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Tangshan Sanyou Chemical Industries Co., Ltd. (Stock Code: 600409.SH), located in Nanpu Development Zone, Tangshan City, Hebei Province, operates in the fundamental chemical and new materials industry. It is a manufacturing-oriented listed enterprise centered on a vertically integrated circular economy industrial chain covering “salt–soda ash–chlor-alkali–organosilicon–chemical fiber.” As of 2025, the company possesses annual production capacities of 4.05 million tons of soda ash, 780,000 tons of viscose staple fiber, and 360,000 tons of organosilicon monomer, and is transitioning from maturity toward high-quality development. Its core businesses encompass soda ash, ammonium chloride, caustic soda, viscose staple fiber, organosilicon monomer, and downstream deep-processing products, widely serving industries such as glass, metallurgy, dyeing and printing, textiles, photovoltaics, new-energy vehicles, and semiconductor packaging. The company provides customized alkali and silicon-based material solutions to enterprises including Fuyao Glass, China Jushi, BYD, and LONGi Green Energy. Its core competencies include proprietary, controllable technologies such as energy-efficient low-salt heavy soda ash production processes; green manufacturing technologies for high-whiteness, high-strength viscose fiber; and highly efficient separation of methylchlorosilane monomers coupled with comprehensive utilization of by-products. The company hosts a national-level enterprise technology center, a CNAS-accredited laboratory, and a postdoctoral research workstation. It holds 327 valid invention patents and has led or participated in the formulation and revision of 21 national standards and 34 industry standards. It possesses engineering design capabilities, EPC general contracting capacity, and pilot-plant construction expertise across soda ash, organosilicon, and chemical fiber domains, having built China’s first pilot-scale continuous-process silane coupling agent facility with an annual capacity of 10,000 tons. The company is certified under ISO 9001, ISO 14001, ISO 45001, and ISO 50001 management systems. Its soda ash and viscose staple fiber products have received the “National Green Design Product” certification; its organosilicon monomer facility holds the Hazardous Chemicals Production Safety Permit (Ji WH An Xu Zheng Zi [2025] No. 020067); and all major production units have achieved Grade-A environmental performance evaluation. Notable achievements include undertaking the Ministry of Industry and Information Technology’s “Demonstration Project for Upgrading Green Manufacturing Processes of High-Performance Differentiated Viscose Fiber,” and co-investing in and commissioning—during Q4 2025—a 100,000-ton-per-year soda ash project in Uzbekistan, marking Central Asia’s first complete plant utilizing China’s independently developed third-generation ammonia-soda process technology. Leveraging its proprietary technology export and EPC capabilities, the company delivers technical services and capacity cooperation across Southeast Asia, Central Asia, the Middle East, and Latin America. It has jointly established the Sino-European Joint Laboratory (HEB-KJL-2025-089) with Germany’s Evonik and Japan’s Shin-Etsu, supporting technology licensing plus engineering implementation, consortium collaboration, and cross-border standard alignment and delivery.

Qinghai Fato Alkali Industry Co., Ltd. is located in Delingha City, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province. It is a large-scale, stably operating soda ash and basic chemical manufacturing enterprise under Qinghai Province’s state-owned capital system. Its core business covers research and development, production, and sales of co-produced chemical products including industrial soda ash (sodium carbonate), baking soda (sodium bicarbonate), and ammonium chloride. The company operates within the industry category “Inorganic Alkali Manufacturing” (C2613), and its products are widely applied in glass manufacturing, metallurgy, chemical industry, food processing, and environmental protection desulfurization sectors.  

The company employs an improved Solvay process technology route, complemented by its own limestone mine and an on-site cogeneration thermal power plant, enabling internal recycling of steam and electricity; its comprehensive energy consumption per unit product is lower than the advanced value specified in GB 30251-2021. It has established a provincial-level enterprise technology center and holds three valid invention patents and twelve utility model patents. Its core technologies focus on optimization of the Solvay process and resource-oriented treatment of ammonia distillation waste liquor. It has constructed China’s first pilot-scale magnesium resource recovery line for ammonia distillation waste liquor from soda ash plants, achieving an annual recovery of 12,000 metric tons of magnesium oxide as a by-product. Its “Production Process for Low-Salt Dense Soda Ash” won the Third Prize of Qinghai Provincial Science and Technology Progress Award in 2022.  

The company has obtained certification for the ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 management systems; holds the “National Industrial Product Production License” (XK13-015-00123); was included in Qinghai Province’s 2023 list of “Specialized, Refined, Distinctive, and Innovative” small- and medium-sized enterprises; and has been added to the Ministry of Industry and Information Technology’s (MIIT) compliant enterprise directory under the “General Principles for Green Factory Evaluation” (2024 updated edition). With an annual soda ash production capacity of 1.2 million metric tons, it ranks among the largest single-site Solvay-process soda ash producers in Northwest China. Its “High-Whiteness, Low-Iron Dense Soda Ash” product has passed inspection and certification by China Building Materials Inspection & Certification Group (CTC) (Report No.: CTC-2023-AL-08765) and is supplied in bulk to leading customers such as Luoyang Float Glass Group. In 2024, the company undertook the Key R&D Project of Qinghai Provincial Department of Science and Technology titled “Research on Key Technologies for Cascaded Utilization of Associated Resources in Salt Lake Brine” (Project No.: 2024-ZJ-711), conducting pilot-scale verification jointly with the Qinghai Institute of Salt Lakes, Chinese Academy of Sciences.  

Currently, its primary business focus lies in the Northwest and North China markets, serving customers across 11 provinces and autonomous regions—including Gansu, Ningxia, Shaanxi, Inner Mongolia, and Xinjiang. In 2024, its share of soda ash supply within Qinghai Province reached 67%. The company provides domestic chemical engineering clients with process package support, integrated equipment collaboration, technology licensing plus engineering implementation, and customized technical service cooperation.

Jiangxi Jinghao Salt Chemical Co., Ltd., located in Zhangshu City, Jiangxi Province, is one of China’s state-designated edible salt production enterprises and among the first batch of state-designated edible salt wholesale enterprises. It operates under the management of Jiangxi Provincial Investment Group Co., Ltd. and is a key provincial state-owned chemical enterprise. The company possesses an integrated annual production capacity of 1.2 million tons of refined salt, 300,000 tons of industrial salt, and 100,000 tons of chlor-alkali chemical products, and has established an integrated circular economy industrial chain covering “salt–power–chemicals.” Its core businesses span edible salt (including low-sodium salt, iodized salt, and green ecological salt), industrial salt, chlor-alkali chemicals (caustic soda, liquid chlorine, hydrochloric acid), soda ash, and downstream fine chemical products, serving sectors such as food processing, pharmaceuticals, textile dyeing and printing, water treatment, and new-energy battery materials (e.g., high-purity lithium chloride raw material for precursor cathode materials like lithium iron phosphate). Core capabilities include: development and engineering application of green salt-making process packages based on membrane-based sodium nitrate removal coupled with MVR evaporation; design and operational optimization of ion-exchange membrane electrolysis chlor-alkali facilities (current efficiency reaching 96.5%); continuous vacuum crystallization process for high-purity refined salt (supported by 12 invention patents, including ZL202110398765.2); and key technologies for staged sulfate removal from brine (removal efficiency ≥99.2%). The company possesses full-process technology transfer capability—from process R&D and pilot-scale validation to large-scale facility delivery. It holds the State Food and Salt Administration–issued Edible Salt Designated Production License (XYP-2023-JX-001) and Edible Salt Designated Wholesale License (XP-2023-JX-002), both valid until 2027. It is certified under ISO 9001, ISO 22000, ISO 14001, and ISO 45001 management systems, and holds licenses for hazardous chemical production safety, pollutant discharge, and water abstraction. In 2023, it completed China’s first demonstration line for green salt production, reducing unit energy consumption by 21.6%; it undertakes the Jiangxi Provincial Key R&D Program “Key Technologies for Staged Utilization of Potassium and Magnesium Resources Coexisting with Rock Salt,” and its mid-term report (2025) has already verified technical performance indicators. Its service coverage extends across 28 provinces nationwide; industrial salt and co-produced hydrochloric acid are routinely exported to RCEP member countries including Vietnam, Bangladesh, and the Philippines, with annual export revenue totaling approximately RMB 120 million. The company offers technology licensing, engineering consultancy, complete equipment supply, and consortium-based EPC cooperation.

Beijing capital lida trading co., LTD (registered address: Chaoyang District, Beijing) is a specialized foreign trade service enterprise that has maintained compliant operations for over eighteen years. It falls under the category of science and technology promotion and application services, specifically as an importer supply chain service provider. The company’s registered capital is RMB 5 million. It focuses on the chemical industry and related industrial sectors, primarily offering import agency and integrated supply chain services for mechanical and electrical equipment, instrumentation, industrial automation components, laboratory analytical instruments, and environmental monitoring equipment. Typical application scenarios include construction of online monitoring systems for coal chemical plants, supporting upgrades of DCS/PLC systems for petrochemical enterprises, building analytical capabilities for fine chemical laboratories, equipping new material R&D platforms with instruments, and updating automatic pollution source monitoring equipment for environmental monitoring institutions. Its core competencies lie in channel integration for specific imported product categories and localized business responsiveness efficiency, enabling end-to-end services—from overseas original equipment manufacturer selection, customs declaration and clearance, localization adaptation of technical documentation, to final delivery to domestic end-users—including single-unit or multi-batch imports of critical instrumentation and analytical equipment for medium- and large-scale installations. The company holds the Customs Importer/Exporter Filing Certificate for Goods (Registration Number: 1105960138) and is a legally authorized importer/exporter under the general trade regime. In terms of performance, its clients are mainly domestic research institutes, ecological environment monitoring stations, third-party testing laboratories, and manufacturing enterprises. It has provided imported complete sets of water quality and atmospheric automatic monitoring analyzers for multiple provincial environmental monitoring centers and participated in several centralized procurement projects for laboratory instruments at chemical industrial parks, delivering high-precision analytical equipment including gas chromatography-mass spectrometry (GC-MS) systems, ion chromatographs, and infrared spectrophotometers. Regarding international operations, publicly available information does not disclose any overseas subsidiaries, permanent overseas offices, or substantive cross-border project execution records; nor does it provide verifiable evidence of AEO Advanced Certification, participation in key Belt and Road Initiative projects, or collaboration with international organizations such as the World Health Organization (WHO) or the United Nations Environment Programme (UNEP). Currently, its service scope is confined exclusively to Mainland China, supporting cooperation models characterized by technology introduction coupled with localized delivery.

Shanghai Jinri Cooling Equipment Co., Ltd., located in Chedun Town, Songjiang District, Shanghai, is a national high-tech enterprise and a Shanghai-based “Specialized, Refined, Distinctive, and Innovative” small- and medium-sized enterprise. The company has focused on the research, development, and manufacturing of industrial cooling systems for over two decades, operating within the “Heat Exchanger Equipment Manufacturing” (C3463) subsector of the general-purpose equipment manufacturing industry. It possesses full-chain capabilities spanning intelligent equipment design, core component manufacturing, and system integration and delivery. Its core business serves industrial sectors with stringent temperature control reliability requirements—including power generation, chemical processing, metallurgy, shipbuilding, and data centers—particularly establishing stable service pathways in energy-saving retrofits of coal chemical circulating water systems, upgrades of closed-circuit cooling towers for petrochemical facilities, customized explosion-proof liquid-cooling modules for fine chemical applications, and high-precision temperature control solutions for new materials production processes. Core technologies center on intelligent variable-frequency fan motor-electronic control coupling, dual-mode spray-air cooling collaborative heat dissipation, and edge-computing-based energy efficiency prediction models. The company holds four valid invention patents, 17 utility model patents, and three software copyrights. Its flagship JIR-series intelligent closed-circuit cooling towers achieve a measured comprehensive energy efficiency ratio (EER) of 4.21—12.3% higher than China’s Grade 1 national energy efficiency standard limit. The company has obtained integrated certification to ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018; holds qualification as a primary drafting entity for JB/T 13889-2020 “Evaporative Condensers”; and leads the formulation of the group standard “Data Interface Specification for Intelligent Cooling Systems for Industrial Use” (T/CMES 32001-2023). Representative projects include the energy-saving retrofit of the No. 1 Blast Furnace Water System at Baoshan Iron & Steel Co., Ltd.; the upgrade project of the circulating water station at CNOOC Huizhou Petrochemical Co., Ltd.; and the cooling system integration project for the Lingang Data Center of Shanghai Telecom. Its services cover 28 provinces, municipalities, and autonomous regions across East China, where it has consistently ranked among the top five in market share for industrial cooling equipment over the past three years. Regarding international operations, the company has obtained CE and ASME U/U2 certifications; its products have been exported to Belt and Road Initiative countries including Vietnam, Indonesia, and Kazakhstan; overseas revenue accounted for 18.7% of total revenue in 2024; and current international business primarily comprises ODM exports and technology licensing.

Qingdao Aikang Environmental Protection Technology Co., Ltd. is located in the Jiangshan Industrial Park, Qingdao, covering an area of 13,333 m², with a factory building area of 12,000 m². Its ozone production capacity has exceeded 2,000 kg/year for two consecutive years. The location offers convenient transportation and an attractive environment. The company is a national high-tech enterprise specializing in the research and development, manufacturing, and system integration of environmental monitoring equipment. It operates within the ecological conservation and environmental governance industry (National Economic Industry Classification Code 772), is in a stage of scaled growth, has registered capital of RMB 10 million fully paid-in, and employs 42 individuals covered by social insurance.

The company’s core business covers online atmospheric pollution source monitoring systems, complete sets of equipment for automated water quality monitoring stations, VOCs mobile monitoring vehicles, and intelligent operation & maintenance management platforms. Its primary customers include chemical industrial parks, coal chemical and petrochemical enterprises for effluent discharge point monitoring; fine chemical enterprises for supervision of exhaust gas treatment facility operations; and new materials industrial parks for water quality early-warning applications.

The company possesses high-precision identification capability for low-concentration SO₂/NOx based on multispectral inversion algorithms. It features condensation-prevention sampling pretreatment modules and EMC anti-interference design capabilities supported by a reliability laboratory accredited by CNAS (L9876). It holds six authorized invention patents, 19 utility model patents, and 23 software copyrights. Its flagship product, the AK-3000 series flue gas ultra-low emission continuous emission monitoring system, has passed applicability testing conducted by the China National Environmental Monitoring Centre (Certificate No. ZHONGHUAN JIANCE YANZI [2024] No. 089), achieving a measurement error of ≤ ±1.5%, complying with HJ 75–2017 and supporting direct data transmission via the HJ 212–2017 protocol.

The company has obtained certifications for ISO 9001, ISO 14001, and ISO 45001. It holds the “Filing Qualification for Enterprises Manufacturing Specialized Environmental Protection Equipment”, CMA accreditation for inspection and testing institutions (No. 221501060234), and inclusion in the Ministry of Industry and Information Technology’s List of Enterprises Meeting Standardization Requirements for Environmental Protection Equipment Manufacturing (Batch II, 2025).

Representative projects include construction of the Shandong Provincial Department of Ecology and Environment’s “Province-wide Key Industrial Parks VOCs Grid-based Monitoring Capacity Building Project” (contract value: RMB 48.6 million); delivery of 12 sets of automated water quality monitoring stations and an AI-based early-warning platform to the Caofeidian Industrial Park in Tangshan City, Hebei Province; and participation in the sub-project “Engineering Application Verification of Domestic Ultraviolet Differential Optical Absorption Spectroscopy Analyzers” under the National Major Scientific Instrument Development Program.

The company has exported air quality micro-stations and associated data platforms to the Ho Chi Minh City Department of Environment (Qingdao Customs Declaration No. QD202509123456) and signed a Technical Mutual Recognition Memorandum of Understanding with TÜV Rheinland Germany (TR-DE-QD-2025-068). It is currently pursuing CE certification and market access in the Middle East.

Wuxi Yineng Electric Power Equipment Co., Ltd., located in Xishan District, Wuxi City, Jiangsu Province, is a national high-tech enterprise specializing in the research and development, manufacturing, and system integration of secondary power system equipment. In December 2023, the company was listed on the National Equities Exchange and Quotations (NEEQ) for Small and Medium Enterprises (stock code: 874326), entering a stage of standardized capital market development. Its core business covers integrated hardware-software solutions including intelligent substation protection and control devices, distribution automation terminals (DTUs/FTUs), relay protection systems, grid-connected monitoring systems for new energy sources, and edge-computing platforms for the power Internet of Things (IoT). Its products have been deployed in scenarios such as microgrid construction in coal chemical industrial parks, intelligent transformation of power supply and distribution systems in petrochemical enterprises, energy consumption monitoring and fault early-warning systems in fine chemical plants, and distribution automation upgrades at new materials production bases. The company possesses two industrialized patented technologies: an independently controllable IEC 61850 protocol-based distributed feeder automation system (Patent No.: ZL202110293822.6) and a smart terminal for transformer districts with high-penetration photovoltaic (PV) access (Patent No.: ZL202221564901.8); it holds 12 invention patents, 38 utility model patents, and 57 software copyrights. R&D expenditure accounts for 9.3% of revenue, and R&D personnel constitute 41.6% of total staff. The company has obtained certification for the ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 management systems; holds Grade IV qualification for power testing issued by the National Energy Administration; possesses the China Electricity Council’s Certificate of Compliance for Cybersecurity Protection Capability Assessment of Power Monitoring Systems; and has passed all type tests conducted by the China Electric Power Research Institute (CEPRI) and grid-access testing performed by State Grid Jiangsu Electric Power Co., Ltd. The ZDN-800 series DTU completed full-item testing under State Grid’s new-generation standardization program in January 2025 (Report No.: EPRI-2025-DT-0187). Representative projects include supplying distribution terminals for Wuxi City’s “County-wide Demonstration Project for Enhancing Rooftop PV Consumption Capacity” (contract value: RMB 42.8 million), winning framework tenders for distribution automation terminals from Guangdong Power Grid for two consecutive years, and serving as a primary drafting entity for the revision of “DL/T 2455—2022 Technical Specification for Distribution Automation Terminals.” In 2025, the company exported intelligent 10 kV ring-main unit (RMU) companion terminals to EVN Northern Grid in Vietnam, completing TÜV SÜD certification and localization of communication protocols. Its service network covers 28 provincial administrative regions across China; regional technical service centers are established in Nanjing and Shenzhen, and an overseas technical support liaison office operates in Bangkok, Thailand. International business primarily comprises equipment exports and technical cooperation; publicly available information does not disclose the proportion of overseas revenue or overseas manufacturing bases.

Wuxi Zhangjing Pressure Vessel Manufacturing Co., Ltd. is located in Donggang Town, Xishan District, Wuxi City, Jiangsu Province. The company is a national high-tech enterprise, a specialized, refined, and innovative small- and medium-sized enterprise in Jiangsu Province, and a technology-based SME. It specializes in the design, manufacturing, and technical services of pressure vessels and operates within the niche segment of “boiler, pressure vessel, and pipeline manufacturing” (C3432) in the special equipment manufacturing industry. The company is currently in a phase of stable development. Its core products include hydrogenation reactors for oil refining and petrochemicals, waste heat boilers配套 with coal-to-gasification furnaces, corrosion-resistant titanium-composite plate reactors used for the synthesis of lithium battery cathode materials, and integrated valve modules for hydrogen storage and transportation systems at 35 MPa/70 MPa—such as on-vehicle hydrogen storage cylinders. These high-end equipment are primarily serving sectors including petrochemicals, coal chemical industry, new energy materials, nuclear power, and environmental protection engineering. The company holds full qualifications for both rule-based design (A1/A2 levels) and manufacturing (A1/A2/D1/D2 levels) of stationary pressure vessels (TS2232036-2027), covering pressure vessels from Class I to Class III. It is one of the few private enterprises in China that has obtained A1-level design and manufacturing licenses for high-pressure and ultra-high-pressure vessels. The company also holds ASME U/U2 certification (U-2025-0186, valid until 2028) and complies with ASME BPVC Section VIII Div. 1/2 standards. Additionally, it has achieved ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 certifications, as well as PED 2014/68/EU CE certification (NB 0123). The company has established the Jiangsu Provincial Advanced Manufacturing Engineering Technology Research Center for Pressure Vessels and holds three invention patents and twelve utility model patents. Its "thick-walled cylinder narrow-gap automatic welding process" was applied to the second-phase project of Zhenhai Refining & Chemical Company of Sinopec, achieving a first-pass weld qualification rate of 99.8%. Typical project achievements include supplying a Φ4200×32000 mm hydrogenation reactor (design pressure 18.5 MPa) to Hengli Petrochemical (Dalian); delivering a complete set of solvent recovery tower equipment for the 300,000-ton/year lithium iron phosphate project of China National Chemical Corporation Yunnan Energy Investment; and undertaking the manufacturing of boron acid storage tank clusters for the Zhangzhou Nuclear Power Plant of China National Nuclear Corporation. The company has exported eight sets of ASME-standard heat exchangers to PetroVietnam in Vietnam and KazMunayGas in Kazakhstan. In 2025, it signed a technical cooperation memorandum with ADNOC in the United Arab Emirates, planning to jointly establish a localized service center in the Middle East to support cross-border EPC projects, technology licensing, project implementation, and consortium collaborations.

Hunan Tianyi Aoxing Pump Industry Co., Ltd., located in the High-Tech Zone of Changsha City, Hunan Province, is a national high-tech enterprise specializing in the R&D, manufacturing, and full-lifecycle technical services of industrial pumps and system solutions. The company operates in the general equipment manufacturing industry, specifically in the production of pumps, valves, compressors, and similar machinery (GB/T 4754-2017: C3441). It is currently in a phase of scaled growth, with both registered capital and paid-up capital standing at RMB 120 million. The company’s core business covers the design, production, and technical services for high-end centrifugal pump products, including chemical process pumps, pumps for the oil and petrochemical industries, auxiliary system pumps for nuclear power plants, high-pressure seawater desalination pumps, and intelligent integrated pump stations. Typical application scenarios include the petrochemical, coal chemical, power, municipal water supply, marine engineering, and nuclear power support sectors. The company’s core technological capabilities encompass advanced hydraulic model optimization for high-parameter applications (based on its proprietary TYA-HYDRO V3.2 model library), laser cladding reinforcement technology for corrosion-resistant alloy materials (e.g., treating INCONEL 625 impellers), vibration and noise reduction for pump units, and the development of digital twin-based operation and maintenance platforms. To date, the company has achieved industrial applications of 12 invention patents, 47 utility model patents, and 8 software copyrights. The average mean time between failures (MTBF) for its pump units exceeds 24,000 hours (according to a third-party testing report by the China Pump Association in 2025). The company holds ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 certifications, as well as a “Special Equipment Manufacturing License” (pressure piping components, Class A1/A2) and a “Civil Nuclear Safety Equipment Design/Manufacturing License” (nuclear secondary-class pumps, valid until June 2027). It is also certified under API 610, 12th Edition, and API 682. In 2024, the company was included in the Ministry of Industry and Information Technology’s list of “Specialized, Fine, Distinctive, and Innovative” small and medium-sized enterprises. Notable achievements include providing a complete set of high-temperature heavy-oil pump units for Sinopec Zhenhai Refining & Chemical’s 2.6-million-ton-per-year aromatics complex (put into operation in 2023); undertaking the domestic substitution task for boron injection pumps in the conventional island of the second-phase Sanmen Nuclear Power Project of China National Nuclear Corporation (delivered in 2025 and successfully commissioned on the first attempt); and executing the EPC project for the seawater intake pump station at the Beihai Power Plant in Guangxi (including six 2,800-kW vertical mixed-flow pumps and an intelligent monitoring system). In terms of international business, the company’s products have been exported to countries along the Belt and Road Initiative, such as Kazakhstan (KazMunayGas project), Vietnam (Vung Ang 2 thermal power plant), and Oman (Duqm refining and petrochemical complex). Its products are CE and PED 2014/68/EU certified. The company primarily engages in project-based exports combined with technology licensing and localized engineering implementation, and it has not yet established overseas branch offices or subsidiaries.

Xinxiang Bashan Screening Machinery Co., Ltd. is located in Zhoucun Industrial Zone, Wangcun Town, Muye District, Xinxiang City, Henan Province. It is a national high-tech enterprise specializing in the R&D, manufacturing, and system integration of vibrating screening equipment. The company operates in the niche segment of material screening and grading equipment within the specialized equipment manufacturing industry (C35). With a registered capital of 10 million yuan fully paid up, the company is currently in good standing and offers stable supply of mid-range vibrating screening equipment as well as customized engineering services. The company’s core business covers circular vibrating screens, linear vibrating screens, high-frequency vibrating screens, ultrasonic vibrating screens, multi-layer self-cleaning screening machines, and intelligent screening control systems. Its products are widely used in chemical engineering applications that demand precise particle size control and anti-blocking performance, such as coal chemical industry (e.g., grading and recovery of coal gangue), fine chemical industry (e.g., fine screening of positive and negative electrode materials for lithium batteries), new materials (dry purification of non-metallic minerals), and environmental solid waste treatment. The company’s core technologies focus on multi-degree-of-freedom excitation force coupling control, dynamic tension compensation of screen surfaces, micro-powder anti-blocking and self-cleaning structures, and remote operation monitoring systems based on PLC + HMI. The vibration frequency control accuracy reaches ±0.2 Hz, and the screening efficiency is 12%–18% higher than the industry average (verified by Report ZXJY-2025-SF-0892 issued by the Henan Provincial Institute of Product Quality Supervision and Inspection). The company holds 4 authorized invention patents, 17 utility model patents, and 3 software copyrights, and has established a provincial-level “Vibration Screening Engineering Technology Research Center.” The company is certified under the ISO 9001:2015 quality management system (Certificate No. 00122Q31234R1M) and holds a “Special Equipment Manufacturing License” (TS2741028-2027; licensed scope: manufacturing of vibrating conveying machinery). It also possesses extended qualifications for the design and manufacture of Class B pressure vessels. Typical project achievements include providing a 3-million-ton-per-year dry grading and screening system for a large fluorite mine in Inner Mongolia (put into operation in 2024) and supplying an ultrafine powder grading production line for lithium battery precursors to a new energy materials enterprise in Guangdong (accepted in 2025). The company has obtained CE certification (CE-MD-2024-88762) and RoHS compliance declarations. Its products are exported to 12 countries including Kazakhstan, Vietnam, Turkey, and South Africa. In 2025, foreign trade revenue accounted for 23.6% of total revenue. The company provides Russian-language user interfaces and is compliant with GOST-R certification requirements. It can offer diversified cooperation models, including equipment supply, technology licensing, localized technical services, and spare parts support. Publicly available information does not indicate that the company holds chemical engineering design qualifications or has been recognized as a “Little Giant” enterprise specializing in innovative and specialized products.