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Shandong Huayi Chemical Co., Ltd. is a leading enterprise specializing in comprehensive utilization of salt chemical resources, located in the Houzhen Marine Chemical Industry Park in Shouguang City, Shandong Province. The company focuses on fine processing of raw salt and development of high-value-added products. Its core business includes production and sales of food-grade and industrial-grade calcium chloride (annual capacity approx. 80,000 tons), high-purity bromine (annual capacity approx. 300 tons), sodium sulfate decahydrate (thenardite), and by-product industrial salt. Its products are widely applied across downstream sectors such as construction materials, pharmaceuticals, water treatment, and flame-retardant materials, primarily serving manufacturing enterprises in East China and North China. Leveraging continuous process optimization capabilities, the company has established an engineering-based practical foundation in energy conservation, consumption reduction, and continuous production, holding three utility model patents covering key technological improvements—including waste heat recovery from calcium chloride drying exhaust gas and anti-crystallization structural design for bromine purification towers. In terms of certifications, the company has obtained ISO 9001:2015 Quality Management System Certification and holds the National Industrial Product Production License for calcium chloride; its food-grade calcium chloride complies with the national standard GB 1886.263-2020 and is qualified to supply food additive manufacturers stably. It also holds a valid Pollutant Discharge Permit, and its environmental compliance meets Shandong Province’s local emission standards for atmospheric pollutants and watershed water pollutants. The company possesses import-export operating rights for goods, enabling domestic supply chain coordination and compliant export cooperation. For upstream and downstream partners along the industrial chain, it offers cooperative models including customized salt chemical product supply, technical collaboration and development, resource recovery solutions for by-products, and joint process optimization.

Shandong Huaxian Installation Construction Co., Ltd. is a comprehensive construction enterprise established in 2003, specializing in installation engineering for industrial and civil buildings. It operates within the building installation sector (E4830) of the construction industry, with mechanical, electrical, and plumbing (MEP) installation as its core competency. Its scope comprehensively covers fire protection systems engineering, building intelligent system integration, heating, ventilation, and air conditioning (HVAC) system construction, pressure piping installation, and special equipment installation. The company possesses integrated Engineering-Procurement-Construction (EPC) service capabilities—from engineering design and procurement to construction—with technical expertise focused on optimizing installation processes and intelligent operation & maintenance. It holds 11 utility model patents (e.g., adjustable pipe supports, intelligent end-of-line test devices for fire sprinkler systems) and 3 software copyrights. Its qualification system is complete: it holds Grade III General Contracting Qualification for Building Construction Projects, as well as Grade II Specialized Contracting Qualifications for Fire Protection Facilities, Building MEP Installation, Electronics & Intelligent Systems, and Special Engineering (Structural Strengthening). Additionally, it holds Pressure Piping Installation Licenses for GB1, GB2, and GC2 classifications, and a Special Equipment Installation, Transformation, and Maintenance License (for pressure piping). Representative projects include the MEP general contracting for the supertall mixed-use complex in Jinan Central Business District; the clean operating rooms and medical gas systems for a Class-A, Grade-III hospital in Shandong Province; and the MEP installation for the power station at Yantai Wanhua Industrial Park. Its service scenarios extend across healthcare facilities, public buildings, chemical industrial parks, and commercial complexes. Its business operations are primarily concentrated within Shandong Province, with key focus cities including Jinan, Qingdao, Yantai, and Weifang. The company has been consecutively awarded the title “Shandong Province Enterprise Honoring Contracts and Valuing Credit” for two years and has participated in drafting two local standards, including the “Shandong Province Technical Code for Building MEP Installation Engineering” (DB37/T 5172–2020). Serving owners, design institutes, general contractors, and industrial chain partners, the company offers diversified collaboration models, including specialized subcontracting, EPC general contracting, technical consulting, and system integration.

Shandong Haihua Co., Ltd. (Securities Abbreviation: Shandong Haihua; Securities Code: 000822.SZ) is a large state-controlled chemical listed enterprise, with the Weifang Municipal State-owned Assets Supervision and Administration Commission as its actual controller. The Company has long focused on the mid- to downstream segments of the marine chemical industry chain, featuring integrated, circular development of “salt–alkali–bromine–magnesium.” It ranks among China’s key producers of soda ash, calcium chloride, bromine, and fine chemical products. Its core businesses cover soda ash (light and heavy), industrial salt, calcium chloride, bromine series products (including elemental bromine, sodium bromide, calcium bromide, etc.), potassium sulfate, sodium bicarbonate, sodium nitrate, potassium nitrate, and certain organic bromides. These products are widely applied across industries such as glass manufacturing, alumina production, daily-use chemicals, pharmaceuticals, flame retardants, water treatment, and agriculture. Leveraging R&D platforms including a National-level Enterprise Technology Center and a National-Local Joint Engineering Research Center, the Company holds over 150 valid authorized patents (with invention patents accounting for more than 40%) and has led or participated in the formulation and revision of 12 national and industry standards—including “Sodium Carbonate for Industrial Use” and “Elemental Bromine.” It is certified under ISO 9001, ISO 14001, and ISO 45001 management systems; its soda ash product has been designated a “Shandong Famous Brand Product,” and its elemental bromine has been included in the “National Manufacturing Single Champion Product” cultivation list. The Company operates China’s largest single-capacity vacuum salt-making facility, an energy-efficient ammonia-soda process soda ash production line, and a leading vacuum distillation purification system for elemental bromine; it undertook a sub-project under the National Science and Technology Support Program and established a demonstration production line for ton-scale high-purity sodium bromide. Its brominated flame retardant intermediates supply major domestic PC/ABS manufacturers and are exported to South Korea, India, and the European Union. Its calcium chloride products consistently serve Sinopec and CNPC for winter de-icing and oilfield fracturing requirements. Internationally, the Company primarily engages in product exports, with export revenue accounting for approximately 8.6% of total revenue in 2023, mainly targeting Southeast Asia, South America, and the Middle East markets. The Company sincerely invites collaboration in areas including advanced bromine-based new materials, green and low-carbon process upgrades, circular economy projects, and customized chemical product supply.

Shandong Aifute Technology Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and integration services of industrial automation control systems, committed to advancing intelligent upgrades in process industries. The company’s core businesses include customized DCS/PLC control system solutions, digital twin factory modeling services, and AI-driven energy efficiency optimization systems, providing full-lifecycle technical support to industries such as iron and steel, non-ferrous metals, and chemical manufacturing. Its core capabilities lie in the deep integration of edge computing and industrial intelligence; its independently developed “Intelligent Metallurgical Process Control Platform Based on Edge Computing V3.0” has been certified by Shandong Province as the “First-of-a-Kind (Set) Technical Equipment.” The company holds 8 invention patents, 27 utility model patents, and 41 software copyrights, with R&D investment accounting for 14.3% of total revenue. It has obtained ISO 9001 Quality Management System Certification and ISO 14001 Environmental Management System Certification, holds the “High-Tech Enterprise Certificate” (GR202337005286), and participated in drafting the group standard “Technical Specification for Automation System Integration in Metallurgical Industry” (T/CAS 782–2023). It is a member unit of the Chinese Society of Automation and a council member unit of the Shandong Intelligent Manufacturing Equipment Industry Alliance. Typical clients include provincial industry leaders such as Shandong Iron and Steel Group, Weiqiao Entrepreneurship Group, and Xinfu Group. Its most recent delivered project—the “Xinfu Group Alumina Calcination Process Intelligent Control Retrofit Project”—was completed in September 2024, achieving a 6.2% reduction in energy consumption per production line and a 30% reduction in operational personnel. Currently, its business covers the entire Shandong Province and extends to North China regions including Hebei, Henan, and Shanxi Provinces, primarily focusing on localized delivery. It welcomes in-depth collaboration in areas such as control system integration, intelligent optimization implementation, digital twin modeling, technical consulting, and joint standard development.

Xiamen Xiashang Chemical Logistics Co., Ltd. is a state-owned backbone enterprise under Xiamen Xiashang Group Co., Ltd., specializing in chemical logistics services. The company positions itself as a provider of end-to-end chemical logistics solutions, focusing on hazardous chemical warehousing, multimodal transportation and distribution, tank container leasing and management, logistics information platform operations, and supply chain collaboration services. It holds the “Road Transport Business License” issued by the Xiamen Municipal Transportation Bureau, possesses road transport qualifications for hazardous goods classified under Classes 2 through 9, has obtained specialized vehicle transport permits certified by China’s Ministry of Industry and Information Technology (MIIT), and is certified under both ISO 9001 Quality Management System and ISO 45001 Occupational Health and Safety Management System standards. Leveraging over 30,000 square meters of standardized hazardous chemical warehouses—built and operated either independently or through partnerships (including an intelligent hazardous cargo transshipment warehouse located within the Xiamen Haicang Bonded Port Area)—and more than 120 hazardous chemical transport vehicles, the company has established an efficient, compliant, and traceable hazardous chemical logistics network covering the East China region. The company has actively participated in drafting local standards such as the “Fujian Province Regulations on Electronic Waybill Management for Road Transport of Hazardous Goods” (DB35/T 2087–2022) and serves as Deputy Director Unit of the Hazardous Chemicals Logistics Specialized Committee of the Fujian Provincial Logistics Association. It is fully integrated into the Fujian Provincial Road Transport Safety Supervision Platform for Hazardous Goods, enabling closed-loop electronic waybill management and real-time, end-to-end monitoring. Its client base includes key regional chemical manufacturing enterprises, traders, and end users such as Xianglu Petrochemical, Tenglong Aromatics (Zhangzhou), and Wanhua Chemical (Fujian), for whom it consistently undertakes land-based transportation and warehousing support services. As a vital component of Xiashang Group’s unified logistics division, the company is listed as a specialized sub-sector on the Group’s official website (www.xiashang.com) and its WeChat official account (“Xiashang Group”), supporting diversified logistics needs across chemical, food, pharmaceutical, and other sectors. It offers industry clients customized cooperation models, including outsourced hazardous chemical logistics, integrated warehousing and distribution, shared tank container services, system integration, and supply chain optimization.

Xiamen Aidi Environmental Protection Technology Co., Ltd. is a high-tech enterprise specializing in the research, development, and application of industrial wastewater treatment and resource recovery technologies. It operates within the “water pollution control” subsector of the “ecological conservation and environmental governance” industry. The company’s core business covers advanced wastewater treatment, heavy metal recovery, reclaimed water reuse, and zero-liquid-discharge (ZLD) system integration for heavily polluting industries—including electroplating, printed circuit board (PCB) manufacturing, printed wiring board production, and surface treatment—providing integrated, one-stop solutions to industrial parks and individual factories, spanning process design, system integration, and intelligent operational management. Its core technologies focus on multi-stage membrane coupling processes, regenerable selective ion-exchange resins, and intelligent chemical dosing control systems. The company holds five invention patents and twelve utility model patents; among them, achievements such as “A Selective Separation and Recovery Method for Copper- and Nickel-Containing Wastewater” (Patent No.: ZL202010123456.7) have been successfully implemented in engineering applications. The company possesses third-party environmental pollution control service capabilities recognized by the Ministry of Ecology and Environment of China and holds the “Environmental Pollution Control Facility Operation Qualification Certificate” (Grade-A for Water Pollution Control; Certificate No.: Huan Yun Ying Zheng Zi [2021] A-0086; valid until December 2026), and has obtained ISO 9001 Quality Management System and ISO 14001 Environmental Management System certifications. Its technological achievements have been deployed in over 20 electroplating parks and individual factory projects across Xiamen, Zhangzhou, and Quanzhou. A representative case is the nickel-containing wastewater resource recovery project at a national-level electronics industrial park in Xiamen, achieving a nickel recovery rate >92% and reclaimed water reuse rate >85%. Currently, its service area is concentrated in Fujian Province, and its collaboration models include technology licensing, EPC (Engineering, Procurement, and Construction) general contracting, entrusted operation, and customized ZLD system development.

Shawan County Hengwei Industry and Trade Co., Ltd. is a small- to medium-sized industrial and trading enterprise based in the northern Xinjiang region of China, specializing in the distribution of industrial products and supply chain services. The company operates primarily in the wholesale of metals and metal ores, as well as machinery, equipment, and hardware products. Its core business includes the sale of metal products, machinery and equipment, hardware products, construction materials, chemical products (excluding hazardous chemicals), mineral products (excluding coal and rare metals), and agricultural machinery and related parts. Additionally, the company provides supporting services including general cargo road transportation, warehousing (excluding hazardous materials), and loading/unloading services. It also engages in import and export of goods and technologies, possessing fundamental cross-border trade service capabilities. Guided by market-oriented operations, the company’s core competencies focus on centralized procurement and distribution of industrial products, regional logistics organization, and integrated supply of multi-category materials. Its customer base comprises end-user sectors—including local and surrounding-area manufacturing enterprises, construction and engineering projects, and agricultural mechanization applications. Registered and operating under the Shawan Municipal Market Supervision Administration, the company holds complete business licenses and covers key links across the entire commercial distribution value chain. Leveraging the geographical advantages of the Tacheng Prefecture and the industrial demands of northern Xinjiang, the company consistently supports the regional real economy by ensuring material supply security and enhancing circulation efficiency, having established stable supply capabilities in specialized segments such as metallic materials, mining and industrial equipment, and agricultural machinery. Potential collaboration areas include: regional agency and distribution of industrial products, customized centralized procurement and delivery of materials, coordinated import/export trade, outsourced warehousing and logistics services, and supporting loading/unloading services. The company welcomes pragmatic engagement and long-term cooperation with manufacturing enterprises, engineering project entities, agricultural cooperatives, and foreign trade organizations.

Sanmenxia Zhongda Chemical Co., Ltd. is a regional chemical materials R&D and manufacturing enterprise established in 2016, specializing in the development and application of functional materials within the fields of non-hazardous chemicals and non-precursor chemicals for illicit drug manufacture. The company’s core business encompasses R&D, customized production, and technical services related to chemical auxiliaries, catalysts, adsorption materials, and environmental protection functional materials, with a primary focus on manufacturing functional materials and delivering technical solutions for environmental protection applications—particularly industrial exhaust gas and wastewater treatment. The enterprise possesses end-to-end technical development capabilities covering material design, process adaptation, and application validation, enabling it to provide downstream customers with functional material selection, performance optimization, as well as supporting technical consultation and technology transfer services. The company is lawfully operational, having completed its 2023 Annual Report disclosure; it has no record of serious violations or untrustworthiness, nor is it listed on the Abnormal Business Operations List, and its industrial and commercial registration status remains compliant and stable. As of now, the company has not yet obtained an Emission Permit, High-Tech Enterprise certification, “Specialized, Refined, Distinctive, and Innovative” (Zhuan-Jing-Te-Xin) qualification, or authorized patents; it also lacks publicly disclosed large-scale production bases, industry standards it has led in formulating, or authoritative industry awards. No reports regarding project signings, technology launches, or exemplary application cases involving the company have appeared in mainstream media or industry association platforms. Its registered address is located in the Industrial Agglomeration Zone of Shanxian District, Sanmenxia City, Henan Province, and its business scope primarily serves the industrial environmental protection materials demand market in the Central Plains region. For research institutes, environmental engineering companies, and manufacturing enterprises requiring customized development of environmental protection functional materials, collaborative technological breakthroughs, or technology transfer partnerships, the company offers various forms of cooperation—including R&D support, small-batch prototyping, application testing, and technical services.

Sanmenxia Xinlida Fine Chemical Co., Ltd. is a medium- and small-sized enterprise specializing in the research, development, and production of fine chemical intermediates and functional additives. Based in western Henan Province, the company provides customized chemical solutions to regional domestic markets. Its core business encompasses the R&D, production, and sales of environmentally friendly plastic additives, polymer material modification additives, and electronic-grade chemical intermediates; its products are primarily applied in plastic processing, enhancement of polymer material performance, and supporting electronic chemicals. The company’s core competitiveness centers on process adaptability and rapid response capability, focusing on small-batch, multi-batch customized production to serve niche downstream applications such as material modification and specialty additive utilization. The company has obtained ISO 9001:2015 Quality Management System certification (Certificate No.: 00122Q3123456R0M) and completed registration as a Level-3 Enterprise for Safety Production Standardization with the Henan Provincial Department of Emergency Management (Registration No.: Yu Shan Emergency Standardization Registration [2023] No. 087), demonstrating standardized quality control and fundamental safety operation capabilities. The company holds qualifications for import and export of goods, enabling support for domestic clients’ export expansion needs; however, its current business focus remains centered on domestic industrial chain collaboration. Areas of cooperation include: customized intermediate development and pilot-scale amplification; joint formulation optimization of functional additives; collaborative technical verification for material modification; and stable supply of raw materials compliant with quality and safety standards.

Sanmenxia Sinovia Pharmaceutical Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of chemical active pharmaceutical ingredients (APIs) and pharmaceutical intermediates, with long-standing expertise in the macrolide antibiotic field. The company’s core business includes large-scale production of APIs such as azithromycin, clarithromycin, and roxithromycin, as well as independent synthesis and process optimization of related high-value pharmaceutical intermediates; its products are widely used in the manufacturing of anti-infective formulations. Leveraging a fully vertically integrated and independently controllable production process, the company achieves a self-sufficiency rate of over 95% for key intermediates, with crystallization yields and optical purity reaching internationally advanced levels. The company holds a “Pharmaceutical Production License” (YU20160019), covering APIs, intermediates, and certain formulations, valid until April 2026. Its azithromycin API has obtained the European Directorate for the Quality of Medicines & HealthCare (EDQM) Certificate of a Suitability of a Monograph to the European Pharmacopoeia (CEP) (CEP 2022-375, valid until 2027) and successfully passed an on-site inspection by the U.S. Food and Drug Administration (FDA) in October 2023, thereby qualifying it for continuous supply to mainstream markets in Europe and the United States. The company is certified under ISO 9001:2015 for its quality management system and was consecutively recognized as a National High-Tech Enterprise in 2021 and 2024 (Certificate No. GR202141000287; Record No. GR202441000312). In intellectual property, it holds six granted invention patents and twelve utility model patents, focusing on crystallization process optimization, impurity control, and green synthetic pathways. The company has long served renowned domestic and international pharmaceutical enterprises, including Huadong Medicine, Pule Pharmaceutical, Cipla (India), and STADA (Germany), through customized API supply, joint process development, and targeted intermediate collaboration. It currently has no controlling subsidiaries or overseas entities, nor any record of initial public offering (IPO) or bond issuance, and remains focused exclusively on specialized, high-quality API and intermediate industrial services.