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Zhejiang Petrolum & Chemical Co., Ltd. is the core implementing entity of the Zhejiang Zhoushan Green Petrochemical Base—one of the seven key petrochemical bases supported by China’s national “Petrochemical Industry Layout and Planning Program.” It ranks among the largest single-site, most comprehensive in processing flow, and highest in technological integration integrated refining and chemical enterprises in China. The Company’s core businesses cover petroleum refining, production of chemical feedstocks, and manufacturing of high-end synthetic materials. Its product portfolio includes gasoline, diesel, jet fuel, polyethylene (PE), polypropylene (PP), ethylene glycol (EG), para-xylene (PX), styrene, butadiene, maleic anhydride (MAH), and various high-end specialty resins, which are widely applied across energy, packaging, medical & health, automotive, textile, and electronics sectors. Leveraging its 40-million-ton-per-year integrated refining and chemical capacity (including 2.8 million tons/year of ethylene and approximately 9 million tons/year of aromatics), the Company possesses capabilities for deep processing of heavy oil, efficient utilization of light hydrocarbons, comprehensive utilization of C4 streams, and extension into high-value-added chemical products. To date, it has filed 172 invention patents and has led or participated in developing three industrial association standards. In terms of certifications, the Company has obtained the ISO 9001, ISO 14001, ISO 45001, and ISO 50001 management system certifications, and holds all statutory permits, including the “Safety Production Permit for Hazardous Chemicals” and the “Pollutant Discharge Permit.” It has been recognized as a “Green Factory of 2023” by the Ministry of Industry and Information Technology (MIIT) and as a “Green Manufacturing Demonstration Enterprise” by the China Petroleum and Chemical Industry Federation (CPCIF). Its metallocene polyethylene film-grade resin and high-melt-index polypropylene medical & hygiene-grade resin have passed certification by leading customers—including Sinopec, Kingfa Science & Technology, and Hengan Group—and are supplied in commercial volumes; its aromatic products consistently supply PTA producers such as Sinopec and Hengli Petrochemical. Its business is concentrated domestically, with a sales network covering East China, South China, North China, and Southwest China. Crude oil procurement sources include the Middle East, South America, West Africa, and Russia. The Company is collaborating with the Shanghai Futures Exchange (SHFE) to advance construction of crude oil and fuel oil futures delivery warehouses, and is opening multi-dimensional cooperation opportunities—including raw material supply, customized high-end chemical products, collaborative technology development, and regional resource allocation—to upstream and downstream industrial chain enterprises.

Zhejiang MartianlT Technology Co., Ltd. is a national high-tech enterprise in China’s pathology diagnostics field, specializing in research, development, manufacturing, and sales of in vitro diagnostics (IVD), particularly immunohistochemistry (IHC), molecular pathology, and digital pathology. The company was listed on the STAR Market of the Shanghai Stock Exchange in June 2023 (stock abbreviation: Maxin Bio, stock code: 688665). Its core business covers the entire pathology diagnostics value chain, including IHC assay reagents and matched monoclonal antibodies (multiple products holding Class III registration certificates issued by China’s National Medical Products Administration, NMPA), fully automated IHC staining systems (MK-100/MK-200 series), digital pathology scanning and analysis platforms (MxView series), and AI-assisted diagnostic software. Leveraging its Zhejiang Provincial Key Enterprise Research Institute, Postdoctoral Workstation, and CNAS-accredited laboratory, the company has obtained 47 authorized invention patents, 92 utility model patents, and 58 software copyrights within China; it has also led or participated in formulating five industry or group standards, including “Immunohistochemistry Kit.” All products comply with the ISO 13485:2016 quality management system standard; all IVD products—ranging from Class I to Class III—have received NMPA registration certificates, and certain products have obtained CE marking for export to the European Union. The company provides comprehensive IHC solutions to over 1,200 Grade-III hospitals nationwide and actively participates in inter-laboratory proficiency testing programs organized by China’s National Pathology Quality Control Center. The MxView digital pathology platform has been deployed at more than ten top-tier medical institutions, including the First Affiliated Hospital of Zhejiang University School of Medicine, Peking Union Medical College Hospital, and West China Hospital. Its business operations span all 31 provinces, autonomous regions, and municipalities directly under the central government in China, and it expands into Southeast Asia, the Middle East, and Latin America via overseas distributors (overseas revenue accounted for 4.2% of total revenue in 2023). For healthcare institutions, research organizations, and industrial partners, the company offers diversified collaboration models, including integrated supply of reagents and instruments, deployment of digital pathology platforms, joint development of AI algorithms, multicenter clinical validation, and collaborative enhancement of basic-level pathology capabilities.

Zhejiang Jinhao Chemical Technology Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of new materials for the fine chemical industry, focusing on supplying functional chemicals for high-end manufacturing applications such as integrated circuit packaging, LED packaging, and eco-friendly printing. The company’s core businesses encompass three major areas: electronic-grade cleaning agents, highly stable diluents, and water-based ink additives. Its products have passed SGS testing and certification, comply with the halogen restriction requirements specified in IEC 61249-2-21:2020 for electronic packaging materials, and have been approved as qualified suppliers by leading domestic packaging-and-testing enterprises, including Changdian Technology’s Shaoxing base and Tongfu Microelectronics’ Nantong facility. Leveraging its provincial-level enterprise research institute and a joint laboratory established with Zhejiang University, the company continuously invests in key technologies, including ultra-clean environment-compatible organic solvent purification processes and synthesis of low-residue photoinitiator intermediates; its R&D expenditure accounted for 11.3% of revenue in 2025. As of the end of 2025, the company holds eight authorized invention patents and twelve utility model patents, and has led the formulation of the group standard “Specifications for Purity Testing of Electronic-Grade Isopropyl Alcohol” (T/CPCIF 0217–2023). The company holds a “Dangerous Chemicals Operating Permit” (No. Zhe Hang Emergency Operation Permit [2023] 00987), authorizing it to operate xylene, ethanol, acetone, and other common organic solvents with compliant storage facilities. It was certified as a National High-Tech Enterprise in 2021 and successfully renewed this qualification in 2024. Currently, its business covers the East China, South China, and North China regions, serving clients including secondary suppliers within SMIC’s supply chain and BOE’s supporting material vendors—key players across the industrial chain—and providing customized formulation development, technical consultation, and stable mass-production delivery support for sectors including electronic materials, semiconductor packaging, next-generation displays, and green printing.

Zhejiang Gongziyi Network Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and system integration of industrial automation instruments and intelligent control systems, providing long-term services for intelligent upgrading requirements in process industries. The company’s core businesses include intelligent pressure/temperature/flow instruments, industrial Internet-of-Things (IoT) gateways, DCS/SIS system supporting modules, edge computing terminals, and automation solutions tailored for sectors such as petrochemicals, power generation, pharmaceuticals, and environmental water treatment. Leveraging core technological expertise—including high-precision sensor compensation algorithms, low-power wireless sensor network protocol stacks, and adaptation of domestically developed embedded real-time operating systems—the company has established a technical achievements portfolio comprising four invention patents, 18 utility model patents, and 22 software copyrights. The company has obtained ISO 9001 Quality Management System Certification (Certificate No.: 00122Q31234R1M), holds the “Special Equipment Production License” (Permitted Scope: Manufacturing of Pressure Pipeline Components; License No.: TS2733012-2026), and has been recognized as a Zhejiang Province “Specialized, Refined, Distinctive, and Innovative” (SRDI) Small and Medium-sized Enterprise. As a principal contributor to the industry standard JB/T 13920-2020 “General Technical Requirements for Intelligent Pressure Transmitters,” the company possesses end-to-end delivery capabilities—from individual intelligent instruments to system-level data acquisition and control—and has delivered customized instrument packages and data acquisition systems for clients including Sinopec Zhenhai Refining & Chemical Company, Zhejiang Energy Group Jiaxing Power Plant, and East China Pharmaceutical Co., Ltd. Currently, its business covers key industrial provinces in East China—including Zhejiang, Jiangsu, Shandong, and Anhui—and it offers multi-dimensional cooperation models—including product supply, solution design, collaborative hardware/software development, and localized technical support—to meet requirements for new construction projects, technological renovation and upgrading, domestic substitution, and system integration.

ZEECO (China) Engineering And Equipment Co., Ltd. is a wholly owned subsidiary of German TecnoTec GmbH established in China, specializing in industrial process automation control and intelligent equipment integration, and positioned to provide highly reliable, functionally safe, and compliance-certified critical actuation and control system solutions for process industries. The company’s core business encompasses the design, sales, installation, and full-lifecycle technical services for automation control systems; industrial valve actuators (pneumatic, electric, hydraulic); intelligent instrumentation; and Safety Instrumented Systems (SIS) certified to SIL2/SIL3 levels. It serves key sectors including petrochemicals, natural gas, power generation, pharmaceuticals, and fine chemicals. Leveraging the R&D infrastructure of its German parent company, the firm maintains a localized application engineering center and a Field Application Engineering (FAE) technical support team in Shanghai, possessing IEC 61511 functional safety service capabilities as well as core technologies such as actuator structural optimization, fault diagnosis algorithms, and low-power drive modules. It holds 17 valid Chinese invention patents and utility model patents. In terms of certifications, the company has obtained ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 management system certifications; its major products carry CE, ATEX, IECEx, and SIL certifications; it holds the “Special Equipment Production License” (for electric valve actuators); and it has passed the supplier qualification review conducted by the China Petroleum and Chemical Industry Federation. Representative projects include Sinopec Zhenhai Refining & Chemical, CNOOC Huizhou LNG Receiving Terminal, Wanhua Chemical Yantai Industrial Park, and Hengli Petrochemical (Dalian) PTA Phase II—major energy and chemical industry projects—where the company delivered critical valve automatic actuation units and integrated safety interlock systems. Its business covers major industrial bases across East China, North China, South China, and Northwest China, with technical services extending to remote project sites such as Xinjiang and Inner Mongolia. It offers diversified collaboration models—including customized product selection, system integration, on-site commissioning, functional safety assessment, and long-term operation & maintenance support—to end users, engineering companies, EPC contractors, and OEM manufacturers.

Eternal Chemical(Tianjin)Co.,Ltd. is a wholly owned subsidiary established by Taiwan-based Eternal Materials Industry Co., Ltd. (Stock Code: 1326) in mainland China, specializing in fine chemicals and electronic chemicals, with a strategic focus on research & development, production, and services for high-end electronic functional materials. The company’s core businesses include epoxy resins, brominated epoxy resins, halogen-free flame retardants, key additives for semiconductor packaging encapsulation molding compounds (EMCs), and specialty resins for printed circuit boards (PCBs). Its products are widely applied in cutting-edge fields such as 5G communication equipment, high-performance servers, automotive electronics, AI chip packaging, and electronic control systems for new-energy vehicles. Leveraging core technologies—including precise molecular structure design, impurity control during reaction processes, and enhanced high-temperature stability—the company possesses mass-production capacity of over 10,000 metric tons annually for epoxy resin derivatives; certain high-purity brominated epoxy resins have already passed certification by multiple leading international IC substrate manufacturers and entered mass supply. The company has obtained certifications including IATF 16949, ISO 9001, ISO 14001, ISO 45001, and IECQ QC 080000, and holds compliance credentials such as China RoHS, REACH, and UL Yellow Card. It has participated in revising national standards including “Epoxy Molding Compounds for Electronic Packaging” (GB/T 39711-2020) and holds 12 invention patents. Its customers cover major copper-clad laminate (CCL) and packaging manufacturers in the Yangtze River Delta, Pearl River Delta, and Beijing-Tianjin-Hebei regions. Its primary market is mainland China, while some products are exported to Japan, South Korea, Southeast Asia, and Europe via its parent company’s distribution channels. Collaboration opportunities exist in areas including materials R&D, supply-chain coordination, joint technical problem-solving, and customized solutions.

Changchun Zongxu Huayou Energy Technology Co., Ltd. is a small- to medium-sized technology enterprise based in Changchun and focused on new energy application services. Established in December 2022, the company positions itself as a full-lifecycle technical service provider for industrial and commercial distributed photovoltaic (PV) projects. Its core businesses include new energy technology research and development, energy storage system integration, distributed PV project development and operation & maintenance (O&M), intelligent microgrid design and construction, energy-saving technology promotion services, power electronics equipment sales, and contract energy management. The company primarily serves local industrial and commercial clients—especially manufacturers and automotive component suppliers—in meeting their green energy replacement needs utilizing rooftop resources. Leveraging capabilities in electrical system design, equipment selection and integration, and engineering implementation, the company offers end-to-end services covering preliminary consultation, customized solution design, EPC delivery, and subsequent intelligent O&M. A representative project successfully commissioned is the rooftop distributed PV project for an automotive component manufacturing enterprise, signed in June 2024 and operational since November 2024 (installed capacity: 1.26 MW). This project employs Jinko Solar’s N-type TOPCon modules and Huawei’s smart string inverters, and has passed grid connection acceptance by State Grid Changchun Power Supply Company (Document No.: Changdian Yingyan [2024] 187), demonstrating proven, verifiable project delivery capability. The company does not hold a Power Business License or a License for Installation (Maintenance/Testing) of Electric Power Facilities, nor has it obtained management system certifications such as ISO 9001 or industrial security certifications such as IEC 62443; its technical solutions and equipment supply chain are built upon mainstream market brands. Currently, its business coverage centers on the central-southern region of Jilin Province, with Changchun City at its core. Cooperative models include EPC general contracting, system integration supply, O&M outsourcing, and contract energy management, open to industrial enterprises, park operators, and energy service partners seeking distributed PV development opportunities.

Changchun Sinobiom Biological Materials Co.,Ltd. is a national high-tech enterprise specializing in the research, development, production, and sales of biodegradable medical polymer materials. Positioned at the forefront of biomedical materials, the company is dedicated to providing clinicians with safe, controllable, and functionally matched absorbable solutions. Its core business encompasses the synthesis, modification, and end-application development of bioabsorbable materials—including polylactic acid (PLA), polycaprolactone (PCL), polyglycolic acid (PGA), and their copolymers—whose products are widely applied in orthopedics, neurosurgery, oral and maxillofacial surgery, tissue engineering scaffolds, and drug sustained-release carriers. Leveraging an independent R&D laboratory and a GMP-compliant pilot-scale manufacturing facility, the company possesses full-chain technical capabilities spanning material design, process optimization, and performance validation. It holds 12 valid invention patents and 8 utility model patents; it led the drafting of the standard “DB22/T 3621—2024 Technical Requirements for Degradable Medical Polylactic Acid Particles” and participated in formulating the industry standard “YY/T 1871—2023.” The company holds the “Medical Device Production License” (Jilin Food and Drug Administration Medical Device Production Permit No. 20220067), and its Class II medical device products have completed filing with the Jilin Provincial Medical Products Administration. Its quality management system complies with YY/T 0287—2017 (ISO 13485:2016). The company has initiated clinical collaborations and animal experimental studies with institutions including the First Hospital of Jilin University and the First Affiliated Hospital of China Medical University. Its core materials serve over 20 Grade-III hospitals across Northeast, North, and East China, as well as 12 provincial-level medical device testing and inspection institutions. Currently, the company offers multidimensional collaboration opportunities—including material customization, joint development, clinical translation support, and regional product supply—to healthcare institutions, scientific research institutes, medical device manufacturers, and channel partners.

Zhangjiajie Jiaotou Energy Development and Operation Co., Ltd. is a wholly-owned subsidiary of Zhangjiajie Traffic Construction Investment Group Co., Ltd., positioned as an integrated energy service provider for the transportation sector in Zhangjiajie City, focusing on energy services supporting transportation infrastructure and regional green, low-carbon transformation. The company’s core business includes licensed operations such as refined oil retail (excluding hazardous chemicals), gas operation, power supply, and road freight transport (excluding hazardous goods), as well as general business activities including sales of new-energy vehicle battery-swapping facilities, operation of electric vehicle charging infrastructure, construction of centralized fast-charging stations, solar and wind power generation technical services, energy storage technical services, contract energy management, energy conservation management services, sales of charging piles and motor vehicle chargers, and research and development of carbon emission reduction and carbon capture technologies. Leveraging the resource and policy advantages of the Transportation Investment Group, the company has established a public charging network covering Zhangjiajie City’s two districts and two counties, operating a total of 32 charging stations and over 480 charging piles, serving key transportation hubs such as Zhangjiajie West Railway Station, Hehua International Airport, and the Zhangsang Expressway Service Area; it also constructed the South Plaza Charging Demonstration Station at the high-speed railway station (selected by the Hunan Provincial Department of Transport as a “Model Case of Digitalization and Green Transformation Synergy for Transportation Infrastructure”). In 2023, the company launched construction of its first batch of integrated “photovoltaic-storage-charging-discharging” demonstration stations, integrating photovoltaic power generation, energy storage regulation, intelligent charging, and Vehicle-to-Grid (V2G) technology. The company holds the “Gas Operation License,” “Refined Oil Retail Operation Approval Certificate,” “Power Supply Business License,” and “Road Transport Operation License”; it has obtained ISO 9001 and ISO 14001 system certifications and has been included in the Hunan Provincial Development and Reform Commission’s Key Project Database for New-Type Energy Storage and Charging Infrastructure. Currently, the company is open to cooperation in areas including energy upgrades for transportation facilities, co-construction of integrated transportation-energy scenarios, joint R&D of green, low-carbon technologies, investment and operation of charging and battery-swapping facilities, and regional integrated energy services.

Zhangjiagang Dongfang High Tech Polyurethane Co.,Ltd is a national high-tech enterprise specializing in the research and development, production, and sales of polyurethane elastomer materials. It was first certified in 2020 and successfully passed its re-evaluation in 2023. The company’s core businesses cover thermoplastic polyurethane elastomers (TPU), cast polyurethane elastomers (CPU), and polyurethane-modified composite materials. Its products are widely applied in fields including wear-resistant components for mining machinery, track plates for construction machinery, sealing components for petroleum drilling and extraction, rubber-coated rollers for port conveyors, rail pads for high-speed railways, and specialized rubber rollers. The enterprise possesses solid technical expertise and undertakes two sub-projects under Jiangsu Province’s key R&D program: “Key Technology Development of Polyurethane Encapsulant for Wind Turbine Blades with High Tear Resistance and Low-Temperature Performance” and “Industrialization of Self-Healing Polyurethane Liners for Heavy Mining Equipment.” It holds six authorized invention patents and fifteen utility model patents. Its core technologies focus on molecular chain-segment regulation, compound formulation of multi-functional chain extenders, and solvent-free rapid demolding processes. In terms of certifications, the company has obtained ISO 9001:2015 Quality Management System, ISO 14001:2015 Environmental Management System, and ISO 45001:2018 Occupational Health and Safety Management System certifications; it also holds the “National Industrial Product Production License” (polyurethane resin category). Some of its products have passed type approval by the China Classification Society (CCS) and network-access testing per Sinopec’s “Technical Specification for Polyurethane Elastomers Used in Oilfields” (Q/SH 332-2021). Representative collaboration cases include supplying track carrier roller cushioning pads in bulk to XCMG Group; winning bids consecutively for five years for drilling sealing component projects at Xi’an Research Institute of China Coal Technology & Engineering Group Corp.; and providing customized conveyor roller rubber-coating systems for the Meishan Port Area of Ningbo-Zhoushan Port. Its services cover equipment manufacturing and energy enterprises across 12 provinces—including Jiangsu, Shandong, Henan, and Shaanxi—and it offers industry customers cooperative models such as material customization and development, process co-optimization, and large-scale supporting supply.