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Qingdao Kaineng Environmental Protection Technology Co., Ltd. (Securities Abbreviation: Kaineng Technology; Securities Code: 837949) is a high-tech enterprise specializing in research, development, and industrial application of energy-saving and environmental protection technologies, positioned in the field of energy-saving technology equipment and services. The Company’s core businesses encompass waste heat and pressure utilization, industrial energy-saving system integration, flue gas treatment, solid waste resource recovery, and intelligent energy management, providing end-to-end energy-saving and carbon-reduction solutions for high-energy-consumption industries such as metallurgy, building materials, and chemical manufacturing. Leveraging 12 invention patents and 47 utility model patents, the Company has developed core technologies including “Multi-Source Waste Heat Cascaded Recovery Coupled Power Generation Technology” and “AI Algorithm-Based Dynamic Energy Efficiency Optimization System for Industrial Kilns.” These technologies have been successfully applied in representative projects such as the 120 MW sintering waste heat power generation EPC project for a steel group in Shandong Province, the preheater waste heat boiler energy-saving retrofit project for a cement enterprise in Inner Mongolia, and the deep waste heat recovery system for flue gas at a glass factory in Jiangsu Province. Its services cover over ten provinces, including Shandong, Hebei, Inner Mongolia, Jiangsu, and Henan. The Company holds Grade-B qualification for specialized design of environmental engineering (air pollution control engineering) and Grade-III qualification for professional contracting of architectural mechanical and electrical installation engineering. It is also certified under ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System. Currently, the Company offers diversified cooperation models—including energy-saving diagnostics, technical solution design, supply of core equipment, EPC project implementation, and construction of intelligent energy management platforms—to industrial enterprises, industrial parks, and engineering general contractors.

Qiyang County Yuexiang Industrial Gas Assembly Co., Ltd. is a regional hazardous chemicals trading enterprise specializing in the filling and distribution of industrial gases. It is registered and operates in the Qiyang Economic Development Zone, Hunan Province, serving Yongzhou City and surrounding manufacturing-intensive areas. The company’s core business includes the filling, storage, sale, and related services of compressed and liquefied gases such as oxygen, nitrogen, argon, carbon dioxide, acetylene, propane, and liquefied petroleum gas (LPG), providing stable and compliant industrial gas solutions to industries including metal processing, machinery manufacturing, food preservation, electronic welding, and chemical production. Leveraging its proprietary gas cylinder filling facilities and professional operation & maintenance team, the enterprise offers end-to-end services covering industrial gas equipment installation and repair, cylinder inspection and leasing, as well as related technical consulting support. In terms of qualifications, the company holds a valid “Hazardous Chemicals Trading License” (No. Xiang-Yong Wei-Hua Jing Zi [2023] 000125, valid until May 16, 2026) issued by the Hunan Provincial Department of Emergency Management, and a “Gas Cylinder Filling License” (No. TS4243B03-2025) approved by the Hunan Provincial Market Supervision Administration; the licensed media include permanent gases, liquefied gases, and dissolved acetylene, with special equipment filling qualifications remaining continuously valid. As a regional supply chain service provider, the company emphasizes safety compliance, timely responsiveness, and localized service delivery, and is capable of undertaking customized gas supply solutions, long-term gas supply agreements, cylinder托管 (cylinder management), and equipment maintenance & repair collaborations. Manufacturing enterprises, engineering project units, and industry integrators are welcome to initiate business coordination and collaborative service engagements.

Pulandian Zhongran Urban Gas Development Co., Ltd. is a regional urban gas supply enterprise affiliated with China Gas Holdings Limited (HKEX Stock Code: 00384.HK), specializing in natural gas transmission, distribution, and integrated services across the entire Pulandian District of Dalian City, Liaoning Province. The company’s core businesses include piped gas operations, installation and maintenance of gas facilities, sales and installation of gas appliances, engineering design and construction of gas facilities, and gas technical consulting services. Its customer base covers residential users (over 180,000 households), commercial and industrial users (more than 1,200 entities), and livelihood-oriented projects such as renovation of old residential communities. Leveraging China Gas’s standardized operational system, the company has comprehensively deployed NB-IoT Internet-of-Things gas meters and integrated them into the “China Gas Cloud” intelligent operations platform, enabling digital management capabilities including real-time gas consumption monitoring, intelligent leakage early warning, and remote valve control. It also implements the Group’s unified Health, Safety, and Environment (HSE) management system and customer service standards. The company holds a valid “Gas Operation Permit” (Permit No.: Liao 2023 Ran Jing Zheng 02010001J) issued by the Department of Housing and Urban-Rural Development of Liaoning Province, authorizing piped natural gas operations within the administrative boundaries of Pulandian District, with validity extending until June 2028. As of the end of 2024, the company had achieved full coverage of main urban distribution networks and continued extending networks into townships, having laid over 420 kilometers of medium- and low-pressure pipelines and completed 37 gas renovation projects for old residential communities. The company’s services are highly localized, focusing exclusively on the entire Pulandian District without engaging in overseas business. Potential collaboration areas include joint construction of gas infrastructure, integrated smart gas systems, safety upgrades for gas systems in old residential communities, customized gas supply solutions for commercial and industrial users, and Engineering, Procurement, and Construction (EPC) services for gas projects.

Poma (Shanghai) Environmental Technology Co., Ltd. is a high-tech enterprise specializing in industrial water treatment and environmental system integration solutions, dedicated to providing full-cycle water system optimization services to high-end manufacturing clients in sectors including electronic semiconductors, biopharmaceuticals, new-energy batteries, and fine chemicals. The company’s core business encompasses the design, research & development, equipment integration, and engineering implementation of reclaimed water reuse systems, zero-liquid-discharge (ZLD) systems for high-concentration wastewater, intelligent management and control systems for industrial circulating cooling water, membrane-based advanced treatment systems, and associated automated control systems. Leveraging a technical approach that combines multi-unit coupled processes (e.g., UF+RO+EDR+MVR staged concentration routes) with digital energy-efficiency management, the company offers integrated capabilities spanning process design, selection of core equipment (including proprietary anti-fouling reverse osmosis and specialty nanofiltration membrane elements), PLC/DCS automatic control programming, and commissioning & operation & maintenance. It holds four authorized invention patents, eleven utility model patents, and three software copyrights; representative achievements include the “PM-WaterPro Intelligent Diagnostic Platform for Industrial Water Treatment V1.0.” In terms of qualifications, the company holds Grade III specialized contracting qualification for environmental engineering projects and a Work Safety Production License, and has passed certifications under ISO 9001, ISO 14001, and ISO 45001 management system standards. Its core water treatment equipment has obtained the Hygienic Permit for Products Related to Drinking Water (Shanghai Health Water Permit No. 2024-XXXX). In recent years, the company has successfully delivered several projects, including: a 1,200-ton-per-day high-salinity wastewater MVR evaporation-crystallization system for a semiconductor materials enterprise in Suzhou; a classified, quality-specific treatment and nickel-cobalt resource recovery project for electroplating wastewater at a power battery manufacturing plant in Wuxi; and an upgraded purified water system EPC project for a CDMO pharmaceutical enterprise in Zhangjiang, Shanghai. All projects are concentrated in the Yangtze River Delta region, and cooperation models cover EPC general contracting, process package supply, supply of core equipment, intelligent upgrades, and customized operation & maintenance services.

Panjin Liaohe Oil Field Dali Group Co., Ltd. is an energy service enterprise developed based on the regional resources and industrial foundation of the Liaohe Oilfield. It positions itself as a regional, specialized, technology-application-oriented provider of oilfield equipment and technical services, with its core business focused on meeting the requirements for stabilizing and enhancing production efficiency at the Liaohe Oilfield and surrounding mature oilfields. The company’s primary business activities encompass sales of petroleum and natural gas equipment and related technical services, research and manufacturing of oilfield-specific tools, production of drilling and production components, installation engineering of electromechanical equipment, corrosion protection and thermal insulation engineering, and environmental protection technical services—covering typical application scenarios such as maintenance and repair of wellhead equipment, energy-saving retrofitting of beam pumping units, mass supply of casing centralizers, and on-site technical services. The company possesses robust capabilities in implementing technologies and has obtained six authorized utility model patents, all concentrated on improving ground-level oilfield equipment and enhancing operational reliability—for instance, corrosion-resistant bimetallic composite casing couplings and intelligent temperature-control protective devices for beam pumping unit motors. In terms of qualifications, the company holds Grade III General Contracting Qualification for Petrochemical Engineering Construction, a Work Safety Production License (Liao An Xu Zheng Zi [2021] No. 08-0076), and ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q3123456R3M), valid until August 2025. As a key non-core equipment supplier within the Liaohe Oilfield region, the company has long provided stable equipment supply and technical services to entities such as the Liaohe Oilfield Branch Company and Great Wall Drilling Engineering Company; its supplier registration information is consistent with the Liaohe Oilfield Supply Chain Management System. Cooperation modes are flexible, supporting various models including equipment supply, customized R&D, on-site technical support, engineering implementation, and operation & maintenance services—applicable to specific business scenarios such as upgrading and reconstruction of oilfield surface systems, energy-saving and consumption-reduction projects, and adaptive optimization of aging facilities.

Panjin Kelong Fine Chemical Co., Ltd. is a national high-tech enterprise specializing in the research, development, production, and sales of industrial cleaning agents, metal surface treatment agents, water treatment chemicals, and specialty functional auxiliaries. The company positions itself to provide green, efficient, and compliant chemical solutions for industries including petrochemicals, power generation, metallurgy, and equipment manufacturing. Its core products encompass the KD-series hydrocarbon-based cleaning agents, KL-8000 alkaline degreasing agents, KLC-5000 phosphorus-free passivation liquids, and scale and corrosion inhibitors specifically designed for circulating water systems. Its technological approach emphasizes green solvent substitution, chromium- and nickel-free formulation design, and low-COD biodegradable processes. Relying on its Provincial-level Enterprise Technology Center (certified under Liaoning Provincial Industry and Information Technology Commission Document No. [2021] 127), the company holds 12 invention patents and 38 utility model patents; among these, achievements such as the “Low-Temperature, High-Efficiency Oil-Removal Cleaning Agent and Preparation Method” (Patent No. ZL202010123456.7) have been successfully implemented at customer sites including PetroChina Liaohe Oilfield and China North Huajin Chemical Industries Group Co., Ltd. under China Ordnance Industries Group. The company has obtained certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System. It holds the Production License for Safety of Hazardous Chemicals (Liaoning WH Anxu Zheng Zi [2023] No. 0008), the National Industrial Product Production License (XK13-014-00067), and the Pollution Discharge Permit (No. 91211100749782127G001V, valid until December 2028), and has participated in drafting the group standard “Environmentally Friendly Cleaning Agents for Industrial Equipment” (T/CPCIF 0215—2024). Representative service cases include the Liaohe Oilfield Thermal Recovery Boiler Cleaning Project and the Anshan Iron and Steel Group Cold Rolling Line Roller Surface Cleaning System Integration Service. Its customers cover industrial enterprises across Northeast and North China. The company provides customized product development, technical solution support, on-site cleaning services, and full-lifecycle chemical management cooperation to end users, engineering service providers, and system integrators.

Panjin Dali Petrochemical Co., Ltd. is a private enterprise specializing in the production, sales, and technical services of petrochemical products. Based in Northeast China, the company provides in-depth services to B2B customers, including industrial and mining enterprises, transportation units, and oilfield service enterprises. Its core business covers research, development, and supply of petroleum products (excluding hazardous chemicals), lubricating oils, greases, antifreeze, vehicle urea solution, and industrial cleaning agents. Additionally, the company engages in wholesale and retail of chemical raw materials (excluding precursor chemicals and hazardous chemicals), as well as on-site technical services and technical consultation for petrochemical equipment cleaning and corrosion prevention. Leveraging compounding modification and scenario-adapted technical approaches, the enterprise focuses on delivering customized lubricant solutions—including medium-to-low viscosity industrial lubricating oils, diesel anti-wear compound additives, and metalworking cutting fluids—to key clients such as certain secondary units of Liaohe Oilfield, local equipment manufacturing enterprises in Panjin, and regional logistics fleets. The company holds the “Hazardous Chemicals Business License” (No. Liaopan Weihua Jingzi [2024] 0086) issued by the Panjin Municipal Emergency Management Bureau, authorizing it to engage exclusively in documentary trade of diesel (closed-cup flash point ≤ 60°C). It has also obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q3123456R1M) and passed the Level-III Enterprise Standardization Assessment for Work Safety (No. Liaopan Anbiao [2023] 27). The company has no administrative penalties, judicial risks, or records of serious violations or untrustworthiness; its social insurance enrollment remains stable at approximately 32 employees. Currently, its business covers Liaoning Province and surrounding regions, with cooperation models including product supply, technical integration, on-site services, and after-sales support.

Ningbo Zhongke Yuandong Catalytic Engineering Technology Co., Ltd. is a high-tech enterprise established with technical support from the Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, specializing in catalytic engineering technology research and industrial application. The company focuses on developing novel catalysts, optimizing fixed-bed and fluidized-bed reactor designs, CO₂ resource utilization, directional conversion of syngas, and green synthesis of fine chemicals, aiming to promote low-carbon and high-efficiency chemical processes. It possesses end-to-end technical capabilities spanning molecular sieve catalyst development (e.g., SAPO-34), composite metal oxide catalyst development (ZK-YD series), reaction system integration, pilot-scale validation, and engineering optimization. Its independently developed catalysts demonstrate outstanding performance in low-temperature, high-selectivity operation and long-term stable operation (continuous operation exceeding 8,000 hours per unit). The company has been certified as a National High-Tech Enterprise (GR202133005476) and holds ISO 9001 Quality Management System certification; it owns 12 authorized invention patents and participated in formulating the group standard “Engineering Technical Specification for Catalytic Conversion of Coal-Based Syngas” (T/CPCIF 0182–2022). Its technological achievements have been industrialized: representative applications include catalyst replacement and reaction system optimization for a 300,000-ton-per-year ethanol synthesis demonstration plant, and catalytic module integration for a CO₂ hydrogenation-to-methanol pilot platform at a central SOE’s coal chemical base. Its clients include research institutes under Sinopec and China National Chemical Corporation, as well as backbone chemical enterprises in East China, North China, and Northwest China. Collaboration models cover customized catalyst supply, reaction process package development, technical diagnostics, and system upgrades.

Ningbo Hefeng Chemical Engineering Design & Consulting Co., Ltd. is a private, technology-oriented engineering consulting service provider established in 2003, specializing in professional technical services for process industries—including chemical, pharmaceutical, and new materials sectors—and is listed in Ningbo City’s database of specialized, refined, distinctive, and innovative small- and medium-sized enterprises (SMEs). The company’s core business encompasses engineering consulting, process package development, conceptual design, detailed design, and EPC project management support, covering the entire project lifecycle from early-stage planning through engineering implementation. Its core competencies focus on fine chemical process optimization, inherently safe design for high-hazard processes (including HAZOP analysis and SIL rating), and development of green, low-carbon process pathways, emphasizing integrated “process–safety–environmental protection” design while prioritizing precise control of energy and material consumption and enhancement of inherent safety levels. The company holds Grade-A engineering design qualifications for the chemical, petrochemical, and pharmaceutical industries (Certificate No.: A133003999, valid until December 2027), Grade-B credit evaluation for engineering consulting firms (specializing in chemical and pharmaceutical fields), Class GCD pressure piping design license, and Level-3 certification for work safety standardization; it is also certified to ISO 9001:2015 for quality management systems. Representative projects include the continuous-flow microreactor process retrofit for a pharmaceutical intermediate manufacturer in Zhejiang Province; the wastewater resource recovery engineering design for a dye manufacturer in Jiangsu Province; and the process package development for an electronic specialty gas purification unit for a new materials company in Ningbo. Geographically, its service area centers on the Yangtze River Delta region and extends across Zhejiang, Jiangsu, Shandong, and Anhui provinces. Collaboration models include process package delivery, design commissioning, safety assessment, and EPC technical support, delivering customized, professional, and implementable technical solutions to process industry enterprises, industrial parks, and engineering companies.

Inner Mongolia Autonomous Region Machinery and Equipment Complete Set Co., Ltd. is a state-owned wholly owned enterprise approved by the former Ministry of Machine Industry of the People’s Republic of China and the People’s Government of Inner Mongolia Autonomous Region, with the State-owned Assets Supervision and Administration Commission (SASAC) of Inner Mongolia Autonomous Region fulfilling its duties as the investor. It is a key provincial-level support unit for equipment manufacturing services in the autonomous region. The company has long focused on providing full lifecycle services for mechanical and electrical equipment. Its core businesses include: complete supply of industrial equipment; engineering procurement and construction (EPC) contracting for technological upgrading projects; integrated design, installation, and commissioning of mechanical and electrical equipment; agency services for imported equipment and support for domestic substitution; spare parts and components supply chain management; and intelligent upgrade solutions tailored to industries such as energy, metallurgy, chemical, and mining. The company holds Class II General Contracting Qualification for Mechanical and Electrical Engineering Construction, Special Equipment Installation, Transformation, and Repair License (Pressure Piping Categories GC2 and GB1), Work Safety Production License, and ISO 9001 Quality Management System Certification. It has deeply participated in the intelligent industrial development of the autonomous region and contributed to formulating the Equipment Selection Specifications accompanying the “Technical Guidelines for Intelligent Coal Mine Construction in Inner Mongolia Autonomous Region (Trial Edition, 2023).” It undertook the integrated equipment project for the main transportation system of an Ordos coal mine with an annual capacity of ten million tons (commissioned in 2022) and the intelligent power supply and distribution equipment integration project for Baotou Iron and Steel Group’s Bayan Obo Iron Mine (accepted in 2023), both cited by China Mechanical & Electrical Industry as exemplary cases of equipment service in the autonomous region. Its business operations cover the entire Inner Mongolia Autonomous Region, delivered via platforms including the “Technological Upgrade Service Column” of the Department of Industry and Information Technology of Inner Mongolia Autonomous Region, the Public Service Platform for Tendering and Bidding in Inner Mongolia Autonomous Region, and the “Meng Su Ban” APP’s Enterprise Service Directory. From 2023 to 2024, it undertook three provincial-level key technological upgrade projects as part of joint venture consortia, delivering total equipment general contracting services valued at over RMB 280 million. It offers diversified cooperation models—including equipment complete sets, EPC general contracting, intelligent transformation consulting and implementation, domestic substitution of critical equipment, and full-lifecycle operation and maintenance support—to industrial enterprises, local governments, and project owners.