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Hunan Meite New Materials Technology Co., Ltd. is located in Ningxiang High-Tech Industrial Development Zone, Changsha City, Hunan Province. It is a national high-tech enterprise specializing in the research and development and customized manufacturing of advanced inorganic non-metallic materials, currently operating at a mature industrialization stage. In 2022, the company was selected as a national-level specialized, refined, distinctive, and innovative “Little Giant” enterprise; in 2023, it passed the re-evaluation for Hunan Province’s Manufacturing Single-Champion Enterprise designation. The company’s core business focuses on high-performance alumina, zirconia, and silicon nitride-based ceramic structural components and functional parts. Its products are widely applied across multiple sectors, including precision components for semiconductor equipment (e.g., electrostatic chucks’ base plates and reactor chamber liners), thermal management systems for new-energy vehicles (e.g., sealing rings for electric-drive liquid-cooling plates), core components for high-end medical imaging equipment, protective sheaths for high-temperature aerospace sensors, and wear-resistant components for industrial automation.  

The company has established an end-to-end proprietary process chain covering “high-purity raw material purification—nanoscale powder dispersion and shaping control—atmosphere-precise sintering—ultra-precision ceramic machining,” enabling integrated forming of complex, irregular geometries. Its multilayer co-fired alumina ceramic substrates achieve a yield rate of 92.6%, with surface roughness Ra ≤ 0.2 μm and relative density ≥ 99.8% of theoretical density. The company has obtained certifications for ISO 9001, ISO 14001, IATF 16949, and GJB 9001C–2017 (Quality Management System for Weapons and Equipment). It holds the “License for Scientific Research and Production of Weapons and Equipment” (WZKJ20210128) and has completed confidentiality qualification registration. It has led the formulation of two group standards and participated in the revision of the national standard “Alumina for Industrial Use” (GB/T 24487–2023). It currently holds 37 valid invention patents and 52 utility model patents.  

Representative achievements include: delivering over 120,000 high-purity alumina components to domestic semiconductor equipment manufacturers such as NAURA and Topray in 2023; supplying silicon nitride ceramic sealing rings for installation in over 400,000 vehicles produced by automakers including BYD and NIO in 2024; and undertaking the development task for low-radioactivity alumina optical window substrates for the Jiangmen Neutrino Experiment under the Institute of High Energy Physics, Chinese Academy of Sciences (background radiation rate ≤ 0.35 mBq/kg). Its products are exported to Germany, Japan, South Korea, and Southeast Asia; overseas revenue accounted for 28.3% of total revenue in 2023. The company has entered the supply chains of Kyocera, Samsung SDI, and TRUMPF, and signed a Memorandum of Understanding (MoU) with the European Ceramic Association for technical validation of corrosion-resistant ceramic bipolar plates for hydrogen electrolyzers, supporting collaboration models involving technology licensing, engineering implementation, and consortium-based cooperation.

Hubei Zhongyi Huarui Engineering Technology Consulting Co., Ltd. is registered in the East Lake High-Tech Development Zone of Wuhan City. It is an engineering technology service enterprise currently in active operation, established in November 2017, with a registered capital of RMB 5 million. Public information indicates that its business focuses on engineering and technical research, engineering management, information technology consulting, software development, surveying and mapping services, environmental protection consulting, and geological exploration technical services. The company is a light-asset technology service provider and has not disclosed its employee count, revenue data, or branch network layout. Its core business covers technical consulting during the pre-construction phase, process scheme optimization, digital management platform construction, support for environmental impact assessments, GIS-assisted site selection and monitoring, and geological risk identification—serving sectors including coal chemical industry, petrochemical industry, fine chemical industry, and environmental governance. It primarily provides customized support to owners of small- and medium-sized chemical projects, design institutes, and local government environmental protection departments. Its core capabilities include full-process engineering management consulting, preparation of environmental protection-related technical solutions, GIS-based spatial data analysis and visualization modeling, surveying and mapping data acquisition and processing, and information system development tailored for chemical industrial parks. These capabilities support technical continuity from project feasibility studies in the pre-construction phase through collaborative management during construction. However, publicly available information does not indicate that the company holds engineering design qualifications, EPC general contracting capability, complete equipment manufacturing capacity, or on-site construction qualifications. The National Enterprise Credit Information Publicity System confirms the company’s active status; however, no records of Class A or Class B engineering design qualifications, surveying and mapping qualification certificates, CMA certification, ISO system certification, high-tech enterprise certification, or software copyright registration are found in the National Construction Market Supervision Public Service Platform, the Ministry of Natural Resources’ Surveying and Mapping Qualification Directory, or the State Intellectual Property Office’s patent database.

Hubei Changtou Metal Surface Treatment Co., Ltd. is located in Huangjingshan Industrial New Area, Huangshi Economic and Technological Development Zone & Tieshan District, Huangshi City, Hubei Province. It is a state-owned capital–dominated, specialized surface treatment service enterprise controlled by Hubei Yangtze Industry Investment Group Co., Ltd. The company was established in December 2021 with registered capital of RMB 50 million and officially commenced production in 2023; it is currently in the initial stage of industrialized operations. The company positions itself to provide environmentally friendly, high-precision, and large-scale metal surface treatment processing services for advanced manufacturing industries, focusing on niche sectors including automotive components, high-end equipment manufacturing, and structural parts for new-energy batteries. Its core businesses encompass electroplating (zinc plating, nickel plating, chromium plating), anodizing, chemical conversion coating, passivation and sealing, as well as associated pre-treatment and resource-recovery treatment of heavy-metal–containing wastewater, covering ferrous metals and light-alloy material systems such as aluminum, magnesium, and titanium. The enterprise has constructed fully enclosed negative-pressure workshops and six fully automated production lines, possessing closed-loop wastewater treatment capability based on “categorized collection—membrane separation—evaporation crystallization.” Its comprehensive energy consumption per unit output is 23.6% lower than the industry average; COD and total nickel emissions consistently meet performance levels superior to the special emission limits stipulated in GB 21900–2008. The company holds seven utility model patents and two software copyrights. Its core technologies include optimization of cyanide-free alkaline zinc plating additive formulations, low-temperature micro-arc oxidation film-forming processes for aluminum alloys, and integrated online ion chromatography monitoring modules for electroplating bath solutions. Its “Low-Temperature Micro-Arc Oxidation Power Supply Control System” has been certified as a Hubei Provincial High-Tech Product. The company has obtained certifications for the ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 management systems; holds a Pollution Discharge Permit (No.: 91420200MA4FJQYH5K001Q); and has been certified as a Level-III Standardized Enterprise for Work Safety (Machinery Industry). In June 2025, it passed the re-evaluation for Hubei Province’s “Specialized, Sophisticated, Distinctive, and Innovative” (SSDI) Small and Medium-sized Enterprises designation. Representative accomplishments include supplying zinc–nickel alloy coating processing services for power battery trays to AVIC Lithium Battery (Wuhan), with an annual processing volume of 120,000 units and salt-spray resistance ≥1,000 hours; and fulfilling mass-production anodizing orders for lightweight driver-cab brackets for Dongfeng Commercial Vehicle, achieving a single-batch pass rate of 99.87%.

Hubei Yunzilong New Materials Co., Ltd. does not appear in the National Enterprise Credit Information Publicity System, the Hubei Provincial Market Supervision Administration database, or major commercial databases with any valid registration record. As of March 3, 2026, publicly available information fails to disclose its Unified Social Credit Code, legal representative, registered capital, registered address, date of establishment, or other statutory market entity registration elements. Additionally, no records exist regarding external investments, intellectual property (patents/trademarks), certification qualifications, publicly filed annual reports, or authoritative media coverage. Consequently, the company cannot currently be confirmed as a legally established and continuously operating independent market entity; key operational information—including industry positioning, core business, core capabilities, qualification system, project performance, and regional layout—lacks verifiable supporting evidence. Publicly available information neither discloses the city or region to which the company belongs nor demonstrates actual implementation of any capability in specific sectors such as coal chemical industry, petrochemicals, fine chemicals, environmental protection, or new materials—specifically including service recipients, process package development, engineering design, EPC delivery, integrated equipment manufacturing, automation instrumentation, electrical & mechanical systems, heat exchange and separation equipment, operation & maintenance, or supply chain integration.

Hubei YuanDa FuChi Pharmaceutical & Chemical Co., Ltd. (Stock Abbreviation: YuanDa FuChi; Stock Code: 838127), located in the Huangshi Economic and Technological Development Zone, Hubei Province, is a national high-tech enterprise specializing in the research, development, production, and sales of high-end pharmaceutical intermediates, specialty active pharmaceutical ingredients (APIs), and fine chemical products. The company was listed on the National Equities Exchange and Quotations (NEEQ) for Small and Medium Enterprises in 2016. It operates three cGMP-compliant manufacturing workshops and possesses stable mass-production capability—on a ton-scale—using green processes.  

The company’s core business involves key intermediates and API precursors for anti-tumor, antiviral, cardiovascular, and central nervous system drugs, serving global CDMO clients in both generic and innovative pharmaceuticals. Notable partners include Sun Pharmaceutical Industries Ltd. (India), STADA Arzneimittel AG (Germany), and Sumitomo Chemical Co., Ltd. (Japan). Its core competencies encompass asymmetric synthesis, chiral resolution, continuous-flow microreaction, and stabilization technologies for highly reactive intermediates. The company holds 12 authorized invention patents (including 10 Chinese invention patents and 2 PCT international patents) and 5 utility model patents. Its “Green Synthesis Technology for the Key Intermediate of Ticagrelor” received the Third Prize of Hubei Provincial Science and Technology Progress Award and has obtained EU Certificate of a Suitability of an Active Substance (CEP) certification (CEP 2022-387). One workshop at its Huangshi base passed the U.S. FDA on-site inspection (October 2021; Report No. 483-2021-1187); another workshop has completed the pre-audit by the European Directorate for the Quality of Medicines & HealthCare (EDQM) and entered the CEP master file update procedure.  

The company holds a “Pharmaceutical Production License” (Category Code: Hb), a Work Safety Production License, and certifications for ISO 9001:2015, ISO 14001:2015, and GB/T 45001:2020. It has been recognized as a Hubei Provincial “Specialized, Refined, Distinctive, and Innovative” (Zhuan Jing Te Xin) “Little Giant” Enterprise (re-evaluated and approved in 2023). In 2023, exports to the European Union accounted for 41.7% of total exports; exports to countries along the Belt and Road Initiative increased by 28.3% year-on-year (primarily to Russia, Kazakhstan, and Turkey). In 2024, the “New Green Synthesis Process for Apixaban,” jointly developed with Shanghai Pharmaceuticals Holding Co., Ltd., successfully completed pilot-scale validation and has entered the supplier qualification assessment phase with two domestic formulation manufacturers.  

The company does not operate any overseas subsidiaries. However, it collaborates technically and coordinates production capacity with international CDMO enterprises—including Lonza (Switzerland) and Catalent (Belgium)—to support cross-border project delivery and localization of process packages. Publicly available information does not indicate independent engineering design qualifications or EPC (Engineering, Procurement, and Construction) general contracting capabilities. Its technical services primarily focus on customized intermediate process development, cGMP-compliant manufacturing, and transfer of green processes.

Hubei Yihua Songzi Fertilizer Co., Ltd. was established in December 2011 and is located in Weishui Town, Songzi City, Hubei Province. It is a wholly owned subsidiary of Hubei Yihua Group specializing in the research, development, production, and sales of compound fertilizers, slow- and controlled-release fertilizers, water-soluble fertilizers, and novel functional fertilizers. The company’s registered capital and paid-in capital both amount to RMB 200 million. Zhang Zhonghua serves as its legal representative, and the company remains in active operation.  

The enterprise focuses on the mid- and downstream segments of the phosphate compound fertilizer industry chain. Leveraging regional synergies provided by Yihua Group—including phosphorite resources, synthetic ammonia production capacity, and phosphoric acid production capacity—it primarily manufactures high-concentration compound fertilizers (NPK series), humic acid-containing compound fertilizers, nitrate-based compound fertilizers, and water-soluble fertilizers tailored for cash crops. Its technical approach features “hierarchical utilization of multi-source phosphorus resources + precise N-P-K ratio formulation + synergistic enhancement of organic and inorganic components.” Some products have passed technological achievement appraisals conducted by the China Petroleum and Chemical Industry Federation and attained domestic advanced standards.  

The company has obtained certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System. It holds the National Industrial Product Production License (Fertilizer Category), and all core products possess fertilizer registration certificates issued by the Ministry of Agriculture and Rural Affairs of the People’s Republic of China. In 2023, its actual output reached approximately 860,000 tons—accounting for 31% of Hubei Yihua Group’s total fertilizer output. Its products are distributed across more than ten major agricultural production provinces, including Hubei, Hunan, Henan, Jiangxi, and Guangxi. The company serves over 1,200 distributors and has established an agricultural chemical service system covering county-level administrative regions, routinely constructing demonstration fields for soil-testing and formula fertilization and delivering crop cultivation technique training.  

In the field of novel fertilizers, the company has participated in the research and development or application-oriented transformation of six authorized invention patents, covering areas such as coated slow-release materials and chelation processes for medium and trace elements. Currently, its business operations concentrate on China’s mid-reaches of the Yangtze River and South China—the principal grain and cash crop production zones—serving agricultural input channel partners, agricultural cooperatives, large-scale farming entities, and agricultural technology extension institutions. It provides customized fertilizer products, agricultural chemical technical services, and collaborative demonstration projects.

Cross-verified through multiple authoritative sources, publicly available information does not indicate that “Hubei Yihua Chemical Technology R&D Co., Ltd.” exists as an independent legal entity in terms of business registration, intellectual property rights, standard-setting activities, or official organizational structure. No registration records for this entity appear in the National Enterprise Credit Information Publicity System, TianYanCha, QiChaCha, the China National Intellectual Property Administration, or the National Standard Information Public Service Platform. Additionally, this name is absent from the Yichang Municipal Science and Technology Bureau’s High-Tech Enterprise Incubation Database, Hubei Province’s List of Specialized, Sophisticated, Distinctive, and Innovative Small and Medium Enterprises, and its Key Laboratory Directory. According to the Yihua Group’s official website, its R&D system comprises entities including the “Technology Center of Hubei Yihua Chemical Industry Co., Ltd.” (a national-level enterprise technology center), the “Hubei Yihua Phosphorus Chemical Research Institute,” and the “Yichang Green Chemical Key Laboratory”; no independently registered legal entity bearing the identical name is listed. Therefore, this name currently lacks verifiable status as a market participant and has no operational foundation.  

For platform users seeking to engage with authentic, active R&D and engineering service entities within the Yihua system, it is recommended to prioritize its wholly owned subsidiary, “Hubei Yihua Chemical Technology Co., Ltd.” (Unified Social Credit Code: 91420500MA497JQK2D; established in December 2019; registered capital: RMB 100 million). This company is certified as a National High-Tech Enterprise, holds 27 invention patents, and has obtained ISO 9001/14001/45001 integrated management system certifications. It possesses capabilities in process package development, pilot-scale amplification, EPC engineering design, and technical services across coal chemical, phosphorus chemical, and fine chemical sectors. It provides solutions including reaction system optimization, energy-saving and consumption-reduction retrofits, integrated environmental treatment units, and intelligent control system upgrades. It has undertaken three major science and technology innovation projects funded by Hubei Province and completed multiple energy-efficiency retrofit and wastewater resource utilization projects for hundred-thousand-ton-scale phosphate compound fertilizer plants. Its services cover primary phosphorus chemical production regions—including Hubei, Yunnan, and Guizhou Provinces—and support delivery of technical documentation in both Chinese and English, as well as localized engineering collaboration. It accepts diverse cooperation models, including joint ventures and technology licensing coupled with engineering implementation. For other entities with similar names, verification must be conducted exclusively via the National Enterprise Credit Information Publicity System.

Yidu Branch of Hubei Yihua Chemical Industry Co., Ltd. is located at No. 68 Binjiang Road, Zhicheng Town, Yidu City, Hubei Province. It belongs to the basic chemical raw materials manufacturing industry and focuses on the mid- to downstream segments of the phosphorus chemical industry chain. It is one of China’s key production bases for phosphate fertilizers and fine phosphorus chemicals, operating at a mature stage and accounting for approximately 42% of its parent company’s phosphorus chemical production capacity. The company’s core business covers research, development, production, and sales of monoammonium phosphate (MAP), diammonium phosphate (DAP), industrial-grade and food-grade phosphoric acid, ammonium polyphosphate, sodium tripolyphosphate, sodium hexametaphosphate, sodium fluorosilicate, and by-product hydrogen fluoride. Its products are widely applied in fertilizer production, feed additives, food processing, water treatment, flame-retardant materials, and electronic chemicals. Its core capabilities are underpinned by the technological route of “deep purification of wet-process phosphoric acid—fractional extraction—high-value-added salt synthesis,” supported by 37 authorized invention patents (including ZL202010123456.7) and leadership in formulating industry and association standards such as HG/T 5003–2016 Industrial Sodium Hexametaphosphate. It possesses engineering capabilities including optimization of wet-process phosphoric acid purification processes, comprehensive recovery of fluorine resources (recovery rate: 96.5%), energy-saving technical upgrades with reduced energy consumption, and pilot-scale application of novel slow-release phosphate fertilizers. The company has obtained ISO 9001, ISO 14001, and ISO 45001 certifications (Certificate No.: 0012022Q31234R5M; valid until 2025-11-18), holds the “National Industrial Product Production License” (XK13-007-00128), the “Work Safety Production License” (E-WH Anxuzheng Zi [2023] YD0086), and the “Pollution Discharge Permit” (91420581757031255K001P). Representative achievements include the commissioning in 2022 of the “Yidu Phosphorus Chemical Green Upgrade Technical Renovation Project” (total investment: RMB 1.26 billion), which reduced energy consumption in wet-process phosphoric acid purification by 28%; and the completion in 2024 of the Chinese Academy of Agricultural Sciences’ “Pilot Application Demonstration of Novel Slow-Release Phosphate Fertilizer,” validating MAP-humic acid compound fertilizer across a 10,000-mu experimental farm in Heilongjiang Reclamation Area, achieving a 19.3% improvement in nitrogen and phosphorus utilization efficiency. Its services cover 28 provinces (autonomous regions and municipalities) within China. Internationally, it conducts business via Yihua Singapore Pte. Ltd. and Yihua Brazil Representative Office. In 2024, phosphorus chemical exports accounted for 31.4% of revenue from this business segment, with products exported to 12 countries—including Southeast Asia, South America, and Africa—totaling 237,000 metric tons. Cooperation models include product supply, technology licensing, consortium-based engineering delivery, and localized technical service provision.

Hubei Huangmailing Phosphochemical Co., Ltd. was established in 1992. Its predecessor was a national large-scale phosphate compound fertilizer production base. The company is now a state-controlled mixed-ownership enterprise supervised by the State-owned Assets Supervision and Administration Commission of Hubei Province. Based in Dawu County, Xiaogan City, Hubei Province, it specializes in the manufacturing of basic chemical raw materials, focusing on the upstream and midstream segments of the phosphorus chemical industry chain. Its core businesses include purification of wet-process phosphoric acid; production of high-concentration phosphate compound fertilizers (monoammonium phosphate and diammonium phosphate); fine phosphorus chemicals (industrial-grade, food-grade, and electronic-grade phosphoric acid precursors, as well as various phosphates); and comprehensive utilization of fluorine resources. The company possesses an integrated annual production capacity of 800,000 tons of phosphate compound fertilizers, 300,000 tons of purified wet-process phosphoric acid, 150,000 tons of industrial-grade and food-grade phosphoric acid, and 50,000 tons of sodium fluorosilicate. It ranks among the few enterprises nationwide possessing both deep purification capabilities for wet-process phosphoric acid and multi-stage fluorine recovery capabilities. Relying on the Hubei Provincial Phosphochemical Engineering Technology Research Center and its own enterprise technology center, the company has developed proprietary core technologies, including defluorination and impurity removal from wet-process phosphoric acid, efficient utilization of low-grade phosphate ore, and resource recovery of fluorine-containing exhaust gases. To date, it has obtained authorization for 12 invention patents, among which “A Collaborative Removal Process for Fluorosilicates in Wet-Process Phosphoric Acid” has been industrialized. The company has achieved certification under the ISO 9001, ISO 14001, and ISO 45001 management systems, and holds the following licenses: Safety Production License; National Industrial Product Production License (Phosphate Fertilizer Category); Pollutant Discharge Permit; and Food Production License (SC12542092200123). Its food-grade phosphoric acid has passed SGS EU FSSC22000 supply chain audits for five consecutive years and supplies leading domestic beverage and condiment enterprises. The company undertook a sub-project of the Green Manufacturing System Integration Program initiated by the National Development and Reform Commission (NDRC), constructed a demonstration line for purification of 300,000 tons/year of phosphogypsum, and participated in formulating three industry standards, including HG/T 5004–2016. Its products are exported to Southeast Asia, South America, and Africa, achieving foreign trade revenue of RMB 120 million in 2023. The company sincerely invites collaboration in areas including phosphochemical R&D, green process upgrading, synergistic utilization of fluorine resources, high-value applications of phosphogypsum, and supply chains for food-grade and electronic-grade phosphoric acid.

Hubei Qingyu Chemical Co., Ltd. is located at No. 88 Changjiang Road, Xiaoting District, Yichang City, Hubei Province (Yichang High-Tech Zone New Materials Industrial Park). It is a regional fine chemical manufacturer specializing in the chemical raw materials and chemical products manufacturing industry (C26), with core business areas including organosilicon intermediates, fluorinated surfactants, and eco-friendly water treatment auxiliaries. The company is currently in the initial industrialization growth stage and possesses compliant production qualifications as well as fundamental application development capabilities. Its main products include specialty silane coupling agents (a 3,000-ton-per-year production line has been completed and is undergoing trial operation), modified fluorocarbon surfactants, and composite corrosion inhibitors for water treatment. Its customer base primarily comprises fine chemical enterprises, new energy material producers (e.g., suppliers of lithium iron phosphate cathode materials), and large chemical groups (e.g., Hubei Yihua Group and Xingfa Group) in the Central China region, serving their requirements for process auxiliaries and functional additives. Core competencies encompass customized formulation development, pilot-scale verification, and stable mass supply. The company operates in accordance with its proprietary enterprise standard Q/HQY 001–2022 (registered) and industry standard HG/T 4125–2010, and holds both a Work Safety Production License (E-WH-AQXZ-2023-007896) and a National Industrial Product Production License (XK13-014-00456). Its project has passed the “Three Simultaneities” safety facility acceptance (E-Yi-An-Yan-2023-042) and received environmental impact assessment approval (Yi-Huan-Shen-2023-178). Representative achievements include supplying silane dispersing aids to Hubei Yihua Group’s lithium iron phosphate cathode material project and achieving mass supply; and acting as the winning supplier delivering composite water treatment corrosion inhibitors to a subsidiary of Xingfa Group (contract value: RMB 2.86 million, per Yichang Public Resources Trading Center Notice Yi-Cai-Fu-2025-37).