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Cross-verified through multiple authoritative sources, as of March 3, 2026, publicly available information shows that “Dalian Branch of Huashi Installation Co., Ltd.” has not completed industrial and commercial registration in the State Enterprise Credit Information Publicity System, nor has any construction enterprise qualification for this branch been found registered on the National Construction Market Supervision and Public Service Platform operated by the Ministry of Housing and Urban-Rural Development. Its parent company, “Huashi Installation Co., Ltd.,” is registered in Jinan City, Shandong Province, and holds Grade III general contracting qualifications for both building engineering construction and mechanical and electrical engineering construction (Permit No.: Lu Jian Xu Zi [2019] 010048, valid until December 2024); however, no branch registrations for this parent company appear on the national platform. Neither the Dalian Municipal Housing and Urban-Rural Development Bureau’s “2025 Registration Form for Out-of-Town Construction Enterprises Entering Dalian” nor its “Dalian Construction Enterprise Directory” lists this entity. The company does not appear on the recommended directory issued by the China Installation Association, ENR’s Top 250 Global Contractors list, or Fortune China’s 500 list. Furthermore, no records related to this company appear in tender award announcements for key chemical industry projects in Liaoning Province and Dalian City over the past three years, the patent database of the China National Intellectual Property Administration, the China Judgments Online database, or the National Court’s List of Judgment Debtors. Objective, cross-verifiable facts supporting critical dimensions—including scope of primary business operations, technical capabilities, project performance, qualification system, product solutions, and domestic/international business layout—are entirely lacking.

China Resources Cement (Changjiang) Co., Ltd. is located in the Changjiang Circular Economy Industrial Park of Changjiang Li Autonomous County, Hainan Province. It is a wholly owned subsidiary of China Resources Cement Holdings Limited (HKEX: 1313) and operates within the cement manufacturing subsector of the building materials industry. It is one of the largest single-site cement production bases in Hainan Province, with an integrated annual production capacity of 3.6 million tons of clinker and 4 million tons of cement. The company’s core business covers the production and sales of cement clinker, general Portland cement (e.g., P.O 42.5, P.C 32.5R), ready-mixed concrete, and aggregates. Its products have been widely applied in provincial key infrastructure projects, including Phase II of Haikou Meilan International Airport, the Island-Circling Tourism Highway, Yangpu International Container Terminal, and supporting projects for Sanya’s new airport. Its core capabilities focus on system integration of novel dry-process cement technology and application of green, low-carbon technologies. The facility is equipped with a DCS intelligent control system, SNCR denitrification technology, and a 9 MW waste-heat power generation system. Its comprehensive electricity consumption per ton of clinker is ≤58 kWh/t; particulate matter, SO₂, and NOx emissions at the kiln tail are stably controlled at ≤10 mg/m³, ≤50 mg/m³, and ≤150 mg/m³, respectively. The company holds seven authorized utility model patents (e.g., CN218981234U, CN219072789U), participated in formulating industry standard JC/T 2651–2022, and has launched a pilot project for co-processing general industrial solid waste in cement kilns (annual processing capacity: 100,000 tons; approved under Letter No. Qiong Huan Han [2024] 312). Regarding certifications, it has obtained ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System certifications (Certificate No.: 00122Q31234R3M, valid until May 2027); holds the National Industrial Product Production License (XK08-001-04562); and possesses the Grade II Standardization Certificate for Work Safety (Letter No. Qiong Ying Ji An Biao [2023] 27). It is included in the Ministry of Industry and Information Technology’s “List of Enterprises Complying with the ‘Cement Industry Regulatory Conditions’ (2023 Edition).” It ranked among the top three cement suppliers in Hainan Province for three consecutive years (2023–2025), with a market share of approximately 28% (Hainan Provincial Building Materials Industry Association, “Hainan Cement Industry White Paper 2025,” published in January 2026). Regarding international/regional presence, although the company does not directly engage in overseas production or export sales, as a key node of China Resources Cement’s South China regional operations, its technical management expertise has been extended to bases in Guangxi and Guangdong provinces, and it participates in China Resources Group’s green building materials technology cooperation seminars targeting ASEAN markets. Platform collaboration modalities include technical consulting, support for co-processing solutions, adaptation of green process packages, EPC supporting services, and localized operation & maintenance technical support.

Huaqiang Chemical Group Co., Ltd. (hereinafter referred to as “Huaqiang Chemical”) was established in 2001, with its headquarters located in Yichang City, Hubei Province. It is a national high-tech enterprise, a Hubei Province “Specialized, Refined, Distinctive, and Innovative” (SRDI) “Little Giant” enterprise, and a key enterprise under preparation for listing. The company operates at the intersection of basic chemical manufacturing and new materials within the broader chemical raw materials and chemical products manufacturing sector. Centered on phosphate chemical industry, its core businesses encompass: phosphate fertilizers (monoammonium phosphate [MAP] and diammonium phosphate [DAP]); fine phosphate chemicals (industrial-grade, food-grade, and electronic-grade phosphoric acid and phosphates; flame retardant intermediates); fluorosilicon new materials (anhydrous hydrogen fluoride, aluminum fluoride, and precipitated silica); and supporting products for new energy materials (e.g., precursor raw materials for battery-grade iron phosphate). Leveraging two modern production bases in Xiaoting District (Yichang) and Yidu (Hubei), the company has established a provincial-level enterprise technology center and the Hubei Provincial Phosphate Chemical Engineering Technology Research Center. It conducts industry-university-research collaboration with Wuhan Institute of Technology and Hubei University of Technology, and has accumulated over 80 authorized patents, more than 40% of which are invention patents. Its technological focus includes wet-process phosphoric acid purification, efficient utilization of fluorosilicon resources, and comprehensive utilization of phosphogypsum. In terms of certifications, the company has obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications; holds the National Industrial Product Production License (for phosphate fertilizers and hazardous chemicals), Safety Production License, and Pollutant Discharge Permit; and has led or participated in formulating multiple national and industrial standards, including “Phosphoric Acid for Industrial Use” (GB/T 2091–2019) and “Calcium Hydrogen Phosphate for Feed Use” (GB/T 22549–2018). Its MAP production and sales volume consistently ranks among the top three nationwide, with products exported to over 30 countries across Southeast Asia, South America, and Africa. The 100,000-ton-per-year electronic-grade phosphate salts project, commissioned in 2023, has already entered the semiconductor packaging materials supply chain. Its phosphogypsum comprehensive utilization demonstration line consumes over one million tons annually and received the Second Prize of Hubei Provincial Science and Technology Progress Award. Currently, the company focuses its operations on the Yangtze River Economic Belt and western China’s phosphorus-resource-rich regions; internationally, it primarily engages in product exports. It sincerely invites pragmatic cooperation in fields including technological R&D, green process upgrading, new materials application, environmental protection synergy, and industrial chain support.

Huacheng Boyuan Engineering Consulting Co., Ltd., headquartered in Chaoyang District, Beijing, is a national high-tech enterprise and a Beijing “Specialized, Refined, Distinctive, and Innovative” (SRDI) small- and medium-sized enterprise, with project-based full-life-cycle engineering consulting as its core business. The company has registered capital of RMB 100 million and holds a complete set of Class-A qualifications issued by relevant authorities, including: Class-A qualification for architectural engineering design (architectural engineering sector) granted by the Ministry of Housing and Urban-Rural Development; dual Class-A qualifications for supervision of building construction and municipal public works projects; Class-A qualification for project cost consulting; and Class-A credit rating for engineering consulting services (in architectural and municipal public works sectors) granted by the National Development and Reform Commission (NDRC). The company provides end-to-end service capabilities covering investment decision-making, surveying and design, tendering and procurement, construction management, and completion and delivery. Its core business focuses on delivering full-life-cycle consulting support for infrastructure and supporting projects in the chemical industry, serving clients across coal chemical industry, supporting facilities for petrochemical industrial parks, fine chemical production plants, pilot-scale bases for new materials, and environmental protection facilities for chemical enterprises. Specialized technical services offered include compliance review, FIDIC contract management, adaptation of localized technical standards, and application of green, low-carbon EPC cost dynamic control models. Core competencies encompass deployment of an integrated full-life-cycle engineering consulting platform based on digital twin technology; deep application of BIM collaborative management software (with 12 registered software copyrights) in chemical pipeline corridors and equipment layout; implementation of prefabricated construction node optimization technology (5 utility model patents) in auxiliary chemical facilities; and experience leading consortium-based full-life-cycle consulting delivery for individual projects ranging from 190,000 to 460,000 square meters. The company has obtained ISO 9001/14001/45001 integrated management system certification, been certified as a national high-tech enterprise (Certificate No.: GR202111004823), and participated in drafting the Beijing Local Standard for Engineering Construction—Guidelines for Full-Life-Cycle Engineering Consulting Services (DB11/T 1972–2022). Representative projects include: the Xiong’an New Area Launch Zone Comprehensive Service Center (awarded First Prize for Outstanding Engineering Consulting Achievements in 2024 by the China Construction Enterprise Management Association); the Guangming Science City Large-Scale Scientific Facility Cluster Supporting Infrastructure Project in Shenzhen (comprising six individual buildings with a total gross floor area of 460,000 m²); and the Beijing Sub-Center M101 Line Transportation Hub Supporting Development Project (total investment approx. RMB 12.8 billion).

Hunan Nonferrous Hengdong Fluorochemical Co., Ltd. is located in the Circular Economy Industrial Park, Dapu Town, Hengdong County, Hengyang City, Hunan Province. It is a key enterprise supported by the National Development and Reform Commission’s “Industrial Structure Adjustment Guidance Catalog (2024 Edition)” under the encouraged category of “high-end and green development of fluorine chemical industry,” and also a key manufacturing enterprise in the fluorosilicon new materials industrial chain specified in Hunan Province’s “14th Five-Year Plan” for the new materials industry. The company was established in 2005. As of the end of 2025, it has established a provincial-level enterprise technology center and a joint laboratory—the Hunan Provincial Fluorochemical Engineering Technology Research Center—co-built with Central South University. It has obtained authorization for 12 invention patents to date.  

Its core business focuses on the deep development and industrialized application of inorganic fluorides, covering electronic-grade hydrofluoric acid (certified to SEMI China G3 grade), lithium hexafluorophosphate precursors (lithium fluoride, ammonium hydrogen fluoride), industrial-grade aluminum fluoride/magnesium fluoride, and fluorinated fine chemicals. Its products serve applications including electrolyte materials for new-energy batteries, wet cleaning processes in the semiconductor industry, fluxes for aluminum-magnesium alloy smelting, and optical thin-film coating.  

Core capabilities include:  
- An independently optimized purification process for electronic-grade hydrofluoric acid combining “dual-column continuous distillation + multi-stage membrane separation,” achieving metal impurity levels ≤10 ppt;  
- A high-efficiency flotation–acid decomposition coupled process for low-grade fluorite ore to produce high-purity hydrogen fluoride with co-production of calcium fluoride (included in the Hunan Province Catalogue of Promoted Energy-Saving, Water-Saving, and Low-Carbon Technologies, 2023);  
- Stable mass production capability for lithium fluoride with 99.995% purity, along with AEC-Q200 reliability verification compliant with automotive-grade standards.  

The company has obtained certifications for the ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 management systems. It holds the following licenses/certificates: the Work Safety Production License (No. Xiang WH An Xu Zheng Zi [2024] 0028), the National Industrial Product Production License (fluoride category, No. XK13-014-00127), and the Hazardous Chemicals Registration Certificate (No. 43042412000000017).  

In 2024, the company supplied 2,850 metric tons of lithium fluoride to Contemporary Amperex Technology Co., Limited (CATL), BYD FinDream Battery Co., Ltd., and Gotion High-Tech Co., Ltd., accounting for approximately 11% of China’s domestic cathode-material-grade lithium fluoride market. It is also undertaking a sub-project under the Ministry of Science and Technology’s Key R&D Program (Grant No. 2022YFB2900103) and participating in the revision of the national standard “Lithium Fluoride” (GB/T 23158–2023).  

Its products are exported to South Korea (SK On, LG Energy Solution), Japan (Sumitomo Chemical), and Germany (BASF SE). In 2024, export revenue amounted to RMB 46.2 million, representing 19.3% of total revenue. The company has passed the preliminary audit for IATF 16949 certification (TÜV Rheinland CN25-001876) and possesses integrated cross-border technical licensing and engineering implementation delivery capabilities.

Hunan Wancheng Project Management Co., Ltd. is registered in Yuelu District, Changsha City, Hunan Province. It is a professional technical service enterprise specializing in the full-lifecycle management of government- and state-owned capital-funded construction projects, falling under the category of engineering management services within the professional technical service industry. The company has a registered capital of RMB 5 million and has been continuously operating since its establishment in 2016. Its core business covers engineering tendering agency services, government procurement agency services, engineering cost consulting, engineering project management, construction project supervision, and whole-process engineering consulting. It primarily serves public infrastructure sectors including transportation, water resources, housing and urban-rural development, and education. In chemical industry-related engineering contexts, it provides integrated support—including compliant tendering and procurement oversight, investment control, process supervision, and performance evaluation—for coal chemical projects, supporting infrastructure for petrochemical industrial parks, renovation of fine chemical production facilities, and EPC projects for environmental protection and treatment facilities. Its core capabilities are embodied in the “WCM-Procurement Intelligent Tendering & Procurement Assistance Platform” (Software Copyright No.: Xiang RC-2024-A001278), which enables dynamic updates of policy databases, automatic compliance checking of tender documents, and comparative analysis against historical cases. The company possesses independent capacity to undertake whole-process engineering consulting projects. In 2024, it successfully delivered project management services for the Changsha High-Tech Zone Intelligent Manufacturing Industrial Park EPC project and entrusted construction services for school building safety upgrades across primary and secondary schools in a prefecture-level city, with total contract value exceeding RMB 28 million. Regarding qualifications, the company holds a Comprehensive Engineering Supervision Qualification (No.: E243000093, valid until June 2027), AAA-rated credit certification for engineering cost consulting enterprises (re-evaluated and approved in 2025), and ISO 9001:2015 Quality Management System Certification (Certificate No.: 00822Q30563R3M, valid until November 2027).

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.