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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 Shiju Energy Co., Ltd. is a regional private enterprise based in Xinjiang, focusing on distributed new energy development and power engineering services. Its core businesses cover power generation, transmission, supply (distribution) and sale, as well as installation, maintenance, and testing of power facilities, and construction of engineering projects. Additionally, the company extends its services to solar and wind power technology, energy storage technology, contract energy management, energy-saving management services, sales of new energy equipment, intelligent power transmission and distribution equipment, power electronic components, charging piles, and operation of electric vehicle charging infrastructure. The company possesses end-to-end service capabilities—from project feasibility consultation and EPC general contracting to grid connection and operation—and has participated in the construction of four distributed photovoltaic power generation projects in locations including Urumqi High-Tech Industrial Development Zone and Fukang City, Changji Prefecture, with a total installed capacity of approximately 28.6 MW. Notably, the Fukang Industrial Park Rooftop Photovoltaic Project—completed and connected to the grid in November 2023—was implemented by the company as the EPC general contractor and passed grid connection acceptance by the Xinjiang Power Grid Company, subsequently being incorporated into the Autonomous Region’s Clean Energy Consumption Monitoring Platform. The company holds the “License for Installation (Maintenance/Testing) of Electric Power Facilities” (No.: 6-1-00321-2023), issued by the Northwest Regulatory Bureau of the National Energy Administration, with Class IV authorization for installation, maintenance, and testing, valid until August 2028. It has also obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q41234R0M). Its primary service scenarios focus on distributed energy applications, especially in industrial parks; cooperative areas include joint development of distributed photovoltaic projects, EPC engineering services, coordinated distribution and retail electricity business, energy storage system integration, and investment and operation of new energy infrastructure.

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.

Xinjiang Dongfang Hope New Energy Co., Ltd. is a wholly owned subsidiary of Dongfang Hope Group Co., Ltd., specializing in the development and operation of new energy projects. It is positioned as a large-scale integrated clean energy project investor and operator—covering wind, solar, and energy storage—in Northwest China, focusing on the construction and grid-connected operation of new energy projects within Xinjiang. The company’s core businesses include investment, construction, and operation & management of wind power and solar photovoltaic (PV) generation projects; energy storage system integration and technical services; electricity sales; new energy technology development, consulting, and transfer; and carbon asset management services. Leveraging the Energy Technology Center of the Central Research Institute of Dongfang Hope Group, the company possesses engineering application capabilities in areas such as high-altitude low-wind-speed wind turbine selection and adaptation, dust-resistant and degradation-mitigating PV module design for sandy, Gobi, and desert regions, and dispatch response of grid-forming energy storage systems. Its related technical solutions were nominated for the China Electricity Council’s 2024 “Innovative Practice Cases for the New Power System” award. The company holds the “Electricity Business License (Power Generation Category)” issued by the Xinjiang Regulatory Office of the National Energy Administration and has obtained certification under the three major management systems: ISO 9001, ISO 14001, and ISO 45001. It has been included in the Xinjiang Uygur Autonomous Region Development and Reform Commission’s first batch of the “Green Electricity Trading Entities List” for 2025. The flagship demonstration project—“Zhundong 2 GW Wind Power + 1 GW Solar PV + 500 MW / 200 MWh Energy Storage”—has achieved full-capacity grid connection as of September 2025. The company has constructed and operates three 220 kV substation aggregation stations in the Zhundong Wucaiwan region, delivering over 4.5 billion kWh of green electricity annually. In 2025, its green electricity trading volume reached 1.86 billion kWh, accounting for 23% of the total green electricity transaction volume among private enterprises across the region. Its primary service clients are high-energy-consuming industrial users within Xinjiang and power grid companies. Collaborative initiatives encompass joint development of new energy projects, green electricity procurement with complementary green certificates, energy storage system integration, technical support for source-grid-load-storage coordinated operation, and carbon asset development and management.

Xinjiang Baiter Bingshan Refrigeration Engineering Co., Ltd. is a regional professional service provider specializing in refrigeration system engineering design, installation, and technical services. Based in Xinjiang and serving the entire country, the company has long focused on sectors including food cold chain, pharmaceutical refrigeration, industrial process cooling, and commercial freezing. Its core business covers the sale, installation, commissioning, and maintenance of refrigeration equipment and components, as well as air conditioning and ventilation equipment; and the design and construction of cold storage projects, cleanroom projects, and mechanical and electrical equipment installation projects. Leveraging its Grade III Professional Contracting Qualification for Building Mechanical and Electrical Installation Engineering (Certificate No.: D365XXXXXX, valid until 2028) and ISO 9001:2015 Quality Management System Certification (Certificate No.: 00922Q31234R3M), the company possesses full-process implementation capabilities—from conceptual design and system integration to delivery and acceptance. Its technical solutions center on cascade refrigeration systems utilizing fluorocarbons/ammonia/carbon dioxide and PLC-based automatic temperature control. In recent years, the company has successfully delivered multiple medium- and small-scale cold storage projects across Xinjiang, including a low-temperature fresh-keeping warehouse for an agricultural product trading center in a prefecture-level city (completed in 2023) and a GMP-compliant medical refrigerated warehouse for a biopharmaceutical enterprise (passed acceptance in 2024). Project contract values typically reach the million-yuan level, with clients spanning industries demanding high precision and regulatory compliance in temperature control—such as agricultural product distribution and pharmaceutical manufacturing. Classified under the national economic industry category “Refrigeration and Air Conditioning Equipment Installation Services” (E4922), the company maintains a clear positioning and pragmatic development path. It offers customized refrigeration system solutions, energy-saving retrofits for existing facilities, full-lifecycle operation and maintenance support, and specialized technical consulting services to enterprises and institutions, industrial parks, medical institutions, and food processing enterprises.

Wuhan Zhihong Pharmaceutical & Chemical Environmental Protection Technology Co., Ltd. is a high-tech enterprise specializing in environmental governance and resource utilization within the pharmaceutical and chemical industry, dedicated to providing integrated “three-waste” (wastewater, waste gas, and solid waste) treatment solutions for active pharmaceutical ingredient (API) manufacturers and chemical synthesis drug producers. The company’s core business covers specialized applications including pretreatment and advanced reuse of high-concentration, refractory pharmaceutical wastewater; catalytic oxidation of nitrogen- and phosphorus-containing waste gases; and fractional distillation recovery of waste solvents. It has developed a proprietary wastewater treatment process package centered on “micro-electrolysis–Fenton coupled oxidation + MBR (membrane bioreactor) biochemical enhancement,” which has been successfully engineered and implemented. Leveraging independent R&D capabilities, the company holds two invention patents (covering a multi-stage ozone catalytic oxidation reactor and modified zeolite adsorbent material for ammonia-nitrogen removal) and seven utility model patents, with all technological achievements deployed in actual projects. The company holds a Discharge Permit (valid until 2029), a Construction Enterprise Qualification Certificate (Grade III specialty contracting qualification for environmental engineering), and is certified under the ISO 9001 Quality Management System. Representative projects include: the upgrading and reconstruction of the wastewater treatment plant for a cephalosporin API production line at a listed pharmaceutical enterprise in Hubei Province (commissioned in 2022, achieving ≥92% COD removal efficiency and stable effluent compliance with GB 21904–2008); and the construction of an integrated VOCs adsorption–desorption–catalytic combustion system for a chemical synthesis pharmaceutical enterprise in Jiangxi Province (completed and accepted in 2023). Its services cover central China’s pharmaceutical industry clusters—including Hubei, Hunan, and Jiangxi provinces—and it offers pharmaceutical and chemical enterprises comprehensive environmental technology development and consulting, pollution control engineering design and construction, environmental equipment R&D, sales, and installation, as well as customized integrated “three-waste” treatment 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 Yingde Gases Co., Ltd. is a key operating entity of Yingde Gases Group (currently a subsidiary controlled by Hangzhou Oxygen Plant Group Co., Ltd.) in North China, specializing in the research and development, production, sales, and comprehensive gas services of industrial gases. It is a national high-tech enterprise and a “Specialized, Refined, Distinctive, and Innovative” small- and medium-sized enterprise in Tianjin Municipality. Leveraging the Group’s nationwide air separation units and gas supply network, the Company’s core businesses cover specialty gases—including electronic-grade specialty gases, high-purity nitrogen, oxygen, hydrogen, and argon—medical gases, on-site gas generation systems, and liquid gas storage and transportation services, deeply serving high-end manufacturing sectors and livelihood-related fields such as semiconductors, photovoltaics, display panels, automobile manufacturing, petrochemicals, and medical healthcare. The Company possesses filling and testing capabilities for electronic-grade ammonia, silane, and other specialty gases; certain production lines comply with SEMI standards. It holds the “Production Safety License for Hazardous Chemicals,” the “Special Equipment Production License (Pressure Piping Installation),” and the “Medical Device Business License,” and has achieved certification under the ISO 9001, ISO 14001, and ISO 45001 management system standards. Relying on the Tianjin Lingang Air Separation Project, the Company delivers stable and reliable gas solutions to key clients including Sinopec-Saudi Aramco Petrochemical Co., Ltd., FAW Toyota Motor Co., Ltd., and Samsung Display Co., Ltd.; its electronic specialty gas filling station has passed the on-site audit conducted by the China Electronic Materials Industry Association. As Hangzhou Oxygen Plant Group’s core gas service provider in North China, the Company offers manufacturing clients diversified cooperation models—including gas supply, investment and operation of on-site gas generation facilities, customized filling of specialty gases, medical gas delivery, and technical consulting—backed by localized responsiveness, professional service, and systematic assurance capabilities. Its international business operations are conducted through collaboration across the Group’s global supply chain.

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.