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Chongqing Jianfeng New Materials Co., Ltd. is a mixed-ownership enterprise jointly established by China Tianchen Engineering Corporation, Ltd.—a subsidiary of China National Chemical Engineering Group Corporation, Ltd.—as the controlling shareholder, and Chongqing Chemical & Pharmaceutical Holding (Group) Company as a minority shareholder. The company focuses on the fields of “advanced chemical materials” and “new energy materials” within China’s national strategic emerging industries, concentrating on R&D, production, and industrialization of high-end new chemical materials. Its core businesses encompass key polyurethane raw materials (e.g., aliphatic isocyanates such as HDI and H12MDI), specialty amine-based additives, electronic-grade fine chemicals, and intermediates for biodegradable materials. Its products have been validated in applications by leading domestic paint and adhesive manufacturers and are partially integrated into original equipment manufacturer (OEM) automotive paint supply chains. Leveraging its independently developed green catalytic synthesis process for aliphatic isocyanates—protected by six authorized Chinese invention patents—the company has constructed and stably operates its Phase I industrial facility with an annual capacity of 20,000 tons of aliphatic isocyanates. This facility adopts a technical route comprising “catalytic oxidation—continuous phosgenation—precision separation—high-purity packaging,” integrating inherently safer microreactor and membrane separation coupling processes. Compared to conventional batch methods, this process reduces unit energy consumption by approximately 35% and cuts emissions of waste water, waste gas, and solid waste by over 40%. Core reactors and distillation systems have achieved domestically integrated design and manufacturing. The company has obtained certifications for ISO 9001, ISO 14001, and ISO 45001 management systems; holds the “Work Safety Production License” (No. YuWH AnXuZheng Zi [2023] 017) and the “National Industrial Product Production License (Hazardous Chemicals)”; and has passed the preliminary audit for the IATF 16949 automotive supply chain system. Its service coverage spans the East China, South China, and Beijing-Tianjin-Hebei regions, with representative customers including Wanhua Chemical, COSCO GUANGDI, Xiangjiang Paint, and Jia Baoli. As a key incubation platform for new materials industrialization under China National Chemical Engineering Group, the company actively opens technical collaboration, customized development, joint application validation, and large-scale supply opportunities to upstream and downstream industrial chain partners.

Chongqing Jian Feng Chemical Hodings Co.,Ltd (stock abbreviation: Jianfeng Chemical; stock code: 000950.SZ) is a national high-tech enterprise, a national-level green factory, and a “Little Giant” enterprise specializing in niche sectors with distinctive expertise, as designated by the Ministry of Industry and Information Technology (MIIT). The company operates under Chongqing Chemical & Pharmaceutical Holding (Group) Company, with the Chongqing Municipal State-owned Assets Supervision and Administration Commission as its ultimate controlling shareholder. It focuses on fine chemical products and novel fertilizers. Its core businesses encompass research, development, production, and sales of melamine, ammonium nitrate, nitric acid, compound fertilizer, water-soluble fertilizer, and slow- or controlled-release fertilizer. Its melamine production capacity ranks among the top domestically, and its products are widely applied in areas such as engineered wood panels, coatings, plastics, adhesives, and modern agricultural cultivation. Relying on its National-Certified Enterprise Technology Center, the Chongqing Nitric Acid and Nitrogen Fertilizer Engineering Technology Research Center, and a postdoctoral research workstation, the company has accumulated 87 valid patents (including 32 invention patents) and has led or participated in the formulation and revision of 11 national and industry standards, including *Industrial Melamine* (GB/T 23951—2022) and *Ammonium Nitrate* (GB/T 2945—2018). The company has obtained certifications for the three major management systems—ISO 9001, ISO 14001, and ISO 45001—and holds the National Industrial Product Production License for fertilizers and hazardous chemicals, the Grade-II Standardized Safety Production Enterprise Certificate, and the MIIT’s *Civil Explosives Safety Production License* (specifically for ammonium nitrate). Its technological achievements include the “Clean Production Technology for High-Purity Melamine” (awarded Second Prize in Chongqing Science and Technology Progress Award), China’s first pilot-scale facility for producing ammonium bicarbonate from synthesis ammonia tail gas, and formal registration of its water-soluble fertilizer with the Ministry of Agriculture and Rural Affairs (Registration No.: Nong Fei [2022] Zheng Zi 12345). Its services cover major grain-producing provinces—including Sichuan, Yunnan, and Guangxi—as well as modern agricultural demonstration zones in Southwest and Northwest China; its products are exported to countries including Vietnam, Thailand, Indonesia, and Bangladesh, with overseas revenue accounting for 8.2% of total revenue in 2023. The company sincerely invites practical collaboration in areas including synergistic development of green, low-carbon technologies; promotion and application of novel fertilizers; regional soil-testing-based fertilizer recommendation services; joint development of international agro-input distribution channels; and cooperation along the nitric acid/melamine industrial chain.

Zhonghe Tiancheng (Dalian) Technology Development Co., Ltd. is a national high-tech enterprise specializing in industrial intelligence and digital twin technology applications, headquartered in Northeast China and serving the nationwide manufacturing industry’s digital transformation. The company’s core businesses include intelligent manufacturing system integration, industrial Internet of Things (IIoT) platform development, digital factory consulting and implementation, and customized industrial software solutions tailored for industries such as energy, equipment manufacturing, and rail transit. Leveraging robust technical expertise, the company has established core technical capabilities centered on production-line-level digital twin modeling driven by multi-source heterogeneous data fusion, edge AI-based quality inspection, and predictive maintenance platforms. It holds six authorized invention patents, twelve utility model patents, and thirty-seven software copyrights; notably, its “Production-Line-Level Digital Twin Modeling Method Based on Multi-Source Heterogeneous Data Fusion” has been included in the “Liaoning Province Key Promoted New Technologies and Products Guidance Catalog (2024 Edition).” The company has obtained ISO 9001 Quality Management System Certification and ISO 27001 Information Security Management System Certification, possesses Grade II professional contracting qualifications for electronic and intelligent engineering, and has been awarded the “Outstanding Intelligent Manufacturing Solution Case” by the Chinese Society of Automation (2023) and the “Industrial Internet Pilot Demonstration Project” by the Ministry of Industry and Information Technology (2022). Representative projects include the “Bogie Production Line Digital Twin Monitoring System” developed for CRRC Dalian Locomotive & Rolling Stock Co., Ltd., and the “Nuclear Safety–Grade Instrumentation and Control Equipment Predictive Maintenance Platform” delivered to the Hongyanhe Nuclear Power Plant. The company also participated in drafting the “Liaoning Province Enterprise Digital Transformation Evaluation Specification” (DB21/T 3822–2023). Its clients encompass state-owned backbone manufacturing enterprises such as China First Heavy Industries, Dalian Refrigeration Group, and Wafangdian Bearing Group, with business concentrated primarily in Northeast China. We sincerely invite manufacturing enterprises, industry system integrators, and research institutions to engage in pragmatic collaboration in areas including intelligent production line upgrades, digital twin implementation, industrial AI applications, and joint standard development.

China CNTC International Tendering Co., Ltd. was established in 2004. It is a professional tendering agency approved by the State-owned Assets Supervision and Administration Commission of the State Council and controlled by China International Engineering Consulting Co., Ltd. The company positions itself as a full-chain, full-category tendering and procurement service provider, and has long served central government ministries and commissions, central state-owned enterprise groups, local governments, and large-scale infrastructure project entities. Its core business encompasses tendering agency services, government procurement agency services, non-tender procurement (including competitive negotiation, request-for-quotation, and bidding), whole-process engineering consultancy, cost consultancy, operation of electronic tendering and bidding platforms, and research and training on tendering and bidding policies. Leveraging its independently developed and controllable “China Zhongzhao United Electronic Tendering and Bidding Platform,” the company possesses digital service capabilities compliant with the Measures for Electronic Tendering and Bidding and the national standard GB/T 38357–2019, and has connected to the China Public Service Platform for Tendering and Bidding. It has been recognized by the China Tendering and Bidding Association as an “Innovative Practice Case of Electronic Tendering and Procurement.” In terms of qualifications, the company holds Class-A qualifications for tendering agency services for central government investment projects granted by the National Development and Reform Commission, Class-A qualifications for tendering agency services for construction projects granted by the Ministry of Housing and Urban-Rural Development, and government procurement agency qualifications granted by the Ministry of Finance. It is among the earliest domestic institutions to obtain dual Class-A qualifications and remains a leader in the industry. To date, the company has completed over 100,000 tendering and procurement projects, with winning bid amounts exceeding RMB 2.6 trillion. Representative projects include the electromechanical equipment tendering for the Baihetan Hydropower Station, the EPC tendering for municipal engineering in the Xiong’an New Area Launch Zone, and the tendering for supporting infrastructure projects of the national computing power hub node (Qingyang, Gansu) data center cluster. Its client base covers State Grid Corporation of China, China National Petroleum Corporation, China Mobile Communications Group Co., Ltd., China Development Bank, China State Railway Group Co., Ltd., and finance and development planning departments across all 31 provinces (autonomous regions and municipalities). The company employs over 600 professionals, more than 45% of whom hold senior professional titles or registered professional qualifications. It maintains branches or cooperative service centers in over 20 key cities—including Beijing, Shanghai, Guangzhou, Xi’an, Chengdu, and Wuhan—and provides customized tendering and procurement solutions and collaborative services for sectors including energy, transportation, water resources, municipal works, information and communications, healthcare, education, and scientific research.

COSCO Jotun Marine Coatings (Qingdao) Co., Ltd. is a Sino-foreign joint venture established in Qingdao in 2006 by COSCO Shipping Group and Norway’s Jotun Group, and serves as one of China’s key production bases for marine and protective coatings. The company specializes in the research, development, manufacturing, and sales of marine coatings, corrosion-protection coatings for offshore engineering, and industrial protective coatings. Its product portfolio covers comprehensive vessel-coating solutions, including anti-rust primers, hull antifouling paints (e.g., low-surface-energy technology products such as Intersleek and SeaQuantum X300), ballast tank protection coatings, deck and compartment coatings, etc., widely applied in newbuilding, ship repair and maintenance, and offshore platform facilities. Leveraging Jotun’s global R&D network and its localized technical team, the company continuously introduces environmentally friendly products—including solvent-free epoxy and water-based modified epoxy systems—and actively participates in product development and testing aligned with international and domestic standards such as ISO 12944, IMO PSPC, and China Classification Society (CCS) requirements. Its marine coatings have received certifications from major global classification societies, including CCS, DNV, LR, ABS, and BV; certain products are listed in the Recommended Catalogue of China Shipbuilding Quality Standards. The factory holds ISO 9001, ISO 14001, and ISO 45001 management system certifications, as well as Level-3 national occupational safety and health standardization accreditation, and operates a CNAS-accredited laboratory. It has long served leading Chinese shipbuilders—including Jiangnan Shipbuilding, Waigaoqiao Shipbuilding, Guangzhou Shipyard International, and Yangzijiang Shipbuilding—as well as shipping companies such as COSCO Shipping, China Merchants Energy Shipping, and Seaspan International. Its products accompany Chinese-built vessels exported to “Belt and Road Initiative” regions, including Southeast Asia, the Middle East, and South America. The company provides customized coating solutions, technical consultation, on-site services, and whole-life-cycle coating management support to domestic and international shipyards, shipowners, offshore equipment manufacturers, and industrial clients.

COSCO Chemical Logistics Co.,Ltd is a specialized chemical logistics service enterprise under COSCO Shipping Group, focusing on end-to-end supply chain logistics services for hazardous chemicals and specialty chemicals. Its core businesses cover hazardous chemical warehousing, intermodal transportation (waterway, highway, and railway), international tank container operations, logistics solution design, compliance management, and digital logistics platform support. Its clientele includes major domestic and international petrochemical, chemical, new energy materials, and pharmaceutical enterprises. Leveraging specialized hazardous chemical warehousing bases—such as those in Shanghai Gaoqiao, Ningbo Daxie, Zhangjiagang, Tianjin Nanjiang, and Guangzhou Nansha—the company deeply integrates into COSCO Shipping Group’s global container shipping network to conduct international tank container intermodal transportation across East Asia, Southeast Asia, the Middle East, Europe, and North America. The company holds multiple key qualifications, including the “Road Transport Operation Permit,” “Port Operation Permit,” “Hazardous Chemicals Business License,” and “International Freight Forwarding Enterprise Filing Form.” It has obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications and strictly adheres to domestic and international standards and regulations such as GHS and JT/T 617. The company independently developed the digital logistics platform “Huayuntong,” integrating TMS, WMS, and EHS monitoring modules to support temperature control, real-time cargo tracking, electronic waybills, and automated compliance verification, while enabling data interoperability with government platforms such as Shanghai’s Hazardous Chemicals Full-Process Supervision Information System. In 2023, the company handled over 3.5 million tons of hazardous chemicals and maintained a tank container fleet exceeding 12,000 TEUs. Its clients include industry leaders such as BASF, Dow, Wanhua Chemical, Hengli Petrochemical, and Tinci Materials. The company has participated in logistics projects supporting national-level new material pilot production bases and the import of critical raw materials for lithium-ion battery electrolytes. It offers customized services to chemical industry chain enterprises, including tailored warehousing, cross-border intermodal transportation, compliance consulting, digital logistics system integration, and green logistics solutions.

CNSIG Qinghai Kunlun Soda Industry CO.,LTD is a large-scale soda ash production enterprise jointly owned by China National Salt Industry Group Corporation (controlling shareholder) and state-owned capital of Qinghai Province. It falls under the category of key western resource-based chemical industry projects supported by the Chinese government during the 11th Five-Year Plan period and ranks among the largest single-site ammonia-soda process soda ash production bases in China. The company’s core business covers research, development, production, and sales of fundamental chemical products including industrial soda ash, edible alkali, baking soda (sodium bicarbonate), and ammonium chloride. Its products are widely applied across industries such as glass manufacturing, metallurgy, chemicals, food, pharmaceuticals, and environmental protection. Leveraging the abundant natural brine resources of the Qaidam Basin and complementary coal-fired power generation infrastructure, the company has constructed an integrated production facility with an annual capacity of 1.2 million tons of soda ash and 300,000 tons of ammonium chloride. It continuously strengthens its independent technological innovation capabilities, possessing provincial- and ministerial-level scientific and technological achievements such as “Key Technologies for Soda Ash Production from High-Concentration Brine,” holding three invention patents and twelve utility model patents, and participating in the revision of industry and consortium standards including “Sodium Carbonate for Industrial Use” (GB/T 210.1–2022). The company has obtained certifications for the ISO 9001, ISO 14001, and ISO 45001 management systems, holds the National Industrial Product Production License and SC Food Safety Certification for edible alkali, was awarded the Ministry of Industry and Information Technology’s “Green Factory” designation in 2023, and was included in the “Qinghai Province Green Manufacturing List 2024.” For ten consecutive years, the company’s first-time inspection pass rate for soda ash has remained at or above 99.98%; its average annual output from 2022 to 2024 reached 1.165 million tons, consistently ranking among the top ten soda ash producers nationwide in terms of production capacity. Its products are primarily branded “Kunlunshan” and have long supplied leading enterprises such as China Luoyang Float Glass Group, Shandong Haihua Chemical Industry Co., Ltd., and Jiangsu Debang Chemical Industry Co., Ltd. Its market coverage extends across western provinces and autonomous regions including Qinghai, Gansu, Xinjiang, Ningxia, Shaanxi, and Inner Mongolia. Equipped with a dedicated railway siding connected to the Lanzhou–Xinjiang Railway, the company has established an efficient regional logistics network. In collaboration with upstream and downstream partners along the industrial chain, the company offers multidimensional business cooperation opportunities, including joint raw material development, energy-saving and consumption-reduction technology collaboration, co-promotion of green products, and customized supply solutions.

CNSIG Inner Mongolia Chemical Sodium Industry Co., Ltd. is a state-owned large-scale chlor-alkali chemical enterprise under China National Salt Industry Group Co., Ltd. and controlled by China Salt Jilantai Salt & Chemical Group Co., Ltd. It falls under the chlor-alkali industry subsector within the broader chemical raw materials and chemical products manufacturing sector. The company’s core business encompasses research, production, and sales of fundamental chemical products including ion-exchange membrane caustic soda, polyvinyl chloride (PVC), calcium carbide, chlorine gas, hydrogen gas, hydrochloric acid, and sodium hypochlorite. Leveraging abundant raw salt, limestone, and energy resources in the Alxa region, the company has established an integrated industrial chain spanning “raw salt → calcium carbide → chlor-alkali → PVC,” with comprehensive annual production capacities of 300,000 tons of caustic soda, 250,000 tons of PVC, and 300,000 tons of calcium carbide. The enterprise possesses robust technical expertise in energy conservation, carbon emission reduction, and green manufacturing, operating an autonomous regional-level enterprise technology center and holding seven invention patents and 23 utility model patents. Its core technologies include low-mercury catalyst acetylene-based PVC synthesis, energy-saving optimization of ion-exchange membrane electrolyzers, and balanced utilization of chlorine and hydrogen gases; its “high-current-density ion-exchange membrane electrolyzer energy-saving technology” has been included in the “National Key Energy-Saving and Low-Carbon Technology Promotion Catalogue (2023 Edition).” The company has obtained certification for the three major management systems—ISO 9001, ISO 14001, and ISO 45001—and holds the “National Industrial Product Production License,” “Work Safety Production License,” and “Pollutant Discharge Permit” (No.: 91152921783008937W001V), all of which remain valid. Its products are widely applied across industries in Northwest China, including construction materials, textiles, papermaking, water treatment, aluminum smelting, chemical fibers, and pharmaceutical intermediates. Its PVC complies with standard GB/T 5761–2018 and has passed CTC testing and certification; its caustic soda and sodium hypochlorite also meet stringent downstream process requirements. The enterprise actively participates in regional circular economy initiatives, having constructed supporting environmental protection facilities—including calcium carbide slag brick production, chlorine gas recovery and reuse, and waste-heat power generation—achieving comprehensive energy consumption per unit product consistently below the national industry energy-saving benchmark value for three consecutive years. Currently, its operations focus on Inner Mongolia and adjacent provinces; cooperation priorities include upstream-downstream coordination along the chlor-alkali industrial chain, promotion and application of energy-saving technologies, customized supply of hazardous chemicals, and joint development of circular economy projects.

China CITIC Titanium Industry Co., Ltd. (formerly known as China CITIC Jinzhou Titanium Industry Co., Ltd.) is a national high-tech enterprise under China CITIC Group Co., Ltd. It is one of only a few domestic enterprises that have mastered the full-process, large-scale chloride-process titanium dioxide production technology and achieved stable mass production, thereby filling the gap in indigenous manufacturing of high-end titanium dioxide in Northeast China. The company focuses on research and development, production, and application services for rutile-grade chloride-process titanium dioxide. Its existing 60,000-ton-per-year chloride-process titanium dioxide production line operates stably; its Phase II capacity expansion project is currently undergoing environmental impact assessment and preliminary construction. Its products are widely used in coatings, plastics, inks, chemical fibers, and high-end industrial sectors. Relying on its provincial-level enterprise technology center and the Liaoning Provincial Engineering Technology Research Center for Chloride-Process Titanium Dioxide, the company holds over 20 invention patents and has led or participated in formulating two national standards—including GB/T 1706–2023 “Titanium Dioxide for Pigments”—as well as multiple industry standards. The company has obtained certifications for the ISO 9001, ISO 14001, and ISO 45001 management systems, and holds a Work Safety Production License, a National Industrial Product Production License, and a Pollutant Discharge Permit. Its products have completed EU REACH registration and passed U.S. FDA indirect food-contact material compliance assessments. Certain product grades have been certified by leading customers such as CNOOC, Nippon Paint, and AkzoNobel, and are supplied in bulk. The company’s business covers more than 20 provinces and municipalities within China and extends to export markets in Southeast Asia, the Middle East, and South America. In 2024, it was selected for Liaoning Province’s “Specialized, Refined, Distinctive, and Innovative” (SRDI) SME list and the national Green Factory Cultivation Database. Targeting upstream and downstream industries in the value chain, the company offers collaborative R&D, customized product supply, application solution support, and cooperation on green and low-carbon transformation initiatives.

Zhongwai Jianhuacheng Engineering Technology Group Co., Ltd.(formerly known as Beijing Huacheng Boyuan Architectural Engineering Design Co., Ltd., etc.) is a comprehensive engineering technology enterprise centered on engineering design and consulting, covering full-process engineering consulting, engineering procurement and construction (EPC) contracting, urban renewal, and research & development and application of green, low-carbon building technologies. The company’s core businesses encompass full-lifecycle technical services for architectural engineering, including pre-project planning and consulting, conceptual and construction drawing design, EPC general contracting management, seismic retrofitting and structural reinforcement of existing buildings, node optimization for prefabricated construction, integrated application of BIM collaborative design platforms, and renovation and enhancement of urban stock space. Leveraging seven invention patents, 32 utility model patents, and 15 software copyrights, the company has established differentiated technological capabilities in intelligent diagnostic systems, low-carbon construction technologies, and digital design collaboration. Its qualification system is comprehensive: it holds Class-A qualifications for architectural engineering design (architectural engineering sector); Class-B specialized qualifications for municipal engineering (road and bridge engineering sectors); Class-A credit qualification for engineering consulting institutions (architectural specialty); Class-II general contracting qualification for architectural engineering construction; and specialized contracting qualification for special engineering (structural reinforcement). Additionally, the company has obtained certification under ISO 9001, ISO 14001, and ISO 45001 management systems, and is recognized as a National High-Tech Enterprise (Certificate No.: GR202311005628). Representative projects include full-process consulting for Phase II of the Beijing Municipal Administrative Office Area in the Beijing Sub-Center; EPC general contracting for resettlement housing in the Rongdong area of Xiong’an New Area; relocation and reconstruction project of Songshan District Traditional Chinese Medicine Hospital in Chifeng City, Inner Mongolia; and urban renewal and renovation of Shishi Garment City in Quanzhou City, Fujian Province. Its service coverage spans multiple provinces across North China, Northeast China, East China, and Southwest China. Targeting government platform companies, urban investment groups, real estate developers, and public utilities institutions, the company offers customized full-process engineering consulting, EPC consortium cooperation, specialized technology R&D support, and integrated urban renewal solutions.