 dtex × 38 mm) and flame-retardant modified staple fibers (3.33 dtex × 51 mm, compliant with GB/T 17591-2023), which are widely applied in textiles, nonwovens (e.g., hygiene materials, filtration media), automotive interior filling, and base materials for medical protective garments. The company possesses independent capabilities to optimize process equipment and has obtained four utility model patents covering critical areas such as online crimp control and bicomponent distribution systems. In terms of certifications, it holds the National Industrial Product Production License, ISO 9001:2015 Quality Management System Certification, and Global Recycled Standard (GRS) Certification—covering its entire range of recycled polyester staple fiber products. Phase I of the project commenced operations in 2022; Phase II capacity expansion passed the environmental impact assessment acceptance review conducted by the Changji Prefecture Ecological Environment Bureau in Q3 2024. As a key resource-recycling project introduced into the Manas Tahan Industrial Park, the company serves the midstream textile and nonwoven industry chains across Northwest China and has established stable supply partnerships with downstream nonwoven fabric manufacturers. Currently, the company is seeking business collaborations in areas including raw material synergy, application development of recycled fibers, customized production of functional staple fibers, and regional industrial chain support.

Oasis PolyMaterials (Lanzhou) New Material Technology Co., Ltd. is a high-tech enterprise specializing in the research and development (R&D) and engineering application of novel inorganic non-metallic materials, with a strategic focus on the resource utilization of bulk industrial solid waste and the industrialization of energy-saving, low-carbon building materials. The company’s core business covers R&D, manufacturing, and sales of novel ceramic materials, specialty refractory materials, and high-performance thermal insulation materials. Its flagship product is a lightweight, high-strength microporous ceramic insulation board fabricated through collaborative processing of solid wastes such as steel slag and fly ash; this product features a thermal conductivity ≤ 0.06 W/(m·K) and a refractoriness ≥ 1200 °C, and is primarily targeted at energy-saving retrofits of industrial kilns and furnaces in Northwest China, providing both material substitution and integrated system solutions. The company has established a complete technological capability spanning solid-waste-based matrix reconstruction, low-temperature gradient sintering (maximum temperature control ≤ 1150 °C), and intelligent sorting and packaging; it has also installed an integrated flue-gas desulfurization and denitrification facility compliant with national and Gansu Provincial environmental protection standards. Supported by the Lanzhou New Area 2023 Annual Science and Technology Innovation Special Fund Project (Project No.: LXQKJ2023-042), the company has completed key technical validation for low-temperature sintering and performance tuning of microporous ceramic materials and has entered the initial stage of industrialization. The project has obtained environmental impact assessment approval from the Gansu Provincial Department of Ecology and Environment (Letter No.: Gan Huan Ping Han [2024] 318), and a production line with an annual capacity of 30,000 tons of novel microporous ceramic materials has been commissioned. Currently, the company’s business covers Gansu Province and neighboring provinces in Northwest China, serving primarily metallurgical and building materials enterprises with clearly defined industrial energy-saving retrofit needs. Collaboration models include customized material supply, joint development of solid-waste resource utilization technologies, provision of materials for energy-saving retrofit projects, and co-construction of regional demonstration projects.

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 Ruiming Petrochemical Technology Co., Ltd. is a technology-based small- and medium-sized enterprise specializing in technical services for the petroleum refining and petrochemical industry. Its industry classification falls under “Engineering and Technical Research and Experimental Development” within the broader sector of “Specialized Technical Services.” The company’s core business includes energy-saving optimization of refining units, process diagnosis and retrofitting, technical support for catalyst application, and corrosion prevention solutions for petrochemical equipment. Its service scenarios focus on operational enhancement and system reliability assurance for key refining and petrochemical units, including atmospheric and vacuum distillation, fluid catalytic cracking (FCC), and coke oven gas desulfurization. Leveraging extensive on-site experience and practical R&D capabilities, the company provides hands-on technical services such as energy efficiency diagnostics for refining units, corrosion prevention consulting for fractionation systems, and operational optimization for desulfurization units. It holds one authorized utility model patent (ZL202021423882.5: “A Condensate Recovery Device for the Top of a Refining Unit Tower”). In terms of qualifications, the company holds the “Approval Certificate for Special Equipment Inspection and Testing Institutions” issued by the Henan Provincial Market Supervision Administration (limited to periodic inspection of pressure pipelines; valid until 2025) and has obtained GB/T 19001–2016/ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q31234R0M; valid until June 2025). Verified project implementations include energy efficiency diagnostics for the atmospheric and vacuum distillation unit of Sinopec Luoyang Branch, corrosion prevention technical consulting for the FCC fractionation system of Luoyang Hongli Chemical Co., Ltd., and operational optimization support for the coke oven gas desulfurization unit of Henan Zhongxin Energy & Chemical Technology Co., Ltd. Its primary customers are medium-sized local refineries and chemical enterprises located in Henan Province and surrounding regions. Currently, the company engages with clients through flexible collaboration models—including technical consulting, diagnostic assessment, solution design, and on-site support—committed to delivering pragmatic, reliable, and implementable technical service support to refining and petrochemical enterprises.