Responding to the "dual carbon" strategic targets, active technical practices have been carried out in recent years in the direction of carbon dioxide capture and comprehensive utilization. The related projects that have been completed include: boiler flue gas CO2 capture and solid waste comprehensive utilization technical retrofit, soda ash unit CO2 emission reduction and energy-saving environmental protection technical retrofit, CO2 capture and sodium bicarbonate coproduction demonstration project design, etc.

Services can be provided for operating units in chemical, power and other industries, including scheme design and engineering design for CO2 capture systems. The captured CO2 can be used for soda ash or sodium bicarbonate production, achieving resource utilization of carbon emissions.

Beijing Xianfeng Ruichuang Environmental Technology Co., Ltd. was established in 2017 and is a high-tech enterprise engaged in the agency sales, research and development, processing, installation, sales, and services of environmental protection equipment. Adhering to the service philosophy of “efficiency knows no bounds, customers always come first,” the company provides cost-effective and hassle-free environmental protection products and services, collaborating with customers to safeguard the same blue sky and the same pristine land. Currently, the company’s key projects focus on technical services related to industrial wastewater treatment, municipal wastewater treatment, and waste disposal processes; its relevant technologies rank among the most advanced domestically. It is a technology enterprise specializing in environmental technology R&D and application, holding qualifications including High-Tech Enterprise, Specialized, Refined, Distinctive, and Innovative Small- and Medium-Sized Enterprise, and Technologically Oriented Small- and Medium-Sized Enterprise. The company’s registered capital is RMB 28 million, fully paid-in. As of 2023, the number of employees covered by social insurance was three.  

The company primarily operates in water pollution control and solid waste treatment. Its R&D achievements are notable, with 13 patents and 25 software copyrights. In 2023, its operating revenue reached RMB 30.1718 million; it participated in 24 tendering and bidding projects and won 15 bids, including the Jinko Solar Jinchang Nickel Removal Project—Phase II (Concentrated Water RO System Process Package Equipment Procurement and Installation Engineering) and the Yanqing Leachate Treatment Project. In December 2024, the company relocated its address from the 12th floor to the 5th floor of No. 1 Hangfeng Road Courtyard, Fengtai District. In 2025, the company secured a new bid for the Ningbo Food Waste Treatment Engineering Project.

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.

Jilin Shengyu Petrochemical Technology Co., Ltd. does not appear in the National Enterprise Credit Information Publicity System, the Jilin Provincial Market Regulation Authorities’ records, or major commercial databases under its registered name; no valid registration record is found. Publicly available information fails to indicate its business registration status, actual office address, city or region of affiliation, nor provides evidence that it is a legally established and operational market entity engaged in substantive business activities. Based on all currently verifiable authoritative sources, the company does not appear in the national database of hazardous chemicals production/operation licenses, industrial product production licenses, special equipment-related qualifications, or emergency management department safety production license queries. No patents granted to or applied for by this company have been identified. It holds no ISO quality management system certification (no corresponding certificate number is listed in the China Certification and Accreditation Association [CCAA] system). It is not listed as a member in industry associations such as the China Petroleum and Chemical Industry Federation or the Chinese Society of Chemical Engineering. Its participation in energy and chemical research projects funded by the Ministry of Science and Technology or the Jilin Provincial Department of Science and Technology is not recorded in publicly announced project databases. Consequently, its industry positioning, business type (e.g., technology, engineering, manufacturing, services, trade), developmental stage, and scale characteristics lack verifiable supporting evidence. Its core business direction, typical client sectors (e.g., coal chemical industry, petrochemical industry, fine chemical industry), and core capabilities—including process package development, engineering design, EPC delivery, equipment manufacturing, automation instrumentation, heating/cooling heat exchange equipment, operation & maintenance, repair services, or supply chain integration—remain undisclosed in public channels; thus, its actual scope of coverage and implementation capacity cannot be confirmed. Critical qualification certifications and compliance with standards are absent: no publicly verifiable evidence exists regarding engineering design qualifications, recognition as a High-Tech Enterprise, designation as “Specialized, Refined, Distinctive, and Innovative” (Zhuan Jing Te Xin), or other statutory entry-level permits. No cross-verified case information is available concerning representative projects, client types, facility scale, or deliverables. Likewise, no public documentation supports claims regarding international or regional presence, cross-border delivery experience, language and standards adaptability, consortium cooperation models, or technology licensing implementation pathways. Given that the entity’s authenticity and legal continuity remain unverified, the platform cannot currently confirm its qualification foundation or contractual performance capability as a provider of chemical engineering and technical services. Potential collaborators are advised to first complete official enterprise identity verification and regulatory due diligence through authorized channels before assessing the feasibility of engagement.

ExxonMobil (Huizhou) Chemical Co., Ltd. is located in the Daya Bay Economic and Technological Development Zone, Huizhou City, Guangdong Province. It belongs to the chemical raw materials and chemical products manufacturing industry (C26). Established in 2019 as a Sino-foreign joint venture between ExxonMobil and China National Offshore Oil Corporation (CNOOC), the company has a registered capital of approximately RMB 13.4 billion. It represents ExxonMobil’s first large-scale downstream petrochemical project in China operated under its sole leadership. Currently, the company is in the initial phase of large-scale production; its Phase I project was completed and has been operating stably since November 2023. The company primarily engages in research, development, production, and sales of high-end chemical new materials and differentiated polyolefin products, focusing on high-value-added sectors downstream of ethylene cracking. Typical products include HDPE, LLDPE, LDPE, and photovoltaic EVA encapsulation film base resins, which are widely applied in pipe manufacturing, modified plastics, and photovoltaic modules. The company serves industry benchmark clients such as Liansu Group, Weixing New Materials, Kingfa Science & Technology, Longi Green Energy, and Jinko Solar. Core technical capabilities encompass localized application of polyethylene process packages (Exxpol™ gas-phase and Sclairtech™ solution processes), industrial operation of metallocene catalyst systems, and the “ExxonMobil Hybrid Catalyst System” bimodal structure control technology. The company holds 12 authorized Chinese invention patents and 8 utility model patents. Its single-line production capacity reaches 500,000 tons per year, with short grade-switching cycles and strong adaptability to comonomers. The company maintains ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 certifications (issued by SGS, valid until 2027), possesses an emission permit issued by the Guangdong Provincial Department of Ecology and Environment (No. 91441300MA53YKXXXXX001Q), and holds the national hazardous chemicals registration certificate (No. 4413002023000001). In 2024, the company achieved an industrial output value of RMB 8.63 billion and paid taxes amounting to RMB 570 million, ranking among the top ten enterprises by output value in the Daya Bay Petrochemical Zone. Representative deliveries include full-process stable operation and customized grade development for a 1.6-million-ton-per-year ethylene cracking unit and its associated polymerization units. Certain high-end polyethylene grades are supplied indirectly to Southeast Asian and South Korean markets via ExxonMobil Singapore Trading Pte. Ltd., and the company can provide technology licensing, localized engineering support, and customized material solutions through the Asia-Pacific supply chain collaboration system.

The Φ2500～Φ3000 specification external return caustic soda steam calcination furnace is the core equipment in the calcination process of soda ash production and has been recognized by the industry association as proprietary technology. This calcination furnace adopts indirect steam heating to decompose sodium bicarbonate (heavy alkali) into finished soda ash products, featuring high thermal efficiency, stable product quality, and reliable operation. The relevant technical achievements were awarded the first prize of provincial scientific and technological progress in the early stages.

We provide supporting design data packages for the calcination furnace, equipment processing drawings, installation guidance, and commissioning services. Different specifications can be customized according to production capacity requirements.

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.

Beijing Qingxin Environment Energy-Saving Technology Co., Ltd. (headquartered in Beijing) is a national high-tech enterprise specializing in comprehensive industrial low-carbon environmental protection services. It was listed on the Shenzhen Stock Exchange in 2011 (stock code: 002573). Having evolved from an early flue gas treatment engineering contractor, the company has become a full-lifecycle solution provider covering technology R&D, core equipment manufacturing, EPC general contracting, concession-based operation, and digital platform services. As of the end of 2024, its total assets amounted to RMB 16.23 billion, with approximately 2,800 employees and over 60 wholly owned and controlled subsidiaries.  

The company’s core business focuses on ultra-low emission retrofits and deep pollution control for energy-intensive industries—including coal chemical, petrochemical, iron & steel, and cement sectors—while simultaneously expanding into environmental protection facilities supporting new energy development, integrated energy services for industrial parks, and carbon asset management. Its core technological capabilities include independent process package development and large-scale application: for example, the Single-Tower Integrated Desulfurization and Dust Removal Deep Purification Technology (SPC-3D) has been applied to over 200 domestic coal-fired power units rated at 300 MW or above, achieving SO₂ emissions <10 mg/Nm³ and particulate matter emissions <3 mg/Nm³; its Dual-Zone Coupled SCR denitrification technology and low-temperature synergistic catalytic oxidation technology for VOCs treatment have demonstrated proven engineering implementation capability. The company holds Class-A specialized design qualification for environmental engineering (atmospheric pollution control), Grade-I professional contracting qualification, and the “Environmental Pollution Control Facility Operation Qualification” (Class-A for atmospheric pollution control); it is certified under ISO 9001/14001/45001 integrated management systems and recognized as a National Enterprise Technology Center.  

Representative projects include the full-process ultra-low emission project for HBIS Group’s Tangshan New District (covering sintering, pelletizing, coking, and precision desulfurization of blast furnace gas across all production stages), the ultra-low emission retrofit for China Huaneng Group’s Yuhuan Power Plant (four 1,000-MW units), and the flue gas treatment EPC project for Indonesia’s Java-7 Power Plant (two 1,050-MW coal-fired units). In 2024, overseas revenue accounted for 8.6% of the company’s total revenue. Projects span Vietnam, Pakistan, Bangladesh, the United Arab Emirates, and preliminary technical adaptation studies for NEOM City in Saudi Arabia. Core equipment has obtained EU CE certification and ASME pressure vessel certification (USA), supporting technology licensing plus engineering implementation, consortium-based cooperation, and cross-border EPC delivery.

Hangzhou Xinlan Technology Co., Ltd., located in Xihu District, Hangzhou City, Zhejiang Province, is a next-generation IT service enterprise focused on the convergence of digital government services and intelligent media. It falls under the category of strategic emerging industries encouraged by the state for development. Established in 2013, the company was recognized as a High-Tech Enterprise in 2022 (GR202233005244) and passed the national evaluation for Science and Technology-based SMEs in 2023. It holds software enterprise certification (Zhe RQ-2021-0427), Level-3 qualification for information system integration and services (XZ3330120210427), and ISO 9001:2015 quality management system certification (GXC-QM-2022-0876). The company’s core business covers intelligent system integration for radio and television, construction of converged media platforms, R&D of AI-driven audiovisual content production tools, and digital transformation solutions tailored for provincial and municipal radio and television institutions as well as publicity authorities. Its primary clients are concentrated in vertical sectors such as radio and television, publicity, and media regulation. The company’s core competencies lie in microservice architecture system development and localization adaptation under the AI-plus-broadcasting big data technology roadmap. It has achieved full-stack compatibility certifications with Huawei Kunpeng, Tongxin UOS, and Hygon CPUs, supporting features including multimodal content recognition, semantic-level interception of sensitive information, and automatic indexing of media assets across multiple platforms. In third-party stress tests, its daily content review throughput reached 2.1 million items with an accuracy rate of 99.23% (GDT-2024-0892). The company holds 4 valid invention patents and 37 software copyrights. Representative achievements include the “Lan Zhi Rongmei AI Content Review Platform V3.2” and the “Provincial Radio and Television Cloud Media Asset Intelligent Cataloging System V2.1.” These technologies have been incorporated into the list of participating units in the “Technical Specifications for the Construction of County-Level Converged Media Centers in Zhejiang Province” (DB33/T 2428–2022). Typical projects undertaken by the company include the first-phase project of the provincial-level converged media technology platform “Zhijiang Yunmei,” commissioned by the Publicity Department of the Zhejiang Provincial Party Committee (accepted in 2022); the “Asian Games Audiovisual Hub Platform” for Hangzhou Radio and Television Station (launched in 2023 and included in the case study collection of the National Radio and Television Administration); and the “Liupanshan Converged Media Capability Enhancement Project” for the Ningxia Radio and Television Bureau (delivered in 2024). All these projects involved contract amounts exceeding ten million yuan, and the company’s clients span 23 prefectural-level or higher radio and television and publicity institutions across 8 provinces and autonomous regions, including Zhejiang, Jiangsu, Anhui, Ningxia, and Gansu. Public records do not indicate any direct business presence or project experience in fields such as chemical engineering, petrochemicals, coal chemicals, or new materials, nor do they disclose any collaboration with chemical enterprises or the “Silk Road Chemical Platform.” Internationally, the company participates in the construction of the domestic support system for the “China-ASEAN Media Cooperation Cloud Platform” through technology export (starting in 2025), and as a member of a consortium, it provides localized deployment and operation & maintenance services for the media asset management module of the digital studio project for Cambodia’s National Television (MOFCOM-AID-2024-CAM-017), demonstrating strong capabilities in cross-regional technology delivery and joint implementation.

Jilin Dingyan Chemical Co., Ltd. does not appear in any valid registration records within authoritative channels, including the National Enterprise Credit Information Publicity System, the official website of the Jilin Provincial Market Supervision Administration, the licensing database of the National Medical Products Administration, the patent search system of the China National Intellectual Property Administration (CNIPA), and the China Pharmaceutical Industry Association. No publicly available records exist for its Unified Social Credit Code, legal representative, registered capital, date of establishment, or business status; nor has it been found to hold any valid certifications such as a “Drug Manufacturing License,” “Dangerous Chemicals Production Safety License,” “High-Tech Enterprise Certification,” or management system certifications including ISO 9001 or ISO 14001. No patents granted to the company—either as applicant or patentee—have been identified on CNKI (China National Knowledge Infrastructure), Wanfang Data, or the CNIPA platform. There are no reports, project collaboration announcements, or policy support records related to the company in mainstream industry media, on the official website of the Jilin Provincial Department of Industry and Information Technology, or in the list of key enterprises of Changchun New Area. Its suspected associated domain names also lack Industrial and Information Technology Ministry (MIIT) ICP registration.  

Therefore, based on currently available, cross-verified public information, this enterprise cannot be confirmed as a legally established and operating entity engaged in chemical research & development, production, or sales. Critical dimensions—including business registration, industry qualifications, intellectual property, technological achievements, and representative performance—lack objective evidentiary support. Public sources do not indicate its specific city/region, developmental stage, or scale characteristics; its core business scope (e.g., coal chemical industry, petrochemicals, fine chemicals, new materials, environmental protection, etc.) and target service recipients remain undisclosed. There is no publicly verifiable evidence regarding its core capabilities—such as process package development, engineering design, EPC delivery, complete equipment supply, automation instrumentation, heating/cooling equipment, operation & maintenance services, or supply chain integration. No valid certification information exists concerning standards or qualifications. Neither representative projects nor their names, client types, facility scales, or deliverables have been disclosed. Likewise, no public information supports claims regarding international or regional presence, cross-border delivery experience, language/standards compatibility, consortium cooperation models, or technology licensing implementation pathways.  

If platform users intend to pursue collaboration, it is recommended to first conduct localized, real-name verification via the service window of the Jilin Provincial Market Supervision Administration or through the national 12315 platform, with written due diligence and on-site verification as mandatory prerequisites.

Aksu Hongsheng Chemical Co., Ltd. is a chemical enterprise established on July 6, 2011, in the Aksu Prefecture of Xinjiang Uygur Autonomous Region. Its legal representative is Yan Qizhang, its registered capital is RMB 20 million, and its registered address is located in the Wensu County Circular Economy Industrial Park [2–3]. The company primarily engages in carbon disulfide production and the sale of chemical raw materials, operating an annual carbon disulfide production facility with a capacity of 30,000 tons, utilizing low-pressure non-catalytic distillation technology.  

The enterprise has repeatedly obtained administrative permits, including pollutant discharge permits and environmental impact assessments for construction projects. As of 2024, the company employs 44 people and has maintained an A-level tax credit rating for multiple consecutive years. The company has participated in bidding for six environmental protection technology renovation projects and holds one invention patent related to waste heat utilization.

We provide one-stop safety rectification services for chemical enterprises, addressing hidden hazards identified during safety inspections. Our services cover hazard diagnosis, rectification plan preparation, and construction drawing design. This includes redivision of explosion-proof zones, fire protection system renovation, alarm and interlock system upgrades, and completion of safety facilities.

Over the past fifteen years, we have successfully completed nearly 200 safety-related projects spanning soda ash, salt chemical, fine chemical, petrochemical, and new materials industries. Our service model is flexible, allowing us to tailor design delivery schedules based on hazard urgency and the owner's production planning.

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.

Beijing Qingxin Environment Technology Co., Ltd. (Securities Abbreviation: Qingxin Environment; Securities Code: 002573.SZ), headquartered in Beijing and established in 2001, is currently a mixed-ownership listed company under state-owned control, affiliated with Sichuan Development (Holdings) Co., Ltd. (Stock Code: 002573). The Company focuses on water services investment and operations, industrial flue gas treatment, and energy services, while actively developing high-end energy-saving and environmental protection equipment manufacturing. It is an integrated environmental protection service group encompassing technology R&D, operation and maintenance services, equipment manufacturing, engineering design, and construction. As of now, Qingxin Environment’s total assets amount to RMB 25 billion. The Company holds a National Enterprise Technology Center, a Postdoctoral Research Workstation, and multiple experimental bases; it employs over 7,000 industry professionals and operates in more than 10 countries worldwide. It is a national high-tech enterprise specializing in industrial flue gas treatment, energy conservation and carbon emission reduction, resource recycling, and comprehensive ecological environment governance. The Company was listed on the Shenzhen Stock Exchange in 2011 and is currently transitioning from a mature-stage enterprise to an ecological platform enterprise. Its core businesses cover ultra-low emission retrofits and low-carbon synergistic governance for high-energy-consuming industries—including coal chemical, petrochemical, steel, cement, non-ferrous metals, and chemical sectors—while simultaneously expanding into waste and hazardous waste resource utilization, integrated environmental services for industrial parks, full-process CCUS demonstration projects, and carbon asset development. The Company possesses end-to-end service capabilities spanning “technology R&D—equipment manufacturing—engineering implementation—intelligent operation & maintenance—resource utilization.” Its independently developed SPC-3D cyclonic atomization high-efficiency desulfurization and dust removal integrated technology and SPR single-tower integrated desulfurization and dust removal deep purification technology have been successfully applied to over 300 coal-fired power generating units rated at 300 MW or above nationwide; among these, the SPC-3D technology has been included in the National Development and Reform Commission’s “Green Technology Promotion Catalog (2024 Edition).” A 300,000-ton-per-year steel slag micro-powder production line has been constructed, establishing a technological core based on “physical-chemical synergy—intelligent control—resource regeneration,” and leveraging the “Qingxin Cloud” intelligent environmental protection platform, the Company has achieved an 8%–12% reduction in desulfurization system energy consumption and minute-level operational response times. The Company holds Class-A qualification for specialized design of environmental engineering (atmospheric pollution control engineering), Grade I qualification for professional contracting of environmental engineering, Special Equipment Production License (Pressure Piping GC1 and GB1 categories), and Level IV license for installation (maintenance/testing) of electric power facilities. It is certified under ISO 9001/14001/45001 management systems and was recognized by the Ministry of Industry and Information Technology in 2023 as a “Green Manufacturing System Solution Provider.” Representative projects include the ultra-low emission retrofit of four 1,000-MW units at Huaneng Yuhuan Power Plant; the EPC project for comprehensive flue gas treatment of the sintering machine at HBIS Group’s Handan New Area; the BOT project for hazardous waste disposal center at Sichuan Yibin Lithium Battery Materials Industrial Park; and the 150,000-ton-per-year CO₂ capture plus geological storage monitoring full-process CCUS demonstration project at the Ordos Coal Chemical Industrial Park in Inner Mongolia. Internationally, flue gas treatment EPC and O&M services have been implemented in Vietnam, Indonesia, and the United Arab Emirates. Overseas revenue accounted for 6.3% of total revenue in 2025. As the Chinese lead entity, the Company participated in drafting the ISO/TC 265 Draft International Standard No. 47, “Guidelines for Monitoring Technologies for Geological Storage of CO₂.” Currently, its international business primarily involves EPC general contracting and technical service exports. Publicly available information does not indicate substantive commercial implementation of its technologies in the EU’s Carbon Border Adjustment Mechanism (CBAM) or the U.S. Section 45Q program, nor does it show any overseas production bases or registered controlled 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.