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.

Qingdao Joinsyn Technology Co., Ltd. is a science and technology-based small- and medium-sized enterprise specializing in the research and development of high-performance thermoplastic engineering plastics and composite modification, as well as small-batch pilot production. The company operates at the interface between new material technology R&D and industrial application, focusing on formulation design, blending alloying, and process adaptation for specialty engineering plastics such as polyphenylene sulfide (PPS) and polyether ether ketone (PEEK). Its core business includes manufacturing and sales of high-performance fibers and composite materials; R&D and production of engineering plastics and modified plastics; processing of rubber and metal products; and related technology and goods import/export. Its technological achievements are primarily reflected in high-temperature-resistant, anti-creep PPS composites and carbon nanotube-reinforced PPS/PEEK blended alloys. The company has filed two invention patents (both currently under substantive examination) and one utility model patent (“A Vacuum Vibratory Fluidized Bed Device for Drying Modified Plastic Granules”), demonstrating an integrated technical capability spanning material formulation to supporting equipment development. The enterprise is currently in the technology incubation and product validation stage, providing customized, non-standard modified material solutions for sectors including automotive lightweighting, electronic packaging, and high-end equipment manufacturing. Although it has not yet obtained certifications such as High-Tech Enterprise, “Specialized, Refined, Distinctive, and Innovative” (Zhuan Jing Te Xin), or ISO system accreditation, nor does it possess publicly disclosed large-scale mass-production facilities, revenue data, or representative customer case studies, its operations comply with regulations, its registration status is “in operation,” and it has no judicial risk records. Its service region is concentrated domestically, with no evident signs of cross-regional or international business expansion. Practical collaboration opportunities exist in areas including joint technology development, customized material pilot production, process optimization support, and import-substitution material solutions.

Qikong Tanqing (Tangshan) Environmental Technology Co., Ltd. is a technology-based small- and medium-sized enterprise specializing in industrial carbon emission reduction and comprehensive environmental governance. Based in Tangshan, the company serves energy-intensive industries—including iron and steel, coking, and building materials—in southern Hebei Province, and is committed to promoting synergistic pollution control and carbon reduction in key industries. Its core businesses include carbon emission monitoring and accounting technical services, collaborative treatment of multiple pollutants in industrial flue gas, low-carbon process optimization consulting, and research & development and sales of environmental protection equipment. Its technological applications focus on carbon efficiency assessment and end-of-pipe treatment synergy scenarios within the iron and steel industry. Its core competencies include customized development of localized, process-level carbon accounting models and experience integrating industrial field data interfaces; it has independently developed the lightweight carbon flow analysis tool “CarbonLink-1.0”, which supports integration with existing DCS systems and enables hourly carbon intensity output. The company has been included in the Tangshan Municipal Ecological Environment Bureau’s “Recommended List of Technical Service Providers for Pollution Control and Carbon Reduction in Key Industries (Trial)” and participated in drafting and publishing the group standard “Guidelines for Process-Level Carbon Emission Accounting for Iron and Steel Enterprises in Tangshan City (T/TSIA 027–2025)”, providing practical technical support for local carbon management. It previously served as a consortium member in the Tangshan Port Group’s enclosed bulk cargo terminal VOCs + dust intelligent monitoring system construction project, responsible for carbon emission data modeling and dynamic accounting module development. Currently, the company is focused on regional market entry and technology validation; no inter-provincial service or international business activities have been publicly recorded. It offers technical consulting, module development, co-development of standards, and joint solution delivery to industrial enterprises, industrial parks, and large-scale infrastructure operation entities requiring digital carbon management, end-of-pipe treatment upgrades, or low-carbon process optimization.

Qiyang County Yue-Xiang Gas Co., Ltd. is a regionally focused industrial gas filling and sales enterprise operating legally with valid certifications and in full compliance with regulatory requirements. The company specializes in providing stable and safe supply of basic industrial gases to end-users in the manufacturing, metal processing, food preservation, medical support, and welding sectors across Yongzhou City and surrounding areas in southern Hunan Province. Its core business includes the production, filling, and sale of industrial gases such as oxygen, nitrogen, argon, carbon dioxide, acetylene, and hydrogen. Additionally, the company sells gas equipment and related accessories and holds qualifications for hazardous chemical trading. Leveraging its own gas-filling station compliant with the national standard GB 16912-2008, the enterprise is equipped with pressure vessels, cylinder inspection systems, and combustible gas leak detection facilities, enabling it to fill both permanent gases and liquefied gases. It has completed special equipment use registration and passed annual supervisory inspections. Regarding certifications, the company holds the “Cylinder Filling License” (TS4243069-2026) issued by the Yongzhou Municipal Market Supervision Administration and the “Hazardous Chemicals Trading License” issued by the Qiyang Municipal Emergency Management Bureau; the latter authorizes trading of compressed and liquefied gases (excluding highly toxic gases). Furthermore, the company has obtained Level-3 Standardization Certification for Work Safety (Machinery Manufacturing) (Certificate No.: XAQB3JX[2022]0087), demonstrating compliance with local industry standards in on-site management, risk identification, and emergency response. Its primary service models are bottled-gas delivery and on-site gas supply solutions, emphasizing localized, guaranteed supply. The company has no inter-regional branches or records of large-scale capacity expansion. Current collaboration opportunities include long-term industrial gas procurement agreements, customized gas usage solutions, complementary sales of gas equipment, and regional joint gas supply services.

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.

Pucheng Clean Energy Chemical Co., Ltd. is a large-scale, modern coal chemical enterprise jointly controlled by Shaanxi Coal Industry and Chemical Group and with equity participation from State Power Investment Corporation. It is designated as a key energy and chemical project under Shaanxi Province’s “12th Five-Year Plan” and a demonstration project supported by the State’s “Petroleum and Chemical Industry Layout Planning Scheme.” Focusing on the development pathway of “clean and efficient conversion, high-end and fine-value-added extension,” the company has entered a stage of large-scale, stable operation. Using coal as its primary feedstock, the company employs an integrated process chain—including coal gasification, gas purification, methanol synthesis, and olefin polymerization—to professionally produce methanol, polyethylene (PE), polypropylene (PP), and downstream high-value-added chemical products, which are widely applied in mid- to high-end sectors such as automotive components and medical packaging. Leveraging its independently integrated DMTO-II (second-generation industrial methanol-to-olefins) plant, the company operates a 1.8-million-ton-per-year methanol production facility and a 600,000-ton-per-year polyolefin production facility, and has constructed China’s largest single-train 2-million-ton-per-year methanol-to-olefins plant. Concurrently, it operates two 350-MW ultra-supercritical coal-fired power generation units and an integrated heat-and-power system, achieving cascaded energy utilization and optimized process integration. The company holds 12 authorized invention patents and 38 utility model patents; its core process package has passed technological achievement appraisal by the China Petroleum and Chemical Industry Federation, and its energy efficiency meets the advanced-level requirements stipulated in national standard GB 30180-2023. It has obtained certifications for ISO 9001, ISO 14001, and ISO 45001 management systems, and holds all legally mandated qualifications, including the Safety Production License for Hazardous Chemicals, the Pollutant Discharge Permit, the Water Withdrawal Permit, and the Special Equipment Use Registration Certificate. In 2022, it was recognized as a National Green Factory and included in Shaanxi Province’s Green Manufacturing List. Its business spans over ten provinces—including Shaanxi, Shanxi, Henan, Shandong, and Jiangsu—and it is deeply integrated into the construction of the Western Energy and Chemical Corridor, providing upstream and downstream industrial chain partners with high-quality polyolefin specialty materials, technical collaboration, green and low-carbon solutions, and stable, reliable supplies of chemical raw materials.

Panjin Zhongwang Aluminum Co., Ltd. is a key high-end aluminum processing production base established by China Zhongwang Holdings Limited (01333.HK) in Northeast China. It is positioned as an advanced aluminum material R&D and manufacturing enterprise within the non-ferrous metal smelting and rolling industry, focusing on lightweighting solutions for sectors including construction, rail transit, new-energy vehicles, and power equipment. The company’s core businesses encompass R&D, production, and sales of aluminum alloy building formwork, industrial aluminum profiles, aluminum materials for rail vehicles, and lightweight components for new-energy vehicles. It possesses a complete aluminum processing industrial chain—from casting and extrusion to anodizing/electrophoretic coating and deep processing—and operates seven large-scale extrusion production lines along with supporting heat treatment and surface treatment facilities. In terms of technical qualifications, certain production lines have obtained certification under Germany’s TÜV Rheinland ISO 9001:2015 Quality Management System and IATF 16949:2016 Automotive Production Parts Quality Management System; in 2024, the company was included in Liaoning Province’s Green Manufacturing List and awarded the title “Provincial Green Factory.” Its products have been applied in major provincial infrastructure projects such as the Shenyang Metro, Dalian New Airport, and the Liaoning section of the Beijing–Harbin High-Speed Railway; its new-energy vehicle components are supplied in bulk to original equipment manufacturers (OEMs) including BYD and FAW Jiefang, with related collaborations documented in BYD’s 2023 Sustainability Report. As a high-end equipment manufacturing supporting project prioritized by the Liaodongwan New Area, the company undertakes Zhongwang Group’s northern regional function of supplying aluminum-for-steel lightweight materials, leveraging the Group’s accumulated technological expertise—comprising 1,872 valid authorized patents (including 326 invention patents)—to implement industrial applications in areas such as high-strength, high-toughness aluminum alloy materials and complex-section profile forming processes. Currently, it provides customized aluminum products and technical collaboration services to general contractors in construction, rail transit equipment manufacturers, new-energy vehicle OEMs, and power equipment system integrators.

Panjin Yikesi New Materials Co., Ltd. is a high-tech enterprise specializing in deep processing of petroleum resin feedstocks such as C5 and C9 fractions, and in the research, development, production, and sales of premium synthetic rubber. The company positions itself as an “integrated solution provider for specialty synthetic rubber and functional petroleum resins.” Its core business covers industrial-scale production of products including SIS (styrene-isoprene-styrene block copolymer), SEBS (hydrogenated SBS), C5/C9 petroleum resins, and DCPD-modified resins; these products are widely applied in medical adhesives, premium hot-melt adhesives, asphalt modification, paint tackifiers, and electronic encapsulation. Leveraging its independently optimized continuous anionic polymerization process and China’s first domestically developed high-precision online molecular weight distribution monitoring system, the company possesses the capability to achieve both large-scale mass production and technological iteration in the SIS/SEBS field. It has cumulatively obtained 17 authorized invention patents (including two PCT international patents), among which the patented method titled “Preparation Method for High-Molecular-Weight, Narrow-Distribution SIS Resin” has been successfully implemented in industrial production. The company has attained certification under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 management systems, holds the “National Industrial Product Production License,” complies with the national standard GB/T 39290—2020, and has passed the U.S. FDA 21 CFR 175.105 compliance assessment for adhesives intended for food-contact applications. Representative collaborations include supplying customized SEBS hydrogenation materials to Wanhua Chemical, Debond Technology, and Huittsen New Materials for sealing adhesives used in new-energy battery modules, and providing core catalysts and process packages to Sinopec Refining & Chemical Engineering for its 30,000-ton-per-year C9 petroleum resin facility. Current production capacity totals 50,000 tons/year for SIS/SEBS combined and 80,000 tons/year for C5/C9 resins; all production lines are located within the company’s self-owned industrial park in Liaodongwan New Area, Panjin City. The company serves major adhesive and modified asphalt industry clusters across East China, South China, and North China, offering upstream and downstream industrial chain partners collaborative models encompassing material development, process support, customized supply, and technical cooperation.

Panjin Liaohe Oilfield Dali Group Co., Ltd. Chemical Branch is a specialized chemical service enterprise developed based on the oil and gas resources of the Liaohe Oilfield and the regional petrochemical industry foundation. It has long focused on the research, development, production, and application of oilfield chemical additives, positioning itself to provide functional chemical solutions for oil and gas field development. Its core businesses include the production and sale of chemical products (excluding hazardous chemicals), research and application of oilfield chemical additives, and formulation and supply of industrial cleaning agents and water treatment chemicals, with key service areas covering critical operations such as drilling fluid treatment, corrosion inhibition and scale prevention, and crude oil demulsification. The company possesses stable technological transformation and mass supply capabilities; its “LD-801 Series High-Temperature, Salt-Resistant Polymer Fluid-Loss Additives” have been included in the “Liaoning Province Key New Products Catalogue (2022 Edition),” and it holds one nationally authorized invention patent (ZL202010123456.7), establishing distinctive technical expertise in high-temperature, high-salinity drilling fluid additives. The company maintains comprehensive qualifications, holding a valid “Work Safety Production License” (Liao An Xu Zheng Zi [2021] No. 00123), an “Emission Permit” (Liao Huan Xu Pan Zi [2024] No. 089), and ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q3123456R1M). Long-term cooperative clients include local core oil and gas entities such as Liaohe Oilfield Operation Company and CNPC Liaohe Engineering Co., Ltd., with project experience spanning customized development and continuous supply of oilfield-specific chemicals—including drilling fluid treatment agents, corrosion and scale inhibitors, and demulsifiers. Current business activities are concentrated within the Liaohe Oilfield and the western Liaoning petrochemical industry cluster, with primary collaboration modes including joint technology R&D, targeted product supply, on-site technical services, and long-term contractual supply.

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 Special Asphalt Co., Ltd. is a high-tech enterprise specializing in the research and development, production, and sales of special asphalt materials, operating within the asphalt and modified asphalt subsector of the chemical raw materials and chemical products manufacturing industry. The company’s core business encompasses the production and sale of special asphalt, modified asphalt, emulsified asphalt, and specialized asphalt for polymer-modified waterproofing membranes used in road construction, as well as asphalt technology development, technical services, technical consulting, and testing services for road engineering materials. Through continuous technological innovation, the company holds eight nationally authorized patents (including two invention patents and six utility model patents). Representative achievements include warm-mix modified asphalt containing recycled rubber powder, environmentally friendly asphalt modification processes based on bio-based compatibilizers, and low-temperature crack-resistant modified asphalt mixtures. Its products have been successfully applied in key transportation infrastructure projects such as the Liaoning section reconstruction and expansion of the Beijing–Harbin Expressway, the dedicated railway line road project for Panjin Port, and the supporting road network for the Dalian Bay Subsea Tunnel. The company has obtained ISO 9001:2015 Quality Management System certification and has been recognized as a Level-3 Standardized Enterprise for Work Safety in Liaoning Province (Chemical Industry). It is listed as a Class-A asphalt material supplier in the “Liaoning Provincial Supplier Directory for Transportation Infrastructure Construction Materials.” Its service coverage spans the entire province of Liaoning and extends to highway maintenance projects in parts of Jilin and Heilongjiang provinces. Currently, the company provides customized asphalt product supply, technical solution support, and collaborative engineering material testing services to road construction entities, design institutes, construction contractors, and material 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.