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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.

China Information Consulting & Designing Institute Co.,Ltd.(abbreviated as “CTTDI”) is a national high-tech enterprise, a national specialized, refined, distinctive, and innovative “little giant” enterprise, and a national intellectual property advantage enterprise. It is a subsidiary of China Communications Services Corporation Limited (Hong Kong Stock Code: 00552.HK) and has long been deeply engaged in engineering technical service fields within the information and communications industry, possessing full-lifecycle service capabilities covering “planning—consulting—surveying—designing—integration—supervision—EPC general contracting.” Its core businesses focus on emerging digital infrastructure domains, including 5G/6G network construction, gigabit optical networks, computing power infrastructure (intelligent computing centers, cloud-network convergence architecture), industrial internet, digital government, smart energy, intelligent transportation, and low-altitude economy, delivering technical consulting, system design, standard formulation, solution integration, and digital delivery services. CTTDI holds numerous key qualifications, including Class-A Engineering Design Qualification for the Telecommunications Industry; Class-A Engineering Design Qualification for the Electronics, Telecommunications, and Broadcasting Industry (Electronic Systems Engineering); Class-A Specialized Engineering Design Qualification for Building Intelligence Systems; Class-A Engineering Consulting Qualification (Telecommunications and Information); CS Level 4 (Excellent Level); CMMI Level 5; ISO Three-System Certification; and Class-A Confidential Information System Integration Qualification. It has led or participated in drafting 73 national or industry standards, holds 276 invention patents, 412 utility model patents, and 897 software copyrights. CTTDI independently developed toolchains such as the “Smart Interconnection Design Cloud Platform” and the “Integrated Communication-Sensing Simulation System”; its “Design Methodology for Integrated Communication-Sensing-Computing Network Architecture Targeting 6G” received the First Prize of Science and Technology Awards from the China Institute of Communications in 2024. Representative projects include the overall design of China Telecom’s 5G SA Core Network; feasibility studies and design for the Yangtze River Delta Hub Intelligent Computing Center under the “East Data, West Computing” initiative; telecommunications-specific design for the CIM platform in Xiong’an New Area; communication network planning for China Southern Power Grid’s Digital Power Grid; and support for the Hangzhou Asian Games’ 5G+MEC+AI video dedicated network. CTTDI’s services cover all 31 provincial-level administrative regions across China, providing deep support to the three major telecom operators, State Grid Corporation of China, China Southern Power Grid, China Tower Corporation, government departments at all levels, and large state-owned enterprises. Leveraging China Communications Services’ overseas platforms, CTTDI also undertakes digital infrastructure assistance and localized consulting projects in Southeast Asia, Africa, and the Middle East, including international cooperation projects such as the Asian Infrastructure Investment Bank (AIIB)-funded Cambodia National Backbone Network Optimization Consulting Project. CTTDI sincerely invites collaboration with partners at multiple levels in areas including planning, design, integration, co-development of standards, and international projects related to emerging digital infrastructure.

PetroChina Kunlun Gas Co., Ltd. Dalian Gas Branch is a branch established by PetroChina Kunlun Gas Co., Ltd. in Dalian City, Liaoning Province, and is subordinate to China National Petroleum Corporation (CNPC). It is one of the primary urban gas suppliers in Dalian City, responsible for franchised gas supply operations in the urban districts and certain county-level towns, and deeply involved in constructing the regional natural gas security-supply system featuring “multiple gas sources, an integrated pipeline network, and coordinated planning.” The company’s core businesses include piped gas supply (serving residential, commercial, and industrial users), design and construction of gas facilities (holding Grade III General Contracting Qualification for Gas Engineering Construction), sales and installation of gas appliances, gas technical consulting, and comprehensive energy services; all licensed activities are governed by the Gas Business License (License No.: Liao 202302000001G). Leveraging CNPC’s upstream gas resource advantages and synergies with the Dalian LNG Receiving Terminal, the company possesses dual-gas-source security and emergency peak-shaving capabilities. As of the end of 2024, its operations cover key urban districts—including Xigang, Shahekou, Ganjingzi, and the High-Tech Industrial Development Zone—as well as parts of Jinpu New Area and Lvshunkou District, serving over 850,000 piped gas users with an annual gas supply volume of approximately 320 million cubic meters. The company has obtained ISO 9001, ISO 45001, and ISO 14001 certifications; has built a GIS-based digital pipeline network system integrated into Dalian City’s Urban Lifeline Safety Project Supervision Platform; has deployed over 720,000 NB-IoT smart gas meters at scale; achieves a remote meter-reading rate of 98.6%; and responds to abnormal-event alerts within ≤2 hours. Key projects successfully implemented include the relocation and modification of gas pipelines for Dalian Metro Line 5, dedicated gas pipelines for the Dalianwan Subsea Tunnel, and replacement of heating boilers with gas-fired systems in the Lvshun Economic Development Zone. Additionally, the company has launched a demonstration microgrid energy-supply project integrating “gas + photovoltaics + energy storage” in the High-Tech Industrial Development Zone. Areas of collaboration include gas infrastructure construction and renovation, comprehensive energy solutions for industrial and commercial customers, integrated intelligent gas-system solutions, application of corrosion-resistant PE piping technology for saline-alkali soils, and joint implementation of regional clean-energy substitution projects.

Sinopec Energy Management Co., Ltd.  is a state-owned high-tech enterprise wholly owned by China Petroleum & Chemical Corporation Limited (A-share code: 600028; H-share code: 00386). It is positioned as an integrated energy system energy conservation and carbon reduction service provider, operating under the Sinopec Group’s specialized energy management company system. The company focuses on industrial energy conservation, integration of green low-carbon technologies, and digital energy efficiency management, and is currently in the stage of large-scale application and industrial promotion. Its core businesses include waste heat and waste pressure utilization, motor system energy-saving retrofits, steam system optimization, industrial circulating water treatment, carbon asset development and management, energy audits and diagnostics, and construction of intelligent energy management platforms. These activities fall squarely within the “Energy-Saving Services for Key Energy-Consuming Entities” and “Carbon Emission Reduction Technology Application Services” categories explicitly supported by the National Development and Reform Commission’s (NDRC) Green Industry Guidance Catalogue (2023 Edition). The company possesses robust technological R&D capabilities: as of December 2024, it holds 27 valid invention patents and 83 utility model patents. Its core patented technologies—such as the “Dynamic Energy Efficiency Assessment Method for Refining and Chemical Enterprises Based on Multi-Source Data Fusion”—have been engineered and applied at 12 refining plants with capacities exceeding 10 million tons per year, including Sinopec Zhenhai Refining & Chemical and Maoming Petrochemical. The company has led or participated in drafting seven group-level and enterprise standards, including the “Implementation Guidelines for Energy Management Systems in Refining Enterprises” and the “Technical Specifications for Carbon Emission Verification in Industrial Enterprises.” In terms of qualifications, the company holds the Contract Energy Management Service qualification registered with the NDRC; is listed in the Ministry of Industry and Information Technology’s (MIIT) Recommended Directory of Energy-Saving Diagnostic Service Providers (2023–2025); maintains ISO 9001/14001/50001 management system certifications; and holds a Special Equipment Inspection and Testing Institution Approval Certificate (limited to verification of energy measurement instruments). Representative projects include the Intelligent Steam Network Balancing System at Yanshan Petrochemical (achieving 8.3% steam savings), the AI-Coordinated Control System for Air Compressor Clusters at Yangzi Petrochemical (saving 14.2 million kWh annually), and the Carbon Emission Monitoring and Accounting Platform at Guangzhou Petrochemical (approved by the Guangdong Provincial Department of Ecology and Environment). In 2023, the company undertook technical support tasks for the Sinopec Group’s inaugural “Three-Year Action Plan for Energy Efficiency Improvement,” covering 32 refining & chemical enterprises and sales enterprises. The “Sinopec Energy Efficiency Cloud” platform has been deployed across 17 second-tier units, supporting real-time energy efficiency benchmarking, anomaly warnings, and emission reduction pathway simulation. Its services primarily target refining & chemical, oilfield, sales, and engineering sectors within the Sinopec system, while also extending to certain subsidiaries of State Energy Group and China National Offshore Oil Corporation (CNOOC). Its primary cooperation model centers on an integrated, four-dimensional solution comprising “energy-saving diagnostics + technology retrofit + digital platform + carbon management.”