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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.

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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.

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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.

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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.

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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).

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Hubei Borui High-Performance Polymer Materials Co., Ltd., located in the Daye Economic Development Zone of Huangshi City, Hubei Province, is a national high-tech enterprise specializing in the research, development, production, and sales of high-performance silicone-modified polymer materials. Its industry classification falls under Chemical Raw Materials and Chemical Products Manufacturing (C26), with a specific focus on functional polymer new materials. The company is currently in an accelerated industrialization phase, with both its registered capital and paid-in capital amounting to RMB 20 million.  

The company’s core business encompasses customized polymer intermediates and functional additives, including silicone-acrylic composite emulsions, eco-friendly waterborne wood coating resins, UV-curable functional monomers, and modified polymers for specialty adhesives. Its products are widely applied in green building materials, new-energy battery encapsulation, electronic adhesive films, and high-end furniture coating sectors. Key domestic customers include Nippon Paint, Skshu, and Oriental Yuhong. Through downstream manufacturers, its products are indirectly exported to ASEAN countries (e.g., Vietnam) and Middle Eastern countries (e.g., Turkey).  

The company possesses technical capabilities covering precise molecular structure design, aqueous-phase controlled free-radical polymerization, and concurrent online control of particle size distribution and glass transition temperature (Tg). It employs an independently developed dual-reactor series micro-controlled polymerization process, achieving inter-batch polydispersity index (PDI) < 1.15 and solid content deviation of ±0.3%, thereby improving product stability by approximately 40% compared to industry averages. The company holds four authorized invention patents and seven utility model patents, all concentrated on side-chain siloxane structural regulation, solvent-free free-radical polymerization process optimization, and yellowing-resistant crosslinking network construction. Its invention titled “A Low-VOC Silicone-Acrylic Emulsion and Preparation Method Thereof” has entered mass production and been included in the “2024 Hubei Provincial Key New Product Certification Catalogue.”  

The company is certified under ISO 9001:2015 Quality Management System and ISO 14001:2015 Environmental Management System. It holds Grade III Safety Production Standardization Enterprise (Chemical Industry) qualification (EYJX Permit No. [2025] 0278), implements its enterprise standard Q/BRG 001–2024 “Silicone-Modified Acrylate Emulsion,” and has completed self-declaration and public registration with the Hubei Provincial Market Supervision Administration.  

Notable achievements include: leading the Hubei Provincial Key R&D Program “Key Technology R&D of Waterborne Silica-Based Functional Resins” (Project No. 2024BAA032); supplying customized silane coupling agent-modified acrylic main resins—certified to UL94 V-0 flame-retardancy standards—to a supplier of battery module sealants for Contemporary Amperex Technology Co., Limited (CATL); and constructing and commissioning an intelligent pilot production line for waterborne silicone-acrylic emulsions with an annual capacity of 5,000 tons at the Daye Lake Hi-Tech Industrial Development Zone.

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