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Qinghai Salt Lake Yuanpin Chemical Co., Ltd. is a mixed-ownership chemical enterprise jointly established by Qinghai Yanhu Industrial Co., Ltd. (Stock Code: 000792) and subsidiaries of Sinochem Group. The company is positioned at a critical link in the comprehensive utilization industrial chain of salt lake resources, focusing on high-value conversion of magnesium resources—such as magnesium chloride and magnesium hydroxide—byproducts generated during potassium fertilizer production. Its core business covers research, development, manufacturing, and sales of premium flame retardants (e.g., highly dispersible nano-magnesium hydroxide and modified products), magnesium-based functional materials, and deep-processed magnesium resource products derived from post-lithium-extraction operations in salt lakes. These products are widely applied in green flame-retardant and lightweight applications, including wires and cables, PC/PP composite materials, and structural components for new-energy batteries. Leveraging independently developed low-temperature controllable precipitation technology and surface organic/inorganic synergistic modification technology, the company overcomes traditional bottlenecks of severe agglomeration and poor compatibility in magnesium hydroxide. Its products achieve a particle size D90 ≤ 1.8 μm and surface activation degree ≥ 92%, and have been granted four Chinese national invention patents (e.g., CN114XXXXXXB). The company has obtained ISO 9001:2015 Quality Management System Certification and ISO 14001:2015 Environmental Management System Certification; holds a Work Safety Production License ((Qingxi) WH Anxukezi [2023] No. 008) and a National Industrial Product Production License (for flame retardants); and its products have passed SGS testing, complying with EU RoHS and REACH regulatory requirements. The Phase I project—a 50,000-ton-per-year production facility for premium magnesium hydroxide flame retardants—has entered stable operation. Products are supplied in bulk to leading wire-and-cable enterprises such as Far East Cable and Hengtong Optic-Electric, as well as PC/PP composite material manufacturers, and have been included in shortlists of flame-retardant modified material suppliers for certain battery structural components used by BYD and Contemporary Amperex Technology Co., Limited (CATL). Grounded in Qinghai Province’s salt lake resource endowment, the company closely aligns with Qinghai Province’s “14th Five-Year Plan” for high-quality manufacturing development, specifically targeting refined deep processing of magnesium resources. Its market coverage focuses primarily on end-user customers in East and South China. Relying on Qinghai Salt Lake’s logistics channels and Sinochem International’s distribution network, the company expands nationwide cooperation and provides customized magnesium-based functional material solutions and supply-chain collaboration support for emerging sectors including new materials, new energy, and advanced manufacturing.

Qinghai Fudi Lithium Energy Technology Co., Ltd. is a wholly owned subsidiary of BYD Company Limited, specializing in the research and industrialization of new energy materials. It serves as a key implementation entity supporting BYD’s “vertical integration + full-industry-chain layout” strategy in western China’s resource-rich regions. Leveraging Qinghai’s salt-lake lithium extraction industrial foundation, the company focuses on establishing a localized closed-loop system covering “salt-lake lithium extraction—lithium salt production—cathode material manufacturing—battery production.” Its core businesses include R&D, production, and sales of upstream critical materials such as lithium-ion battery cathode materials (primarily lithium iron phosphate), precursors, lithium carbonate, and lithium hydroxide, alongside concurrent development and industrial application of technologies for recycling spent lithium-ion batteries. Technologically, the company has established a core technical route centered on “direct lithium extraction from salt-lake brine coupled with short-process conversion,” having obtained one authorized invention patent, published twelve invention patents, and registered eight utility model patents; related research findings have been published in professional journals including *Salt Lake Research*. The company holds complete and compliant certifications, including the Work Safety Production License, Pollutant Discharge Permit, and Hazardous Chemicals Registration Certificate, and has passed certification under the ISO 9001, ISO 14001, and ISO 45001 management systems. Its Phase I project—a 100,000-ton-per-year lithium iron phosphate (LFP) cathode material production facility—commenced operations in October 2023; its Phase II project—including a pilot-scale salt-lake lithium extraction line and a high-nickel ternary precursor production line—is currently undergoing equipment installation and integrated commissioning. Its product LFP-2301 has passed third-party verification by CATL and EVE Energy, conforming to GB/T 30835 and UN 38.3 standards; it has supplied energy storage power station projects in Qinghai operated by China Energy Group and China Huadian Corporation, and exported samples to battery assembly plants in Thailand and Brazil, completing REACH registration and SGS certification. Currently, the company hosts both the Qinghai Provincial Enterprise Technology Center and a Postdoctoral Research Workstation, enabling pragmatic cooperation across fields including new energy material supply, salt-lake lithium extraction technology collaboration, customized cathode material development, collaborative battery recycling technology development, and regional industrial chain support.

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.

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.