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Xinjiang Zhizhen Chemical Engineering Research Center Co., Ltd. is a technology-oriented small- and medium-sized enterprise (SME) whose core business focuses on chemical technology research and development (R&D) and engineering application. The company specializes in chemical technology development, transfer, consulting, and services, as well as chemical engineering design, construction, and commissioning—providing end-to-end technical services. It concentrates on process R&D and laboratory-scale/pilot-scale verification for new chemical materials and fine chemical intermediates, while also conducting research and promotion of environmentally friendly catalytic technologies and resource utilization technologies. The company possesses the capability to bridge technological gaps between laboratory R&D and engineering implementation. Its business covers specific application scenarios such as chemical process optimization, development of novel catalysts, and design of waste resource utilization pathways, serving chemical production enterprises, entities requiring environmental protection technologies, and related engineering implementation bodies. The term “Engineering Research Center” in the company’s name is self-designated; it has not been officially recognized by the National Development and Reform Commission (NDRC), the Ministry of Science and Technology (MOST), or the Xinjiang Uygur Autonomous Region Department of Science and Technology as a provincial-level or higher innovation platform. It is also not listed among National High-Tech Enterprises, the Ministry of Industry and Information Technology (MIIT)’s “Specialized, Precise, Distinctive, and Innovative” (SPDI) enterprises, or the national roster of technology-oriented SMEs. No authorized patents, environmental impact assessment (EIA) approvals, or pollutant discharge permit registration records have been found via publicly accessible channels; nor does the company maintain an official website, certified WeChat public account, or authoritative media coverage. Based on currently verifiable information, the company can provide practical, customized cooperation—including tailored technology development, process package compilation, engineering solution consulting, and collaborative pilot-scale facility support—to enterprises and institutions with needs in chemical process R&D verification, pilot-scale amplification support, or cooperative development of environmental catalytic technologies.

Xinjiang Yutai Sanxin Environmental Protection Technology Co., Ltd. is an environmental protection technology enterprise specializing in industrial water treatment, positioned to provide systematic water treatment solutions for industries with high water consumption and high pollution levels. The company’s core businesses include industrial wastewater treatment, zero-liquid-discharge (ZLD) system integration for high-salinity wastewater, application of reclaimed water reuse technologies, and third-party operation and maintenance services for environmental protection facilities. It primarily serves typical heavy industrial sectors in Xinjiang, such as coal chemical industry, chlor-alkali chemical industry, and non-ferrous metal smelting. Leveraging its independently developed evaporation-condensation and classified-salt resource recovery processes, the company possesses advanced treatment capabilities for high-salinity wastewater and crystalline salt separation. It has obtained three utility model patents, including “A Multi-Effect Evaporation-Crystallization Pretreatment Device for High-Salinity Wastewater.” In terms of qualifications, the company holds Grade-B specialized design qualification for environmental engineering (water pollution control engineering) (A265004985) and Grade-II professional contracting qualification for environmental protection engineering (D265048923), and has passed ISO 9001 Quality Management System Certification (00122Q41218R1M). Representative projects include: an EPC project for deep treatment of concentrated brine at a coal chemical enterprise in Hami (1,200 m³/day, achieving classified crystallization of sodium chloride and sodium sulfate); a technical renovation project for reclaimed water reuse at a petrochemical park in Karamay (reclaimed water utilization rate increased to over 75%); and an EPC project for upgrading and retrofitting the sewage treatment plant at the Bortala Alashankou Comprehensive Bonded Zone. Its business coverage is concentrated within Xinjiang Province. Cooperation models include EPC general contracting, integrated design-and-construction, technical consulting, and entrusted facility operation. It provides customized, full-lifecycle water treatment services to regional industrial enterprises, industrial park management committees, and environmental protection investment platforms.

Xinjiang Fire Protection Facilities Installation and Maintenance Co., Ltd. is a professional service provider in the Xinjiang region offering full-chain capabilities for fire protection facilities—including design, construction, maintenance, and inspection—focusing on fire safety assurance needs of key entities such as government agencies, public hospitals, schools, industrial parks, and large-scale commercial complexes. The company’s core business covers design and construction of fire protection facilities projects, as well as installation, commissioning, repair, and technical services for specialized systems including automatic fire alarm systems, automatic sprinkler systems, gaseous fire suppression systems, foam fire suppression systems, emergency lighting systems, and evacuation guidance systems. Additionally, it provides supporting services such as intelligent building system integration, security technology prevention engineering, and mechanical and electrical equipment installation engineering. Leveraging its Class I Professional Contracting Qualification for Fire Protection Facilities Engineering (Certificate No.: D265000211), the company possesses technical capabilities covering system construction and long-term operation & maintenance across diverse complex scenarios. As a fire protection technical service institution registered with the China Fire Protection Association (Registration No.: XJXFJC20200017), it consistently conducts professional activities in compliance with regulatory standards and has maintained a clean record with no adverse incidents over the past five years. Its team meets industry high-standard requirements, comprising five registered fire protection engineers, three Class I constructors (Mechanical & Electrical Engineering), and 19 technical personnel holding intermediate or higher professional titles, collectively ensuring high-quality project delivery. Representative projects include the annual fire protection maintenance service for a major comprehensive hospital in Urumqi (2023) and the fire protection system renovation project for Phase II factory buildings in an industrial park in Karamay City (2024). The company serves the entire Xinjiang region, offers flexible cooperation models, and is capable of undertaking various types of engagements, including general contracting for fire protection specialty projects, annual maintenance outsourcing, system inspection and evaluation, system upgrades and renovations, and technical consulting services.

Xinjiang Hengshuo Energy Technology Co., Ltd. is a professional service provider specializing in the new energy sector, headquartered in Xinjiang and serving western China. The company is dedicated to delivering full-lifecycle solutions for distributed photovoltaic (PV) power plants to industrial, commercial, and rural users. Its core business encompasses the design, development, construction, and intelligent operation & maintenance of distributed PV projects, with a focus on promoting integrated energy systems combining “photovoltaics + energy storage,” as well as offering Energy Management Contracting (EMC), energy-saving technology consulting, and retrofitting services. Leveraging its Class-B professional design qualification for the electric power industry (new energy power generation) and Grade-III professional contracting qualification for building mechanical and electrical installation engineering, the company possesses end-to-end implementation capabilities—from scheme planning and system integration to grid connection and delivery. It has obtained ISO 9001 Quality Management System Certification, ensuring professionalism and stability in project execution. As of 2025, the company has successfully commissioned seven distributed PV projects in locations including Huocheng County, Ili Kazakh Autonomous Prefecture; Manas County, Changji Hui Autonomous Prefecture; and Wensu County, Aksu Prefecture, with a total installed capacity of approximately 23.6 MW. Among these, the 2.8-MW rooftop PV project at the Wensu County Agricultural Products Processing Park—completed and put into operation in 2024—was cited by the Xinjiang Daily as a clean energy demonstration case. Additionally, three projects have been included in the Xinjiang Development and Reform Commission’s Q4 2024 New Energy Grid-Connection List, all adopting the “self-generation for self-use, surplus electricity fed to the grid” model. All projects are located within the Xinjiang Uygur Autonomous Region, emphasizing localized application scenarios and sustainable energy substitution. The company provides customized cooperation solutions for clients—including industrial parks, agricultural processing enterprises, and public institutions—that possess rooftop resources, stable electricity load profiles, and requirements for energy conservation and carbon emission reduction. It supports multiple collaboration models, including EPC turnkey contracting, EMC, and operation & maintenance outsourcing.

Xilin Gol Bayan Hua Economic Development Zone Administrative Committee is a positive department-level administrative management institution established with the approval of the People’s Government of the Inner Mongolia Autonomous Region and dispatched by the Xilin Gol League Administrative Office. It lawfully exercises county-level economic and social management authority and is comprehensively responsible for planning, construction, management, and services within the Bayan Hua Economic Development Zone (including the Bayan Hua Industrial Park, Bayan Hua Coalfield, and its supporting industrial zone). Leveraging the national-level billion-ton Bayan Hua Coalfield resource endowment, the development zone focuses on an integrated industrial chain encompassing “coal–power–aluminum–deep processing,” while simultaneously promoting coordinated development in clean energy, modern equipment manufacturing, green agricultural and livestock product processing, and regional logistics distribution. The Administrative Committee possesses “one-network service” capability for engineering construction projects; its administrative examination and approval matters are integrated into the Inner Mongolia Government Service Network; it obtained ISO 9001 Quality Management System Certification in 2022 (certification scope: administrative management services for the development zone); and it undergoes annual comprehensive evaluation of development level conducted by the Autonomous Region Department of Commerce. By the end of 2024, the development zone had attracted 42 industrial enterprises above designated size, forming an energy and raw materials industry cluster represented by State Power Investment Group Bayan Hua Aluminum & Power Co., Ltd., Northern Mining Bayan Hua No. 2 Open-pit Mine, and Bayan Hua Mengdong Cement Co., Ltd. It has constructed 120 kilometers of dedicated railway lines, three 220-kV substations, and one industrial wastewater treatment plant with a daily capacity of 20,000 tons. In 2023, the zone achieved an industrial output value of RMB 28.6 billion, accounting for 73.5% of the total industrial output value of Xi Wuzhumuqin Banner. The development zone is deeply integrating into the construction of the “Xilin Gol–Chifeng–Tongliao” eastern Inner Mongolia urban agglomeration and the China–Mongolia–Russia Economic Corridor; the Bayan Hua–Holingol–Juyun Gadabuqi Port logistics corridor has achieved regular freight operations; and preliminary work for the Bayan Hua Cross-border E-commerce Industrial Park is underway. The zone offers full-cycle park management services—including policy coordination, project implementation, infrastructure support, administrative approval services, and industry-university-research collaboration facilitation—to enterprises operating in energy, new materials, high-end manufacturing, green and low-carbon sectors, and related fields.

Wuhan Zhihong Sibo Environmental Protection Technology Co., Ltd. is a high-tech enterprise specializing in environmental monitoring and intelligent environmental protection solutions. Positioned within the ecological conservation and environmental governance industry, the company focuses on online monitoring of atmospheric pollution sources, VOCs (volatile organic compounds) control projects, and intelligent environmental protection supervision services. Its core business encompasses system integration for online monitoring of atmospheric pollution sources, design and implementation of VOCs control engineering, development of environmental big data platforms, and intelligent environmental protection supervision services. Its technological applications cover typical scenarios such as flue gas monitoring at stationary pollution sources, mobile VOCs monitoring capability construction in industrial parks, and odor source tracing and monitoring. Leveraging five utility model patents (e.g., clog-resistant sampling probes), seven software copyrights (including “Zhihong Sibo Environmental Data Platform V1.0”), rapid low-concentration VOCs detection algorithms, and embedded deployment of edge computing terminals, the company possesses end-to-end technical capabilities spanning hardware adaptation, algorithm optimization, and platform delivery. The company holds the “Qualification Certificate for Operation of Environmental Pollution Control Facilities” (for exhaust gas treatment, valid until February 2026), has passed ISO 9001:2015 Quality Management System and ISO 14001:2015 Environmental Management System certifications, and has been recognized as a National High-Tech Enterprise (Certificate No. GR202142003278) and registered for three consecutive years as a Science and Technology-based Small and Medium-sized Enterprise. It has successfully implemented the Hubei Provincial Department of Ecology and Environment’s key industrial park VOCs mobile monitoring supporting equipment supply project (awarded in 2022) and delivered customized exhaust gas treatment EPC services to chemical and surface treatment enterprises in Huangshi and Yichang. The odor source tracing and monitoring platform for the Xiangyang Automotive Parts Industrial Park (commissioned in 2023), constructed by the company, features multi-point networked monitoring, AI-based anomaly identification, and alert notification functions. Its business operations center on the Central China region with Hubei Province as the hub, serving government ecological environment regulatory authorities, industrial parks, and industrial enterprises through diversified cooperation models, including monitoring system integration, treatment engineering EPC, data platform development, and intelligent supervision services.

Tongxing Environmental Protection Technology Co., Ltd. (Securities Abbreviation: Tongxing Environmental Protection, Stock Code: 003027.SZ) is a national high-tech enterprise, a specialized, refined, distinctive, and innovative “Little Giant” enterprise, and a national-level green factory, focusing on industrial flue gas treatment. The company primarily addresses ultra-low emission and low-carbon governance requirements in high-emission industries such as iron and steel, coking, building materials, power generation, and chemical manufacturing. Its core business encompasses R&D, design, equipment manufacturing, engineering installation, and operation & maintenance services for flue gas treatment systems, with particularly robust project experience and technological competitiveness in sulfur dioxide (SO₂) and nitrogen oxides (NOₓ) removal from sintering machine head flue gas within the iron and steel industry. Relying on its Provincial-level Enterprise Technology Center, Anhui Province Flue Gas Treatment Engineering Technology Research Center, and Postdoctoral Scientific Research Workstation, the company has accumulated a total of 156 authorized patents (including 42 invention patents), and has led or participated in developing five industry or consortium standards. Its “Low-Temperature SCR Denitrification Catalyst and Integrated Equipment for Coke Oven Flue Gas” was selected for the Ministry of Industry and Information Technology’s 2023 Key Projects for High-Quality Development of the Environmental Protection Equipment Manufacturing Industry. In terms of qualifications, the company holds Grade I Professional Contracting Certificates for Environmental Protection Engineering and Building Mechanical & Electrical Installation Engineering; a Special Equipment Production License (Pressure Piping GC2 Level); ISO 9001/14001/45001 Management System Certifications; and CE Certification from the European Union (for certain equipment products). Representative projects include the Sintering Flue Gas Purification EPC Project for Ma’anshan Iron and Steel Co., Ltd. (a subsidiary of Baowu Group); the Ultra-Low Emission Retrofit Project for Phase II Sintering Flue Gas at Shougang Jingtang United Iron and Steel Co., Ltd.; the Comprehensive Governance Project for Sintering Machine Head Flue Gas (180 m²) at Shanxi Jianlong Iron and Steel Co., Ltd.; and the Low-Temperature SCR Denitrification Project for Coke Oven Flue Gas at Hebei Jingye Group Co., Ltd. Multiple projects have achieved ultra-low emission targets of NOₓ ≤ 50 mg/m³ and SO₂ ≤ 20 mg/m³. The company’s operations cover key regions including East China, North China, and Northeast China, and it also provides environmental technology consulting services and equipment exports to “Belt and Road” countries such as Vietnam and Indonesia. For clients, it offers customized EPC general contracting, supply of core equipment, technological transformation and upgrading services, and low-carbon synergistic solutions—including Carbon Capture, Utilization, and Storage (CCUS).

Tianjin Yanjin Construction Engineering Technology Co., Ltd. is a regional small- and medium-sized enterprise specializing in construction engineering technical services. Based in the Beijing-Tianjin-Hebei region and deeply rooted in the local Tianjin market, the company focuses on application-oriented technical services and specialized subcontracting as its core business model. Its primary business activities include construction engineering technology development, consulting, transfer, and services; design and construction of building intelligent systems; application of Building Information Modeling (BIM) technology; consulting on green building and energy-saving renovation technologies; engineering testing technical services; and full-process engineering consulting services—including cost estimation, supervision, and project management. Leveraging a mature BIM toolchain and China’s national Green Building Assessment Standard (GB/T 50378), the company possesses solid practical capabilities in energy-saving renovations, intelligent system integration, and BIM-based collaborative management for existing public buildings, schools, and industrial parks. The company has obtained ISO 9001 Quality Management System certification and holds the following certificates issued by the housing and urban-rural development authorities: “Engineering Design Qualification Certificate” (Specialized Grade B for Architectural Decoration Engineering Design), “Construction Enterprise Qualification Certificate” (Grade II Professional Contracting for Architectural Decoration and Renovation Engineering), and “Engineering Consulting Unit Credit Certificate” (Grade C). Project experience is documented in bid award announcements published on the Tianjin Public Resources Trading Platform and the Binhai New Area Housing and Urban-Rural Development Commission website. Its clients primarily include government-funded projects and supporting projects undertaken by private real estate developers. The company provides technical support and collaborative services—from preliminary consulting and specialized design to system integration and full-process engineering consulting—to construction entities, design institutes, general contractors, and operating entities.

Suizhou Huasheng Industrial Development Co., Ltd. is a municipal state-owned platform enterprise under the supervision of the State-owned Assets Supervision and Administration Commission of the Suizhou Municipal People’s Government. It is positioned as the professional operation entity for key industrial parks at the Suizhou municipal level, providing in-depth support to the clustered development strategy for leading industries—including special-purpose vehicles and components, intelligent equipment, and biopharmaceuticals—during the 14th Five-Year Plan period. The company’s core businesses encompass industrial park development, construction and operational management; infrastructure investment and construction; state-owned asset operation and management; property management; commercial property leasing; investment promotion services; incubation services for technology enterprises; investment and development of new-energy projects; and supply chain management services. Leveraging its functions in land consolidation, standardized factory building construction, improvement of supporting infrastructure, and full-lifecycle services for入园 enterprises within the East Zone of the Suizhou High-tech Industrial Development Zone (including the expansion zone of the Suizhou Special-Purpose Vehicle Industrial Park), the company has completed and put into operation approximately 280,000 square meters of standardized factory buildings and attracted 17 enterprises specializing in special-purpose vehicles and components or emergency equipment, six of which are high-tech enterprises. As the implementing unit, it participated in drafting the provincial standard “Construction and Service Specifications for Special-Purpose Vehicle Industrial Parks in Hubei Province” (DB42/T 2087–2023). The company holds Grade II qualification for real estate development (Certificate No.: E Fang Kai Zheng Zi [2022] 097) and ISO 9001 Quality Management System Certification (Certificate No.: 01222Q31234R0M). Its flagship project—the Phase I of the “Suizhou Intelligent Manufacturing Park for Emergency Equipment”—has been included in the list of key provincial projects for 2024 (Document No.: E Fa Gai Shen Pi [2023] 398). The company offers multi-dimensional cooperation models—including entrusted construction of parks for local governments, operation of industrial facilities, enterprise incubation and cultivation, coordinated investment promotion and project implementation, infrastructure investment and financing, and customized industrial services—to local governments, upstream and downstream enterprises along industrial chains, and specialized service providers.

Shanghai Zhuoran Engineering Technology Co., Ltd. (688125.SH) is a high-tech enterprise specializing in the research and development, design, manufacturing, and engineering services of petrochemical equipment. Positioned as a provider of high-end process equipment system solutions, the company has long focused on core equipment sectors within energy and chemical industries, including refining, ethylene production, aromatic hydrocarbons, and coal chemical processing. Its core businesses encompass the design and manufacturing of critical static equipment—including ethylene cracking furnaces, refinery heating furnaces, large-scale towers, reactors, and heat exchange equipment—and extend to modular skid-mounted systems, intelligent factory integration, and EPC (Engineering, Procurement, and Construction) general contracting services. Leveraging platforms such as the National Enterprise Technology Center and the Shanghai Engineering Technology Research Center for High-Temperature and High-Pressure Special Equipment, the company has secured a total of 247 authorized patents (including 72 invention patents) and has led or participated in formulating 18 standards—including national standards, industry standards, and group standards. Its core technologies focus on high-selectivity cracking, low-emission combustion control, high-temperature-resistant and coke-resistant furnace tube materials, and modular intelligent construction. Its independently developed ZRP-series cracking furnaces achieve a Cracking Outlet Temperature (COT) fluctuation of ≤ ±3°C and an operational cycle exceeding 90 days. In terms of qualifications, the company holds A1/A2-level pressure vessel design and manufacturing licenses, ASME U/U2/S stamps, PED certification, and ISO 9001/14001/45001 management system certifications; it also possesses Class-B design qualification for petrochemical and chemical engineering projects and a special equipment production license. Representative projects include those for Sinopec, CNPC, China Chem, Hengli Petrochemical, Zhejiang Petrochemical, Shenghong Refining & Chemical, and Yulong Island Refining & Chemical Integration, among other leading domestic projects. The company has also exported core components and technical documentation packages to “Belt and Road” countries including Russia, Saudi Arabia, the United Arab Emirates, and Indonesia; overseas revenue accounted for approximately 8.6% of total revenue in 2023. It offers end-to-end cooperation to domestic and international clients—from customized core equipment and modular delivery to intelligent factory construction and EPC general contracting.