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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.

Oerlikon Balzers Coating (Suzhou) Co., Ltd. is a wholly owned subsidiary of the Balzers Division of the Swiss Oerlikon Group, and serves as one of the Group’s key R&D and manufacturing bases for surface treatment technologies in the Asia-Pacific region. The company specializes in the R&D, production, and application services of advanced surface coating technologies—including Physical Vapor Deposition (PVD), Chemical Vapor Deposition (CVD), and Plasma-Assisted Chemical Vapor Deposition (PACVD)—providing high-performance functional coating solutions for industries such as precision machinery, automotive components, cutting tools, medical implants, molds, and semiconductor equipment parts. Leveraging its global R&D network and localized engineering capabilities, the company consistently delivers coatings including AlCrN, TiAlN, Diamond-Like Carbon (DLC), and composite multilayer structures, featuring nanoscale thickness control (0.5–5 µm), high adhesion strength (>80 MPa), excellent wear resistance, and corrosion resistance, all compliant with international standards such as VDI 3198 and ASTM B571. Notably, its DLC coatings have passed ISO 10993-5/-10 biocompatibility testing, enabling batch coating of Class III medical device components, including cardiovascular interventional guidewires and orthopedic surgical instruments. The company is certified to ISO 9001:2015, ISO 14001:2015, IATF 16949:2016, and ISO 13485:2016, and has long provided customized coating processing services to customers including Bosch, ZF, Schaeffler, Sandvik, Kennametal, and leading domestic high-end CNC machine tool manufacturers. As of 2024, it has served over 300 customers, covering manufacturing clusters in the Yangtze River Delta, Pearl River Delta, and Beijing-Tianjin-Hebei regions. Its international business operations are coordinated through the Oerlikon Group’s global service network, supporting various collaboration models including joint technology development, localization of processes, production line coating upgrades, and regulatory-compliant implementation of medical device coatings.

Nordson (Shandong) Specialty Materials Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of high-performance specialty materials, positioned as a key functional materials supplier for advanced manufacturing sectors including electronics, new energy, semiconductors, and photovoltaics. The company’s core businesses encompass three major areas: electronic-grade adhesives; encapsulation and thermal conductive materials for new-energy batteries; and temporary bonding/debonding materials for semiconductor packaging. Its products are widely applied across various scenarios, including consumer electronics (e.g., hinge sealing for foldable displays), power battery modules for new-energy vehicles (module potting), integrated circuit packaging, and photovoltaic modules (edge sealing of EVA film). The company has established a provincial-level “Engineering Research Center for Specialty Functional Colloidal Materials” and holds 12 state-authorized invention patents, including core technologies such as “A Modified Polyimide Adhesive for High-Temperature, Low-Stress Chip Packaging and Preparation Method Thereof.” It has led or participated in formulating two group standards: “Technical Specification for High-Thermal-Conductivity Silicone Grease for Lithium-Ion Batteries” (T/CNIA 0192–2023) and “General Requirements for Temporary Bonding Materials for Electronic Packaging” (T/SDAS 487–2024). The company holds a High-Tech Enterprise Certificate (GR202337005621, valid until 2026) and is certified under ISO 9001:2015 and IATF 16949:2016 quality management systems. It has achieved partial domestic substitution, serving customers primarily across East China, South China, and Southwest China, mainly as a Tier-2 supplier. Representative collaborations include module potting solutions for leading domestic power battery enterprises, foldable-display sealing adhesive supply for smartphone ODM manufacturers, and customized sealing solutions for local Shandong photovoltaic enterprises. Currently, the company is open to collaborative models with upstream and downstream industry chain partners, including custom material development, joint process validation, and cooperative technical problem-solving.

Nouryon Chemicals (Ningbo) Co., Ltd. is a wholly owned subsidiary of Nouryon (Netherlands) established in China, specializing in the research and development, production, and localized application services of specialty chemicals, and serves as one of Nouryon’s key production bases in the Asia-Pacific region. The company’s core businesses include water treatment chemicals, cleaning and disinfection solutions, industrial process aids, and functional chemicals for personal care and pharmaceutical applications. Its products are widely used in municipal and industrial water treatment, papermaking, textiles, coatings, oil & gas extraction, food & beverage, and life sciences sectors. Leveraging Nouryon’s global technology platform, the Ningbo site possesses core technical capabilities including highly selective catalytic synthesis, peroxide stabilization, and formaldehyde-free preservation, and has implemented green processes such as waste heat recovery to support the Group’s “Net Zero by 2050” target. The company holds valid permits, including the Safety Production License for Hazardous Chemicals (Zhejiang-Ningbo Hazardous Chemicals Production Permit No. [2023] 0017) and the Pollutant Discharge Permit (No. 91330201058262726W001V), and is certified under ISO 9001, ISO 14001, and ISO 45001 management systems. Its key products have obtained multiple international compliance certifications, including those from the U.S. Environmental Protection Agency (EPA), the U.S. Food and Drug Administration (FDA), NSF/ANSI Standard 60, and EU REACH pre-registration. Customized formulation products such as the “High-Efficiency, Low-Phosphorus, Non-Ionic Flocculant NX-3200” and the “Food-Grade Hydrogen Peroxide Stabilizer Nouryox® S10” have achieved large-scale application with several major water utility groups and pharmaceutical enterprises. The company serves markets in East and South China, and extends its reach to Southeast Asia, Japan, Korea, and the Middle East through Nouryon’s Asia-Pacific sales network. It offers industry customers localized production, technical support, joint application development, and collaborative sustainable solutions.

Ningxia Tiandi Benniu Industry Group Co., Ltd. (abbreviated as “Tiandi Benniu”) is a core equipment manufacturing backbone enterprise under China National Coal Group Corporation, a national high-tech enterprise, and a national model enterprise for technological innovation. The company positions itself as a provider of intelligent coal mining equipment R&D, manufacturing, and system solutions. Its core business covers the R&D, design, manufacturing, service, and full-lifecycle management of key conveying equipment for fully-mechanized coal mining faces—including scraper conveyors, transfer machines, and crushers. Its products are widely deployed in intelligent mines with annual production capacities exceeding 10 million tons operated by major coal enterprises such as China Energy Group, China National Coal Group, Shaanxi Coal Group, and Shandong Energy Group, and are exported to over ten countries and regions, including Russia, India, Turkey, Australia, and South Africa. Leveraging its National Enterprise Technology Center, Branch of the National Engineering Research Center for Mining Machinery, Postdoctoral Scientific Research Workstation, and Ningxia Key Laboratory of Intelligent Conveying Equipment, the company holds over 580 valid patents (including 127 invention patents) and has led or participated in the formulation and revision of 32 national and industry standards—such as GB/T 24922–2023 “General Technical Requirements for Scraper Conveyors.” Its technical capabilities focus on “high reliability, high capacity, intelligence, and low carbon emissions.” Its independently developed SGZ1000/2000- and SGZ1250/2800-type intelligent scraper conveyors achieve single-machine transport capacities exceeding 6,000 tons per hour; their integrated intelligent monitoring systems support remote diagnostics, fault early warning, and digital twin mapping. Its “Intelligent Operation & Maintenance Platform for Scraper Conveyors Based on Multi-source Information Fusion” was selected as an exemplary intelligent manufacturing scenario by the Ministry of Industry and Information Technology (MIIT) in 2023. The company has obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications; holds A1/A2-level pressure vessel design and manufacturing licenses; possesses Mine-Use Product Safety Mark (MA) certificates; has CE certification for certain models issued by the European Union; and is certified as a qualified confidential entity. Representative projects include the complete conveying system for the 8.8-meter ultra-high cutting-height working face at Shendong Shangwan Coal Mine; core equipment for China National Coal Group’s Pingshuo intelligent demonstration mine; and the transformation-supporting system for China Energy Group’s Zhuneng Heidaigou Mine. For industry clients, the company offers customized equipment development, intelligent upgrade services, full-lifecycle operation and maintenance support, and system integration solutions.

Ningxia Qinghua Coal Chemical Group Co.,Ltd. is a national high-tech enterprise headquartered in the Taiyangshan Development Zone of Wuzhong City, Ningxia. It is a large-scale, modern coal chemical enterprise group integrating coal washing and selection, coke production, refined coal tar and crude benzene processing, LNG (liquefied natural gas) production, synthetic ammonia, methanol, and comprehensive hydrogen energy utilization. The company’s core businesses cover coke production and deep processing of by-product chemicals, clean energy conversion (including coke oven gas-to-LNG and hydrogen purification), and research & industrialization of novel coal-based materials. Its annual coke production capacity exceeds 4 million tons; its coal tar processing capacity reaches 600,000 tons per year; and its annual LNG production capacity is 300 million cubic meters. The company has constructed China’s largest single-unit pilot-scale coke oven gas-to-hydrogen facility, stably producing ultra-high-purity hydrogen at 99.999%. It hosts both an autonomous-region-level enterprise technology center and the Ningxia Coal-Based Fine Chemical Engineering Research Center. To date, it has obtained authorization for 12 invention patents and 87 utility model patents, and has led or participated in formulating five national and industry standards—including “Coking Benzene” and “Coal Tar.” Its “Hierarchical Utilization of Coke Oven Gas for Hydrogen Production Coupled with LNG Co-Production” process has been included in the National Development and Reform Commission’s “Industrial Structure Adjustment Guidance Catalogue (2024 Edition)” as a technology encouraged for development. The company holds the “Work Safety Production License,” the “National Industrial Product Production License (Hazardous Chemicals),” and the “Pollutant Discharge Permit,” and has passed certifications under ISO 9001, ISO 14001, and ISO 45001. It is listed among Ningxia’s key energy-consuming units and green manufacturing demonstration units. Representative projects include the Taiyangshan Energy Circular Economy Industrial Park, with a total investment exceeding RMB 12 billion; the 200,000-ton-per-year coke oven gas-to-hydrogen and integrated hydrogen refueling station demonstration project (commissioned in 2023); and the medium–low temperature coal tar hydro-upgrading pilot platform developed jointly with the Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Its products are widely applied across metallurgy, chemical industry, new-energy vehicles, and electronic specialty gases. Hydrogen is already supplied in bulk to semiconductor packaging enterprises and fuel-cell vehicle manufacturers in the Ningdong Base. While centered in Ningxia, its business operations extend across the western regions of Shaanxi, Gansu, and Inner Mongolia, and it is currently advancing efforts to secure coke export qualifications targeting Central Asian markets. We sincerely invite pragmatic cooperation in areas including clean energy conversion, hydrogen applications, coal-based new material R&D, joint construction of circular economy industrial parks, and collaborative standardization.

Ningxia Langli New Materials Co., Ltd. is a high-tech enterprise specializing in the research and development, production, and sales of novel functional materials. It operates within upstream critical segments of China’s national strategic emerging industries—specifically, the “New Materials Industry” and the “New Energy Vehicle Industry.” The company’s core businesses include precursors for lithium-ion battery cathode materials (e.g., nickel-cobalt-manganese ternary precursors), electronic-grade fine chemicals, and specialty metal powder materials. Its products are widely applied in new energy power batteries, energy storage batteries, and high-end electronic components. Leveraging its provincial-level enterprise technology center, the company masters core technologies such as precise morphology and particle size distribution control of precursors via co-precipitation, and low-sodium/low-magnetic impurity control. It holds 12 authorized invention patents and 38 utility model patents; certain technical indicators have reached advanced domestic levels. The company has obtained certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and IATF 16949 Automotive Quality Management System, thereby possessing qualifications to supply materials for automotive-grade battery supply chains. Its 20,000-ton-per-year ternary precursor production project was completed and commenced operations in 2023, representing a key new-materials industrialization initiative supported by Shizuishan City. Customers encompass leading domestic battery material manufacturers and multiple top-tier power battery enterprises; the company has already been integrated into the tier-two supplier systems of CATL and BYD. Currently, its business focuses on domestic markets in Northwest, East, and South China; it has no overseas direct investments or physical overseas operations. As a company listed on the National Equities Exchange and Quotations (NEEQ) (stock abbreviation: Langli New Materials; stock code: 873926), it provides upstream and downstream industrial chain partners with customized development of high-performance precursors, process collaboration and optimization, and stable large-batch supply services. It welcomes pragmatic cooperation in areas including R&D of new energy materials technologies, production capacity matching, and joint construction of supply chains.