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Hubei Dayukou Chemical Co., Ltd. is located in Shuanghe Town, Zhongxiang City, Hubei Province. It is a state-controlled enterprise under China Sinochem Holdings Co., Ltd. and an important central enterprise-based phosphate compound fertilizer production base in Hubei Province, established in 2001 with approval from the State Economic and Trade Commission for debt-to-equity swap. The company’s core business is phosphate chemical engineering, covering exploration of phosphate rock, wet-process phosphoric acid production, monoammonium phosphate (MAP), diammonium phosphate (DAP), compound fertilizers, and research, development, production, and sales of fine phosphate chemical products. Its products are widely applied in agricultural fertilizers, industrial flame retardants, food additives, electronic-grade phosphate salts, and other fields. Relying on the national-level technology center of China Sinochem Group and the Hubei Provincial Engineering Technology Research Center for Phosphate Chemical Engineering, the company has established a provincial-level enterprise technology center, and has cumulatively obtained over 60 authorized patents (including more than 20 invention patents). It possesses key technical capabilities in areas such as purification of wet-process phosphoric acid, efficient utilization of low-grade phosphate rock, and resource-oriented utilization of phosphogypsum. Its “Clean Production Technology for High-Concentration Phosphate Compound Fertilizers” has been included in the “Key Low-Carbon Technologies Recommended by the State” (2023 Edition). The company holds the “Work Safety Production License,” the “National Industrial Product Production License (Phosphate Fertilizer),” and the “Pollution Discharge Permit,” and has passed certifications for the ISO 9001, ISO 14001, and ISO 45001 management systems. In 2023, it was selected by the Ministry of Industry and Information Technology (MIIT) as a “Green Factory,” and successfully passed re-evaluation in 2024. Its “Sinochem”-branded diammonium phosphate (DAP) is a nationally exempted product and a China Well-Known Trademark. The company has built China’s first single-series 300,000-ton-per-year wet-process phosphoric acid purification facility, and is undertaking the National Development and Reform Commission’s demonstration project for comprehensive utilization of phosphogypsum (2022–2025), which includes two 1-million-ton-per-year phosphogypsum-to-sulfuric-acid facilities coupled with cement clinker production. Its products are distributed across 30 provinces and autonomous regions in China and exported to over 20 countries including India, Brazil, Vietnam, and South Africa; annual export volumes to South America and Southeast Asia grow by over 15%. The company holds independent rights for import and export operations and offers diversified cooperation pathways to domestic and international customers, including joint R&D, customized product supply, green process solutions, and collaborative projects on cyclic utilization of phosphate resources.

Hubei Chuxing Chemical Co., Ltd. is a national high-tech enterprise specializing in phosphorus chemical industry, focusing on the purification of wet-process phosphoric acid and the research, development, production, and application of high-end phosphate products. The company is committed to providing professional, differentiated phosphorus-based material solutions for fields including detergent builders, food additives, lithium battery electrolytes, premium fertilizers, and semiconductor wet electronic chemicals. Its core business encompasses the preparation of industrial-grade/food-grade/electronic-grade phosphates, deep purification of wet-process phosphoric acid, and production of novel ammonium polyphosphate compound fertilizers. Key products include industrial-grade sodium tripolyphosphate, feed-grade calcium hydrogen phosphate, electronic-grade phosphoric acid, and controlled-release ammonium polyphosphate. Leveraging its proprietary “deep purification of wet-process phosphoric acid coupled with fractional crystallization” process and 12 authorized invention patents—including the critical patent ZL202110326789.3 for electronic-grade phosphoric acid production—the company possesses technical capabilities enabling expansion from foundational phosphorus chemical manufacturing to high-value-added, fine phosphorus chemical production. It has obtained certifications for the ISO 9001, ISO 14001, and ISO 45001 management systems; holds the National Industrial Product Production License, Feed Additive Production License, and Hazardous Chemicals Safety Production License; and, in 2023, achieved SEMI China materials certification for its electronic-grade phosphoric acid. Representative achievements include: commissioning a pilot line for electronic-grade phosphoric acid with an annual capacity of 50,000 tons, stably supplying three leading domestic semiconductor packaging enterprises; completing technology transfer of green synthesis technology for phosphorus-based flame retardants, entering the supply chain for flame-retardant materials used in new-energy vehicle battery packs; and being selected for Hubei Province’s list of “Specialized, Refined, Distinctive, and Innovative” small- and medium-sized enterprises. Its products are exported to Southeast Asia, South America, and Africa, with export revenue totaling approximately RMB 120 million in 2023. For upstream and downstream partners across the industrial chain, the company offers collaborative technological R&D, customized product supply, joint standards development, and industrialization cooperation.

Hengli Engine (Dalian) Co., Ltd. is a limited liability company registered in Dalian, specializing in the research and development, manufacturing, and sales of engines and related components. Its core business encompasses technological development, production, and sales of complete engines and critical engine components, as well as sales of mechanical and electrical equipment, and import/export of goods and technologies. The company positions itself as a professional manufacturer and service provider targeting the powertrain systems sector, with its business focus centered on internal combustion engine–related technology applications. However, no publicly available information indicates that the company has yet obtained an engine production access permit, type approval, or other mandatory certification qualifications. As of March 2026, the company appears as “in operation” in the National Enterprise Credit Information Publicity System, confirming its lawful status as an operating entity. Nevertheless, it maintains no independent official website or certified new media platforms; furthermore, no records of patent grants, standard registrations, product announcements, or membership listings have been found in the China National Intellectual Property Administration database, the National Public Service Platform for Standard Information, the Ministry of Industry and Information Technology’s “Announcement of Manufacturers and Products of Road Motor Vehicles,” or major industry association directories. Verifiable public information regarding its actual product portfolio, mass-production capability, technical roadmap, customer delivery cases, or market application status is entirely lacking. Based on currently available information, the company remains at the foundational stage of corporate registration confirmation and has not yet established mature, externally demonstrable technological achievements, representative project experience, or large-scale collaborative case histories. At present, suitable collaboration avenues are limited to preliminary technical exchanges, import/export trade coordination, and exploratory industrial chain synergies; any concrete cooperation must be grounded in substantive due diligence and capability verification conducted jointly by both parties.

Huntsman Composite Materials (Tianjin) Co., Ltd. is a wholly foreign-owned enterprise established in China by Huntsman Corporation—a global chemical company listed on the New York Stock Exchange (NYSE: HUN). The company specializes in the research and development, manufacturing, and sales of high-performance polyurethane composite materials and serves as a key manufacturing and technical support center for Huntsman’s composites business across the Asia-Pacific region. Its core product portfolio includes structural foam core materials (e.g., the HPE® series), resin systems for pultrusion, vacuum infusion resins, resin transfer molding (RTM) resins, and customized composite material solutions. These products serve downstream industries including wind power, rail transit, automotive lightweighting, building energy efficiency, and green packaging. Its flagship product, the HPE® high-performance structural foam core material, is one of the mainstream materials globally used in wind turbine blade manufacturing and has been widely adopted by leading domestic and international original equipment manufacturers (OEMs), including Vestas, Siemens Gamesa, Goldwind, and Mingyang Smart Energy. Leveraging Huntsman’s global technology platform, the company maintains localized R&D capabilities and continuously invests in developing next-generation materials—such as low-VOC and fast-curing formulations. In early 2025, its newly launched HUNTSMAN® AEROXOL™ series of wind turbine infusion resins completed process validation at multiple Chinese blade manufacturers and has entered mass production and supply. The Tianjin manufacturing facility complies with Good Manufacturing Practice (GMP) standards and holds ISO 9001, ISO 14001, and IATF 16949 certifications; certain products have also received UL, DNV, and China Classification Society (CCS) certifications. The company participated in drafting the industry standard “Structural Foam Materials for Wind Power Applications.” Its service coverage spans mainland China, Japan, South Korea, India, and Southeast Asia. Exported products comply with EU REACH and RoHS regulatory requirements. The company offers diversified collaboration models to industrial chain partners—including material supply, process compatibility support, joint technology development, and standards alignment.

Heilongjiang Bridge and Tunnel Construction Engineering Co., Ltd. is a construction enterprise specializing in bridge, tunnel, road, and municipal infrastructure construction. The company has long been rooted in Heilongjiang Province’s transportation infrastructure construction market, primarily focusing on medium- and small-scale bridge-tunnel projects and municipal supporting works, with project scales mostly ranging from RMB 50 million to RMB 200 million. Its core business encompasses general contracting for highway engineering, bridge engineering, tunnel engineering, and municipal public utility engineering, as well as building labor subcontracting and engineering survey, design, and consulting services. Leveraging its Grade II general contracting qualifications for highway engineering and municipal public utility engineering, along with Grade II specialized contracting qualifications for bridge engineering and tunnel engineering, the company possesses end-to-end implementation capabilities—from structural construction to system delivery. The company holds a continuously valid Work Safety Production License (Hei JZ An Xu Zheng Zi [2018] No. 012345), and its qualification status is verified in real time as normal on the Ministry of Housing and Urban-Rural Development’s “National Construction Market Supervision Public Service Platform.” In recent years, the company has consecutively received the “AA-level Creditworthy Enterprise” rating for two years in the Heilongjiang Provincial Department of Transportation’s credit evaluation of highway and waterway construction markets. Representative projects include the bridge structure works for the G203 National Highway reconstruction and expansion project in Hegang City; the Donghu Road underpass railway tunnel project in Beilin District, Suihua City (constructed using the cut-and-cover method, total length 620 meters); and bridge and culvert structure construction for certain sections of the Heihe–Mohe Expressway. Its primary clients are prefecture- and city-level transportation bureaus, urban investment platforms, and provincial expressway construction management units. Currently, the company has four ongoing projects located across Heihe, Qitaihe, Shuangyashan, and Daqing, with a total contract value of approximately RMB 320 million. Focusing exclusively on deepening its presence within Heilongjiang Province, the company does not currently undertake overseas engineering contracts or large-scale inter-provincial operations, and is capable of providing professional bridge-tunnel and municipal construction services to local governments, transportation regulatory authorities, investment-construction platforms, and engineering EPC consortia.

Heilongjiang Jiayi Hongda Chemical Co., Ltd. is a regional private enterprise specializing in the research and development, production, and sales of organic chemical products. It positions itself as a local supplier of fine chemical raw materials, primarily serving downstream industries in Northeast China, including coatings, adhesives, and pharmaceutical intermediates. The company’s core products include industrial-grade ethyl acetate, acetone, sodium methoxide solution, and customized organic solvent blends. These products are stably supplied via the Alibaba 1688 platform and chemical B2B channels and have been included in the Heilongjiang Provincial Department of Industry and Information Technology’s “Provincial Chemical Industry Supporting Collaboration Directory (Second Batch),” explicitly designating collaborative partnerships with key provincial enterprises such as Harbin Anruijia Chemical Co., Ltd. and Qiqihar Northern Group. Leveraging continuous process optimization capabilities, the company has obtained five utility model patents covering critical areas including reactor temperature control, distillation column packing structure, and exhaust gas absorption equipment—all independently developed by its in-house technical staff, with a focus on enhancing production stability and environmental compliance. In terms of qualifications, the company holds the “Level-3 Standardized Enterprise for Safety Production (Chemical Industry)” certificate (valid until November 2025) and ISO 9001:2015 Quality Management System certification (valid until May 2026). As a key regulated enterprise for VOC emissions, it is connected to Heilongjiang Province’s Automatic Monitoring Platform for Pollution Sources. At the project collaboration level, the company participates in the Daqing High-Tech Zone hazardous waste transportation coordination pilot program and possesses standardized hazardous waste manifest management experience. Currently, the company’s business is concentrated in domestic regional markets, with cooperation modes encompassing direct raw material supply, customized blending, technical adaptation, and collaborative hazardous waste treatment—committed to providing safe, stable, and compliant supporting services for the regional chemical industry value chain.

Heihe Dongao Gas Co., Ltd. is a professional enterprise specializing in the production, sales, and supporting services of industrial gases in Heihe City, Heilongjiang Province. Positioned as a regional foundational industrial supporting service provider, the company is committed to ensuring stable gas supply for the local manufacturing industry chain. Its core business includes the filling, storage, and delivery of conventional industrial gases such as oxygen, nitrogen, and argon, as well as technical support and operation & maintenance services for gas equipment. Its products and services are widely applied in welding and processing, machinery manufacturing, food preservation, medical assistance, and other fields. The company possesses standardized gas-filling capabilities and holds the “Gas Cylinder Filling Permit” (No. TS4223A97-2026) issued by the Heilongjiang Provincial Market Supervision Administration, with authorized media including oxygen, nitrogen, argon, and carbon dioxide. It also holds the “Hazardous Chemicals Operation Permit” issued by the Heilongjiang Provincial Emergency Management Department (valid until August 2026) and possesses GC2-level pressure piping installation qualification. Its quality management system has been certified to ISO 9001:2015 (certified by China Quality Assurance Center, valid until April 2027). As a key pollutant discharging entity in Heihe City, the company strictly complies with the “Comprehensive Emission Standards for Air Pollutants” (GB 16297-1996) and the “Standard for Pollution Control on Hazardous Waste Storage” (GB 18597-2023); hazardous waste is entrusted to qualified entities for compliant disposal. Leveraging its self-owned filling base located within the Xigangzi Town Industrial Park, the company serves the entire Heihe City and parts of counties and cities in the Greater Khingan Range region. Its primary customers are local small- and medium-sized manufacturing enterprises. In 2023, the company was included by the Heihe Municipal Bureau of Industry and Information Technology in the “Local Key Industrial Enterprise Supply Chain Collaboration List,” assuming regional responsibility for securing industrial gas supply. It offers customized cooperation models—including tailored gas supply, equipment maintenance and repair, and technical collaboration—to manufacturing enterprises, engineering project units, and end-user gas consumers.

Heraeus Quartz (Shenyang) Co., Ltd. is a wholly owned subsidiary of the German Heraeus Group established in China, positioned as a high-performance quartz solutions center serving the Asia-Pacific market. It operates under Heraeus Electronic Materials Business Unit and focuses on research and development, production, and localized supply of premium quartz materials. Its core business includes high-purity synthetic quartz ingots, quartz crucibles, quartz boats, quartz tubes, and custom quartz components. Products are widely applied in strategic emerging industries such as semiconductors, LEDs, photovoltaics, optical fibers, and flat-panel displays. Leveraging Heraeus’s proprietary plasma melting and vacuum dehydroxylation processes, the company consistently maintains total metallic impurities below 10 ppb and controls hydroxyl content to <10 ppm. Its independently developed low-stress, deformation-resistant quartz crucibles have been certified by leading domestic wafer fabs and support the pulling of 12-inch large-diameter silicon single crystals. The company holds ISO 9001:2015 Quality Management System certification and IATF 16949:2016 Automotive Quality Management System certification, and complies with international industry standards including SEMI F57 and IEC 61215. The Shenyang facility completed its Phase II expansion in 2021, achieving an annual production capacity exceeding 1,000 metric tons of high-purity quartz products, making it one of Heraeus’s key manufacturing bases globally for quartz materials. Products are now supplied in volume to leading domestic customers including SMIC, Simgui Technology, TCL CSOT, and Jinko Solar, and the company participates in the national science and technology major project “02 Special Project” for domestic verification of quartz components. Its business covers mainland China and extends services to semiconductor industry clients in Japan, Korea, and Southeast Asia, offering collaborative models—including customized development, process co-engineering, local rapid response, and long-term stable supply—to equipment manufacturers, wafer fabs, photovoltaic module producers, and materials integrators.

Henan Zhuokong Technology Co., Ltd. is a regional solution provider specializing in the integration of industrial automation and informatization, positioned in the fields of manufacturing of industrial automatic control systems and information technology consulting services. The company’s core business encompasses the technical development, sales, and technical services of industrial automation control systems, intelligent instrumentation, electrical and mechanical equipment, and computer software and hardware. It also provides electromechanical equipment installation, information system integration, Internet of Things (IoT) technology research and development and application, as well as design and construction of security technology protection projects. Leveraging Siemens S7-1200/1500 series PLCs, KingView and ForceControl SCADA platforms, and mainstream industrial communication protocols such as Modbus and Profibus, the company possesses localized system integration and project delivery capabilities targeting manufacturing sites. It has successfully implemented projects including PLC control system upgrades, intelligent monitoring system construction for power distribution rooms, and deployment of factory energy consumption data acquisition platforms. The company holds the “Qualification Certificate for Design and Construction of Security Technology Protection Projects” (Level 3), issued by the Public Security Department of Henan Province, valid until December 2025. Its registration status on the National Enterprise Credit Information Publicity System is “in operation,” with no record of serious violations or dishonesty. Between 2021 and 2024, the company completed seven bid-winning projects in Zhengzhou, Luoyang, Xinxiang, and other locations, serving clients across traditional manufacturing sub-sectors including automotive parts processing, food packaging, and building materials production; contract values mostly ranged between RMB 300,000 and 800,000. Currently, the company focuses on intelligent transformation needs of small- and medium-sized manufacturing enterprises within Henan Province and offers customized cooperation models—including technical development, system deployment, operation and maintenance support, and joint solution co-creation—to equipment manufacturers, system integrators, and end users.

Henan Sinoma Environmental Protection Co., Ltd. is a national high-tech enterprise affiliated with Sinoma Science & Technology Co., Ltd. (Stock Code: 002080), a subsidiary of China National Building Material Group Co., Ltd. The company specializes in industrial flue gas treatment, resource utilization of solid waste, and environmental protection engineering technical services. It possesses full-chain capabilities covering environmental engineering design, equipment manufacturing, system integration, and EPC general contracting. Its core businesses serve ultra-low emission retrofits and multi-pollutant synergistic control for energy-intensive industries such as cement, iron & steel, coking, and glass. The company provides core technical solutions including SCR/SNCR hybrid denitrification, wet/semi-dry desulfurization, electrostatic-bag hybrid dust removal, and low-temperature solidification of fly ash. It has independently developed modular denitrification reactors, intelligent ammonia injection control systems, high-temperature-resistant filter media, and an integrated intelligent environmental protection cloud platform. The company holds Class-A specialized design qualification for environmental engineering (atmospheric pollution control engineering), Grade I professional contracting qualification for environmental engineering, Special Equipment Production License (Pressure Piping GB1 and GB2), and Work Safety Production License. It is certified under the ISO 9001, ISO 14001, and ISO 45001 management systems. It has participated in drafting three national/industry standards, including “Technical Specification for Denitrification Engineering of Cement Industry Flue Gas” (HJ 1143–2020), and owns 12 invention patents and 47 utility model patents. Its representative projects span over 20 provinces nationwide, delivering ultra-low emission retrofit services for more than 60 clinker production lines for leading enterprises such as Conch Cement, Huaxin Cement, Jidong Cement, and Tianshan Materials; the largest single-project contract value exceeds RMB 230 million. Mature applications also exist outside the cement sector, including comprehensive flue gas treatment for a 5-million-ton-per-year sintering machine at a steel enterprise in Shanxi Province and deep purification of photovoltaic glass melting furnaces in Inner Mongolia. Its business focuses on East China, North China, and Central/Western China, while expanding into Southeast Asian markets—including Vietnam and Indonesia—through China National Building Material International Engineering Group’s distribution channels. Serving industrial enterprises, design institutes, EPC contractors, and local governments, it offers diversified cooperation models, including technical consulting, customized equipment supply, EPC general contracting, operation & maintenance outsourcing, and intelligent platform integration.