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Yichang Nanhua Silicon Materials Co., Ltd. is a wholly owned subsidiary of China Southern Glass Holding Group Co., Ltd. (Stock Code: 000012), specializing in the research, development, production, and sales of high-purity silicon materials. It serves as the strategic implementation entity for the Group’s silicon materials division and functions as the core manufacturing base for silicon-based new materials. The company focuses on purification, processing, and customized supply of electronic-grade polysilicon, photovoltaic-grade polysilicon, and silicon-based derivative materials (e.g., silicon powder, spherical silicon micro-powder, etc.). Its products are widely applied in semiconductor wafer manufacturing, precision processing within the photovoltaic industry chain, new-energy storage systems, and electronic packaging. Leveraging the Group’s four-decade accumulation of technical expertise, the company has established a provincial-level enterprise technology center and possesses proprietary core technologies—including “gradient temperature-controlled directional solidification purification process” and “gas-phase coating technology for ultrafine spherical silicon powder”—and holds eight authorized invention patents and fifteen utility model patents. Its electronic-grade polysilicon achieves a purity level of 11N (99.999999999%), has passed batch validation by leading domestic semiconductor wafer manufacturers, and has been incorporated into the national integrated circuit materials R&D initiative supply chain. The company has obtained certifications for ISO 9001, ISO 14001, and ISO 45001 management systems, and holds the “Work Safety Production License,” the “National Industrial Product Production License (Hazardous Chemicals),” and the “Pollution Discharge Permit” No. EYiHuanXu [2024] 078. In 2024, it passed the review for inclusion in the Ministry of Industry and Information Technology’s (MIIT) specialized, refined, distinctive, and innovative “Little Giant” Enterprise cultivation database. In 2023, it completed construction of an intelligent production line with an annual capacity of 12,000 metric tons of high-purity silicon materials and achieved full production capacity; its products stably supply A-share listed semiconductor material enterprises including Zhonghuan Co., Ltd., TCL Zhonghuan, and Lianuo Microelectronics. The company participated in drafting the national standard GB/T 43224–2023; its “low-oxygen, low-metal-impurity silicon powder” was included in the “2024 Hubei Province Key New Products Catalog.” Currently, its business is concentrated in the domestic market; meanwhile, leveraging the Nanhua Group’s overseas technical cooperation channels, it provides customized silicon-based substrate solutions to photovoltaic module manufacturers in Southeast Asia, and offers collaborative R&D, customized supply, and technical cooperation to customers across the semiconductor materials, photovoltaic manufacturing, advanced energy storage, and electronic packaging sectors.

Yichang Eastsun Biochemical Pharmaceutical Co., Ltd. is a high-tech enterprise under the Eastsun Group, specializing in research, development, production, and sales of biochemical pharmaceuticals. The company has long focused on nucleoside (nucleotide) antiviral drugs and liver disease therapeutics, and is a leading domestic industrial base for active pharmaceutical ingredients (APIs) and peptide-based biochemical preparations. Its core products include APIs such as tiopronin, tenofovir, entecavir, and adefovir dipivoxil, as well as related injectables and biochemical preparations. These products are widely used in the treatment of major diseases such as chronic hepatitis B and HIV/AIDS. Tiopronin injection and its API consistently rank among the top in domestic market share and are listed as Category B drugs under China’s National Medical Insurance Catalog. Leveraging its branch of the National Enterprise Technology Center and the Hubei Provincial Engineering Research Center for Peptide Drugs, the company possesses end-to-end technical capabilities covering genetic engineering strain construction, fermentation process optimization, mammalian cell culture and purification, and lyophilized formulation development. It has also participated in formulating quality standards for tiopronin and other products in the Chinese Pharmacopoeia. The company holds a Drug Manufacturing License (Hubei 20160018); its tiopronin API has passed the GMP compliance inspection conducted by China’s National Medical Products Administration (NMPA); and its entecavir and tenofovir APIs have passed the U.S. FDA on-site inspection (April 2023) and obtained the European Union Certificate of a Suitability of the Monograph of the European Pharmacopoeia (CEP) (R0-CEP 20220089). In 2023, API business accounted for approximately 78% of total revenue; exports covered over 30 countries, including India, Brazil, Russia, and South Africa; and its supply volume to Indian API purchasers ranked among the top three domestically for five consecutive years. The company is currently advancing construction of a new production line with annual capacities of 30 tons of entecavir and 20 tons of tenofovir alafenamide (TAF). Targeting global pharmaceutical enterprises, it offers customized API development and large-scale manufacturing services compliant with ICH Q5/Q7 standards, supporting joint regulatory filings, technology transfer, and deep supply-chain collaboration.

Yi’an County Property Service Center is a public welfare institution of Category I established by the People’s Government of Yi’an County, Qiqihar City, Heilongjiang Province. It operates under the jurisdiction of the Yi’an County Housing and Urban-Rural Development Bureau (or the Yi’an County Urban Management Comprehensive Law Enforcement Bureau) and is responsible for guiding, supervising, and managing the property service industry across the county. The Center is positioned as a grassroots-level administrative support institution providing public services in the housing and urban-rural development sector. Its core business activities include reviewing qualifications of property service enterprises, supervising property service quality, managing special maintenance funds for residential properties, mediating property-related disputes, and implementing industry policies. Its service recipients include owners’ committees of residential communities within the county, property service enterprises, subdistrict offices, and community-level organizations. Relying on the Regulations on Property Management, the Heilongjiang Province Regulations on Property Management, and normative documents issued at both municipal and county levels, the Center possesses capabilities in policy implementation, industry coordination, and collaborative grassroots governance. It consistently plays an organizational coordination and professional support role in advancing supporting property management for the renovation of older residential communities, piloting standardized property services, and training property service personnel. As the legally designated management authority for property management in Yi’an County, the Center has no business registration information, does not engage in market-oriented operations, and lacks an independent enterprise credit code. Its work strictly adheres to governmental authorization and industry regulations; it conducts no technological research and development, capital operations, cross-regional business activities, or paid technical services provided externally. Its service scope covers the entire territory of Yi’an County. Its primary collaboration partners include local government departments, subdistrict offices and community organizations, owners’ associations, and compliant property service enterprises. Collaborative efforts may involve policy dissemination, joint development of standards, personnel training, regulatory support, and dispute mediation—nonprofit public service collaborations.

Air Liquide (Nantong) Industrial Gases Co., Ltd. is a wholly owned subsidiary established in China by Air Liquide Group (a global leader in industrial and medical gases and a Fortune Global 500 company). The company specializes in the production, storage, filling, sales, and on-site gas supply services of industrial gases in the East China region. Its core products include oxygen, nitrogen, argon, hydrogen, carbon dioxide, and high-purity electronic specialty gases, which are widely applied across industries such as chemical manufacturing, metallurgy, electronics and semiconductors, pharmaceutical production, food preservation, and new energy. Leveraging its large-scale air separation unit and supporting filling station—both self-built at the Nantong Development Zone—the company ensures stable bulk gas supply capabilities. In 2021, it completed Phase II capacity expansion and technical upgrading, achieving an oxygen production capacity exceeding 30,000 Nm³/h and establishing a high-purity hydrogen purification and filling line to actively support the development of the hydrogen energy industry in the Yangtze River Delta region. Its technical capabilities encompass on-site gas generation (PSA/VSA), optimized liquid gas storage and transportation, and localized implementation of the intelligent gas monitoring system (Air Control™). The company holds three utility model patents, including “A Multi-Stage Adsorption Device for High-Purity Hydrogen Purification.” It possesses the “Safety Production License for Hazardous Chemicals” (valid until June 2026) and the “Special Equipment Production License” (for cylinder filling), and has passed certification for ISO 9001, ISO 14001, and ISO 45001 management systems (re-audited and certified by SGS in 2024). Representative projects include supplying an on-site nitrogen generation system to Zhongtian Technology Group, customizing a direct liquid oxygen supply solution for Nantong Acetic Acid Chemical Co., Ltd., and participating in the construction of hydrogen supply infrastructure for Phase I of the Rudong Yangkou Port Hydrogen Energy Industry Park in Jiangsu Province. Its service coverage spans northern and central Jiangsu Province and parts of Shanghai, with cooperation models including pipeline gas supply, liquid tanker delivery, cylinder filling, and customized on-site gas generation solutions.

Air Liquide (Dongying) Industrial Gases Co., Ltd. is a wholly-owned subsidiary of the French Air Liquide Group established in China. Based in the Dongying Port Economic Development Zone of Shandong Province, the company specializes in delivering professional industrial gas solutions to key regional industries, including petrochemicals, integrated refining and chemical production, new materials, and advanced manufacturing. Its core businesses include on-site gas generation and pipeline supply of oxygen, nitrogen, argon, hydrogen, and specialty gases. Leveraging a large-scale air separation unit commissioned in 2013 and expanded in Phase II in 2021, the company possesses an annual production capacity exceeding 100,000 metric tons of high-purity oxygen and nitrogen. In 2022, it completed construction of a demonstration hydrogen refueling station with a daily capacity of 500 kg, supporting pilot operations of hydrogen-powered heavy-duty trucks in the region. The company holds a Safety Production Permit for Hazardous Chemicals, a Pollutant Discharge Permit (No.: 91370500588786747D001V), and permits for pressure piping design and installation. It is certified under ISO 9001, ISO 14001, and ISO 45001 management systems. Advanced process control utilizing DCS+APC ensures long-cycle stable operation; domestic localization rate of critical equipment exceeds 70%, while core components are uniformly supplied through Air Liquide’s global supply chain. The company has successfully participated in gas infrastructure projects for major clients such as CNOOC Dongying Petrochemical and Lihua Yi Weiyuan Chemical, serving industrial clusters across Dongying Port, Guangrao, and Kenli. It is one of the core industrial gas suppliers to the Dongying Port Chemical Industry Park. Comprehensive energy consumption per unit product and carbon emission intensity have decreased by 12.3% and 9.6%, respectively, compared to 2018 levels (data sourced from Air Liquide China’s 2024 Sustainability Brief). Currently, its business focuses on Shandong Province, with cooperation areas encompassing long-term industrial gas supply, customized on-site gas generation system construction, hydrogen infrastructure support, and collaborative development of green, low-carbon gas solutions.

Yankuang Lunan Chemical Co., Ltd. is a large-scale, modern coal chemical enterprise controlled by Shandong Energy Group, positioned to pursue integrated development of “coal-based fine chemicals and new energy materials,” with a focus on clean coal conversion and R&D/production of high-end chemical new materials. The company’s core businesses encompass R&D, production, and sales of products including synthetic ammonia and premium nitrogen fertilizers, caprolactam, nylon 6 chips, cyclohexanone, hydrogen peroxide, methanol, ethanol, and dimethyl carbonate. Its products are widely applied in fields such as nylon fiber, engineering plastics, automotive components, electronic encapsulation, and 3D printing consumables, and are exported to countries along the Belt and Road Initiative—including Vietnam, India, and Turkey. Leveraging innovation platforms such as the National-level Enterprise Technology Center and the Shandong Provincial Engineering Laboratory for Coal-based Chemical New Materials, and collaborating with research institutions and universities—including the Institute of Coal Chemistry, Chinese Academy of Sciences (Shanxi), and East China University of Science and Technology—the company has secured over 80 authorized invention patents; technologies such as the “green cyclohexanone-ammonia oximation process” and the “green integrated caprolactam technology” have achieved domestic substitution and industrial application. The company holds certifications for ISO 9001, ISO 14001, and ISO 45001 management systems, and possesses the “Work Safety Production License,” the “National Industrial Product Production License (for Hazardous Chemicals),” and the “Pollutant Discharge Permit.” Its caprolactam product has been registered under the EU REACH regulation and certified by SGS. Representative projects include the Phase I and II projects of the 200,000-ton-per-year caprolactam facility, a fully automated 300,000-ton-per-year anthraquinone-process hydrogen peroxide plant, a 100,000-ton-per-year differentiated and flexible nylon 6 chip production line, and supporting 50 MW waste-heat power generation and reclaimed water reuse systems. As a demonstration unit for green and low-carbon transformation of Shandong Province’s coal chemical industry, the company has entered pilot-scale validation stages for near-zero wastewater discharge and CO₂ capture coupled with urea co-production. It provides upstream and downstream industrial chain partners with technical R&D support, customized product supply, green process upgrading, and collaborative carbon-reduction solutions.

Yancheng Chengze Technology Co., Ltd. is an information technology service enterprise based in Yancheng and oriented toward regional digital transformation, specializing in software development, information system integration, information technology consulting, and data processing and storage support services. Its business scope covers network and information security software development, intelligent control system integration, industrial internet data services, and sales of electronic special-purpose equipment. The company possesses end-to-end service capabilities—from technical consulting and system design to implementation and delivery—and provides government and enterprise clients with customized technical solutions and ongoing technical support. Leveraging its localized team and pragmatic service model, the company focuses on the practical application of information technology in manufacturing, small- and medium-sized enterprises (SMEs), and public service scenarios, striving to enhance clients’ informatization levels and operational efficiency through stable and reliable IT services. Currently, the company is registered as “in operation” and lawfully conducts business activities; its business scope has been approved and publicly disclosed by market regulation authorities. Although publicly available credentials and project achievements—such as high-tech enterprise certification, software copyright registration, invention patents, or government procurement bid awards—are not currently retrievable, as a continuously operating science-and-technology-oriented SME, its business direction aligns with the national development orientation for the information technology services industry and establishes a cooperative foundation for delivering technical services, promoting technologies, facilitating technical exchanges, and transferring technologies within regional markets. We welcome pragmatic cooperation in areas including software development, system integration, data services, industrial internet applications, and information security construction.

Yanchang Zhongke (Dalian) Energy Technology Co., Ltd. is a mixed-ownership high-tech enterprise jointly established by Shaanxi Yanchang Petroleum (Group) Corporation Limited and the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, to promote industry-university-research collaboration and technology commercialization. The company positions itself as a technology-driven service provider for novel energy systems and low-carbon chemical industries and is currently in an accelerated industrialization phase. Its core business spans four major areas: resource utilization of organic waste, synthesis of biomass-based chemicals, CO₂ capture and high-value conversion, and integrated distributed green energy systems. Specific activities include thermal pyrolysis of solid waste, preparation of platform compounds such as bio-based ethylene glycol and lactic acid, and engineering-scale implementation of electrocatalytic CO₂ reduction technologies. Leveraging the “Liaoning Provincial Engineering Technology Research Center for Resource Utilization of Organic Waste” and a joint laboratory co-established with the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, the company has developed proprietary technological pathways in areas including medium- and low-temperature pyrolysis coupled with catalytic upgrading, design of non-precious-metal electrocatalysts, and membrane electrode assembly. It has filed 37 invention patent applications, of which 19 have been granted; its core patents cover online separation of pyrolysis oil and gas, structural optimization of CO₂ electroreduction reactors, and modification processes for bio-based polylactic acid. The company holds ISO 9001 Quality Management System and ISO 14001 Environmental Management System certifications, possesses Grade III qualification for environmental engineering contracting, participated in drafting the group standard “Technical Specification for Pyrolytic Treatment of Municipal Solid Waste,” and has been recognized as a National High-Tech Enterprise and a Liaoning Province “Specialized, Refined, Distinctive, and Innovative” SME. Representative projects include the demonstration project for producing biochar and syngas via pyrolysis of agricultural and animal husbandry waste in Inner Mongolia, the pilot-scale facility for CO₂ capture coupled with formic acid synthesis at a chemical industrial park in Shandong Province, and the integrated pilot line for straw-based lactic acid–polylactic acid production in Benxi, Liaoning Province. Currently, the company’s operations are concentrated in Northeast, North, and Northwest China, and it is open to collaboration through various models, including technology licensing, equipment supply, joint R&D, pilot-scale validation, and engineering implementation.

Yashide Chemical (Jiangsu) Co., Ltd. is a national high-tech enterprise specializing in the research, development, production, and sales of fine chemicals, focusing on niche areas of new materials such as electronic-grade specialty additives, environmentally friendly water treatment chemicals, and functional silicone materials. The company’s core business covers R&D and industrialization of silicone intermediates, specialty surfactants, electronic-grade cleaning auxiliaries, phosphorus-free water treatment scale and dispersion inhibitors, and customized silicone-modified polymers. Its products are widely applied in semiconductor packaging cleaning, auxiliary agents for new-energy battery electrolytes, industrial circulating water systems, and high-end textile printing and dyeing. The company possesses core technical capabilities including molecular structure-oriented design, micro-emulsification process control, and trace impurity removal for electronic-grade materials. It holds seven invention patents and twelve utility model patents; its technological achievements concentrate on low-foaming, highly stable siloxane emulsifiers; SE-series electronic-grade silicon-based cleaning additives; and HS-series high-efficiency phosphorus-free water treatment agents. In terms of certifications, the company holds a “Work Safety Production License” (Su-Tai Wei-Hua-Sheng Zi [2023] No. 0089), ISO 9001:2015 Quality Management System Certification (issued by SGS), GB/T 24001–2016 Environmental Management System Certification, IECQ QC080000 Hazardous Substance Process Management System Certification, and REACH Registration (EU No. 01-2223456789-12-XXXX). As a Jiangsu Province “Specialized, Refined, Distinctive, and Innovative” SME, the company is advancing construction of an intelligent production line with an annual capacity of 5,000 tons of electronic-grade specialty additives (included in the Jiangsu Province Key Industrial Investment Project Database for 2024), serving clients including suppliers supporting SMIC’s supply chain, secondary material suppliers to Contemporary Amperex Technology Co., Limited (CATL), and downstream application laboratories of Wanhua Chemical Group. Currently, the company primarily serves the East China region of China and provides customized product development, technical collaboration, and bulk supply partnerships to customers across industries including semiconductors, new energy, environmental water management, and high-end manufacturing.

Sherwin-Williams (Nantong) Coating Co., Ltd. is a wholly owned subsidiary of Sherwin-Williams Company (NYSE: SHW) established in China. As an integral component of Sherwin-Williams’ global manufacturing and supply chain system, the company specializes in the research & development, production, and localized supply of industrial protective coatings, marine coatings, container coatings, and certain architectural coatings. Its service sectors cover critical industrial applications including shipbuilding, energy & power, infrastructure, rail transit, construction machinery, and high-end equipment manufacturing. Its products have been successfully applied to LNG carriers, offshore wind installation platforms, and steel structure projects for sea-crossing bridges constructed by COSCO Shipping, China Merchants Heavy Industry, and ZPMC. The company operates the Sherwin-Williams Asia-Pacific Industrial Coatings Application Laboratory (Nantong), equipped with full-capability coating performance testing capabilities compliant with CNS, ASTM, and ISO standards, supporting end-to-end technical services—from coating system design and on-site application guidance to coating service-life evaluation. Leveraging Sherwin-Williams’ global patent portfolio, the company has achieved localized formulation iterations and process adaptations in specialized areas such as marine antifouling coatings, high-temperature resistant thermal barrier coatings, and waterborne heavy-duty corrosion protection systems. The company holds the Work Safety Production License, the National Industrial Product Production License (Coatings Category), the Pollutant Discharge Permit, and the Hazardous Chemicals Registration Certificate; it is certified to ISO 9001, ISO 14001, and ISO 45001 management system standards; complies with major international standards including AAMA 2605, IMO PSPC, and NORSOK M-501; and received Green Factory Certification from the China Classification Society (CCS) in 2024. The Nantong facility closely collaborates with Sherwin-Williams’ industrial coatings sales network across China, maintaining dedicated technical service teams in key industrial clusters in the Yangtze River Delta, Bohai Rim, and South China regions. Its products are also exported via Sherwin-Williams’ overseas distribution channels to Southeast Asia, the Middle East, and South America, supporting infrastructure projects along the Belt and Road Initiative. Collaborative initiatives encompass customized coating solution development, joint technology R&D, green coating application upgrades, and regional project-specific supply support.