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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.

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.

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.

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.

Xinyuan Power Co., Ltd. is a national high-tech enterprise specializing in the research, development, production, and sales of proton exchange membrane fuel cell (PEMFC) stacks and systems. It operates under the technology incubation system of the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, and holds a notable first-mover advantage in the localization and engineering of vehicle-mounted fuel cell technologies in China. The company’s core business covers the independent R&D and mass delivery of high-power vehicle-mounted fuel cell stacks (H Series and HY Series, rated power: 30–260 kW), fuel cell engine system integration, and critical components—including metallic bipolar plates and low-platinum catalyst-coated membrane electrode assemblies (MEAs). Its products have been deployed at scale in fuel cell buses, heavy-duty trucks, and special-purpose vehicles manufactured by leading Chinese OEMs such as Yutong Bus, Zhongtong Bus, Beiqi Foton, and Dongfeng Commercial Vehicle. Leveraging over 200 valid fuel cell-related invention patents—including more than 160 granted Chinese invention patents and over 20 international PCT patents—the company’s core technologies span key areas including MEAs, bipolar plates, stack structural design, cold-start capability, and water/thermal management. Its “High-Power-Density, Long-Life Vehicle-Mounted Fuel Cell Stack” received the First Prize of Liaoning Province’s Technology Invention Award in 2022 and has been included in the Ministry of Industry and Information Technology’s (MIIT) “Recommended Model Catalog for New Energy Vehicle Promotion and Application” as an approved powertrain system supplier. The company is certified to ISO 9001, ISO 14001, and IATF 16949 standards; it operates a CNAS-accredited comprehensive performance testing laboratory for fuel cell stacks and has led or participated in the formulation of 12 national and industry standards, including GB/T 23645—2023. Representative projects include hydrogen-powered transportation vehicles for the Beijing Winter Olympics (over 200 units deployed), Shanghai’s first demonstration operation of 100 fuel cell logistics heavy-duty trucks, and the fuel cell traction vehicle power system for the “Wind-Solar-Hydrogen-Energy Storage” integrated demonstration project in Ordos, Inner Mongolia. Technical collaborations extend to research institutions and automotive manufacturers in Japan, Germany, Canada, and other countries; in 2023, the company signed a joint technical verification agreement with Toyota Motor Engineering & Manufacturing (China) Co., Ltd. Currently, the company possesses intelligent production lines capable of manufacturing 5,000 fuel cell stack units annually and offers customized fuel cell stack supply, system integration, technical validation, and engineering services to vehicle OEMs, energy groups, local governments, and overseas partners.

Yonfer Agricultural Technology Co., Ltd. (Securities Abbreviation: Yangfeng; Securities Code: 000902.SZ) is one of China’s leading enterprises in the phosphate compound fertilizer industry, a national high-tech enterprise, and has been designated by the Ministry of Agriculture and Rural Affairs as both a “National Leading Enterprise in Modern Agricultural Industrialization” and a “Deputy Chairman Unit of the National Phosphate Compound Fertilizer Industry Technology Innovation Strategic Alliance.” The company has specialized in the phosphate compound fertilizer and new-type fertilizer sectors for over 40 years. Its core business covers research, development, production, and sales of the full range of phosphate compound fertilizers and new-type specialized fertilizers—including monoammonium phosphate (MAP), diammonium phosphate (DAP), high-concentration compound fertilizers, water-soluble fertilizers, slow- and controlled-release fertilizers, bio-organic fertilizers, and soil conditioners—and extends upstream to phosphate ore resource development (holding the mining rights for the Dayukou Phosphate Mine in Zhongxiang City, Hubei Province) and downstream to sulfur trading and an agricultural technical service network. Relying on its nationally certified enterprise technology center, postdoctoral research workstation, the Ministry of Agriculture and Rural Affairs Key Laboratory for Crop-Specific Fertilizers, and the Hubei Provincial Engineering Technology Research Center for New-Type Fertilizers, the company holds a total of 72 valid invention patents and 126 utility model patents, and has led or participated in the formulation and revision of 21 national and industrial standards. It has obtained ISO 9001, ISO 14001, and ISO 45001 system certifications, and holds the National Industrial Product Production License, fertilizer registration certificates issued by the Ministry of Agriculture and Rural Affairs and provincial authorities, and EU REACH registration qualifications. Its core brands—including “Yangfeng,” “Aofei,” “Baibeibang,” and “Dunfeng”—are distributed across all 31 provinces, autonomous regions, and municipalities directly under the central government, and have launched large-scale demonstration projects in areas such as black soil protection in Northeast China, acidified soil improvement in Southern China, and saline-alkali land remediation in Northwest China. The company has established China’s first integrated service center combining “digital agricultural services + intelligent fertilizer blending,” operating over 300 intelligent fertilizer-blending stations and more than 2,000 soil-testing and formula-fertilization service outlets nationwide. It undertakes sub-tasks under key national R&D programs during the 14th Five-Year Plan period, and several of its technologies have been listed by the Ministry of Agriculture and Rural Affairs as recommended technologies. Its products are exported to over 30 countries across Southeast Asia, South America, and Africa, with overseas revenue accounting for approximately 4.2% of total revenue in 2023. The company is open to in-depth collaboration with government projects, scientific research institutes, farming entities, distribution partners, and international clients in areas including green fertilizer R&D, customized fertilizer-blending services, solutions for improving cultivated land quality, co-development of intelligent agricultural service platforms, and international supply-chain coordination.