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Dalian Aode Ecological & Environmental Protection Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in comprehensive ecological and environmental management and the application of low-carbon technologies. Its core business covers advanced treatment of industrial wastewater, resource recovery from high-concentration organic waste liquids, synergistic control of VOCs pollution, soil and groundwater remediation, as well as carbon reduction pathway planning and the development of digital environmental management platforms. The company provides end-to-end services—from technology R&D and engineering design to EPC general contracting and intelligent platform operation and maintenance. The company’s clients are primarily concentrated in heavily polluting industries such as pharmaceuticals, chemical parks, new materials, and fine chemicals. In particular, it has developed technical expertise tailored to specific scenarios including targeted conversion of ammonia nitrogen in pharmaceutical wastewater, remediation of permafrost soils during freeze-thaw cycles in cold regions, and full-process VOCs management at the park level. The company’s core technologies include the “Multiphase Flow Coupled Oxidation-Gradient Biofilm Reactor (MBR-EO)” process package, which has achieved stable operation at a scale of 8,000 m³/d and meets Class I A emission standards. The company holds 7 authorized invention patents, 19 utility model patents, and 12 software copyrights. Its independently developed “OdEco-Sense” environmental intelligent monitoring and carbon-efficiency assessment platform has been deployed in six provincial-level parks, including the Dalian Changxing Island Economic Development Zone and the Yingkou Coastal Industrial Base, and is connected to the Ministry of Ecology and Environment’s National Pollutant Discharge Permit Management Information Platform. The company holds a Grade B specialized design qualification for environmental engineering (water pollution control engineering and pollution remediation engineering) (A221008724) and a Grade II professional contracting qualification for environmental protection engineering (D221025022). It has also obtained ISO 9001, ISO 14001, and ISO 45001 certifications and has been included in the list of encouraged enterprises under the Ministry of Ecology and Environment’s “Normative Conditions for the Manufacturing of Environmental Protection Equipment” (second batch, 2024). Typical project achievements include the effluent upgrading and renovation project for the Pharmaceutical Industry Park in Benxi High-Tech Zone, Liaoning Province (completed in 2023), and the upgrade and renovation project for the supporting wastewater treatment plant at the QingShan Industrial Park in Indonesia (contract value: RMB 21.8 million, scheduled for completion in 2025, delivered via modular skid-mounted equipment). The latter project marks the company’s capability to provide EPC general contracting services targeting the Southeast Asian market. The company has obtained the Certificate of Qualification for Foreign Contracting Engineering (Liao Wai Jing Zi [2022] No. 037) and has signed a memorandum of cooperation with the Environmental Research Center of the National Academy of Sciences of Belarus on cold-region remediation technologies, supporting various forms of collaboration such as technology licensing plus engineering implementation, joint bidding, and localized delivery.

Dalian Aoshenglong New Materials Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a new materials technology promotion and trading service enterprise established in November 2017 and continuously operating, with a registered capital of RMB 5 million. The company’s core business focuses on promoting the suitability of metal materials and metal products for applications in chemical industry-related scenarios. Its service scope covers coal chemical industry, supporting equipment for petrochemical facilities, upgrading and renovation of fine chemical plants, and material selection for environmental protection engineering projects; it also engages in import and export of goods and technologies. Its core capabilities include screening, matching, and localized coordination services for new materials technology solutions. Based on customer requirements, it provides comparative analysis of metal material performance parameters, recommendations regarding corrosion resistance and operational condition suitability, reference lists for import substitution, and supply chain channel support, covering general industrial applications under ambient to medium temperatures (≤400°C) and conventional pressure ratings.

Dalian Anruisen Special Gases & Chemicals Co., Ltd., located in the Jinpu New Area of Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research and development, production, filling, analytical testing, and customized supply of electronic specialty gases, ultra-high-purity industrial gases, and associated chemicals. It is a member unit of the Electronic Specialty Gases Branch of the China Electronic Materials Industry Association. The company’s registered capital and paid-in capital both amount to RMB 120 million. In 2024, it was selected for Liaoning Province’s list of “Specialized, Refined, Distinctive, and Innovative” (SRDI) small- and medium-sized enterprises.  

The company’s core business covers continuous fractional distillation purification, ultra-clean filling, ppb-level trace impurity control, and process compatibility services for electronic specialty gases—including electronic-grade tungsten hexafluoride (WF₆), boron trichloride (BCl₃), silicon tetrafluoride (SiF₄), and ultra-high-purity ammonia (NH₃)—specifically tailored for integrated circuit (IC) manufacturing. Its primary customers include 12-inch wafer fabrication facilities such as SMIC, Yangtze Memory Technologies Co., Ltd. (YMTC), and CXMT, serving both logic and memory chip production lines.  

Its core capabilities include: development of electronic specialty gas manufacturing process packages based on 12 invention patents (e.g., ZL202010123456.7—“Method for Fractional Distillation Purification of Boron Trichloride”) and 28 utility model patents; full-process quality control enabled by a complete suite of ultra-clean analytical equipment—including ICP-MS, GC-MS, and FTIR; and compliance with international safety standards SEMI S2/S8. The company has established the Liaoning Provincial Engineering Technology Research Center for Electronic Specialty Gases, offering end-to-end delivery—from product validation and mass supply to localized technical support.  

The company has obtained certification for the three major management systems: ISO 9001, ISO 14001, and ISO 45001. It holds the following licenses and certificates: the Work Safety Production License (Liaoning WH Anxu Zheng Zi [2022] No. 020064), the Hazardous Chemicals Business License (Liaoning WH Jing Zi [2025] No. 020021), and the Special Equipment Use Registration Certificate (cylinder filling category). It has led the formulation of two industry association standards: “Electronic Specialty Gas—Tungsten Hexafluoride” (T/CNMEA 0037–2022), among others.  

Representative achievements include providing a full-process domestic substitution solution for electronic specialty gases to China’s first 12-inch logic chip production line, and undertaking Subproject JC20220108 (“Key Manufacturing Technology Development for Electronic Specialty Gases”) under the Ministry of Industry and Information Technology’s (MIIT) 2022 Industrial Foundation Rebuilding Project.  

Its service coverage spans the Yangtze River Delta, Beijing-Tianjin-Hebei, Guangdong-Hong Kong-Macao Greater Bay Area, and central/western China integrated circuit industry clusters. Its products are exported to packaging and testing enterprises in Vietnam, Malaysia, and Singapore. In 2025, the company completed the localization of technical support operations at its Busan, South Korea, gas analysis laboratory, enabling multiple forms of collaboration—including technical cooperation, joint verification, standard alignment, and cross-border supply chain coordination.

Dalian Anruisen Special Gas Chemicals Co., Ltd., located in the Dalian High-Tech Industrial Development Zone, Liaoning Province, is a national high-tech enterprise specializing in the research and development, production, filling, analytical testing, and customized supply of electronic specialty gases, ultra-high-purity industrial gases, and functional chemicals. The company operates within the “electronic-specific material manufacturing” subsector (C3985) of the new materials industry and is currently in a phase of scaled growth. Its core business encompasses in-house purification, filling, analysis, and on-site gas supply system integration services for key electronic specialty gases—including electronic-grade nitrogen trifluoride (NF₃), tungsten hexafluoride (WF₆), and silane (SiH₄)—primarily targeting the integrated circuit (IC) manufacturing sector and supporting critical process steps such as etching and deposition at 12-inch wafer fabs. The company possesses mass-production capability for electronic specialty gases with purity up to 6N (99.9999%), underpinned by its proprietary “multi-stage adsorption–cryogenic distillation coupled purification process” and a technology system supported by 12 invention patents. It has established China’s first domestically developed industrial-scale WF₆ production line (300 tons/year) and independently developed online monitoring systems capable of detecting trace metal impurities (<10 ppt) and particulates (<1 particle/mL @ 0.1 μm), which have already been deployed at on-site gas supply stations of multiple leading wafer fabs. The company has obtained certification for the three major management systems—ISO 9001, ISO 14001, and ISO 45001—and holds the “Work Safety Production License,” “Hazardous Chemicals Business License,” and “Gas Cylinder Filling License.” Its core products have passed SEMI S2/S8 international safety certifications; certain production lines comply with the SEMI F57 purity control specification. As a principal drafting entity, the company participated in formulating the national standard GB/T 38377–2019 and led the development of the group standard T/CCSAS 033–2023. Representative achievements include: providing long-term, stable NF₃ supply to Semiconductor Manufacturing International Corporation (SMIC), Yangtze Memory Technologies Co., Ltd. (YMTC), and ChangXin Memory Technologies, Inc. (CXMT) (service duration exceeding five years); completing WF₆ qualification for SK Hynix’s Wuxi facility; and delivering the NF₃ on-site gas supply system for Singapore’s Fab23 project (annual supply volume exceeding 80 tons per project). The company maintains two major production bases in Dalian and Nantong on the Chinese mainland, as well as application technical support centers in Shanghai and Shenzhen. Its products are exported to nine countries, including South Korea, Japan, Vietnam, and Malaysia; overseas revenue accounted for 23.7% of total revenue in 2025. The company holds export qualifications for markets including the European Union and Southeast Asia and supports technology licensing plus engineering implementation, consortium collaboration, and cross-border EPC integrated delivery.

Dalian Amins Chemical Co., LTD., founded in June 2022, is located in Songmu Island Chemical Park, Puwan New District, Dalian.
The company is mainly engaged in the research and development, production and sales of special fatty amines. In accordance with the requirements of Dalian Municipal Government for the transformation and upgrading of chemical industry, the company strives to realize the transformation and upgrading of products, forming the advantages of fine technology, high value, wide demand and high profit of chemical products of the company, and upgrading the factory area to meet the production of special amine and methyl benzoic acid products. The implementation of the project will promote the development of the regional fine chemical industry to scale and deepen, effectively realize the integration and utilization of regional resources, truly drive the revitalization of the industry and the development of related industries, and inject new vitality into the revitalization of the old industrial base in Northeast China. After the completion of the project transformation, it is expected that the annual output of 37,000 tons of special fatty amine and 10,000 tons of methyl benzoic acid series products. Company will have a complete industrial chain and obvious market competitiveness, and will become the largest producer of n-octylamine and 3-ethoxypropylamine in Asia.

Dagong Shengyuan Smart Environmental Protection Technology (Luoyang) Co., Ltd. was established on July 1, 2021, with its registered address at No. 265, Kaiyuan Avenue, Guxiang Town, Luolong District, Luoyang City, Henan Province. Li Haitao is the legal representative. Its business scope includes:  
General Projects: R&D of harmless and resource-efficient utilization technologies for agricultural and forestry waste; R&D of energy recovery systems; technical consulting services for resource recycling and utilization; technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; manufacturing of bio-based materials; manufacturing of plastic products; processing of biomass fuels; R&D of resource regeneration and reuse technologies; installation services for general mechanical equipment; R&D of carbon emission reduction, carbon conversion, carbon capture, and carbon sequestration technologies; environmental protection consulting services; manufacturing of specialized environmental protection equipment; sales of agricultural and sideline products; internet sales (excluding goods requiring permits); acquisition of primary agricultural products (except for projects subject to mandatory approval, operations may be conducted independently in accordance with the business license, as permitted by law).  
Licensed Projects: Commercial urban domestic waste management services (projects subject to mandatory approval shall be conducted only after obtaining approval from relevant authorities; specific business items shall be determined according to official approval documents or licenses issued by competent authorities).  
Dagong Shengyuan Smart Environmental Protection Technology (Luoyang) Co., Ltd. has made external investments in three companies.

Dachaidan Leqing Technology Chemical Co., Ltd. was established on April 21, 2014, and is located in the Yinmaxia Industrial Park, Dachaidan Administrative Committee, Haixi Prefecture, Qinghai Province. The company primarily engages in the manufacturing of chemical raw materials and chemical products, producing dyes, H-acid monosodium salt, and other products. In September 2023, the company was selected as a candidate for commendation as an Outstanding Private Enterprise in Qinghai Province. As of 2024, the company has passed clean production audits and has invested a cumulative total of RMB 1,239,500 in water-saving and emission-reduction measures.  

The company’s business scope includes the production and sale of chemical products and dyes; in October 2023, fertilizer sales were added as a new business line. In July 2024, the company commenced Phase I of its annual 3,000-ton dispersed dye project, with an expected annual output of 600 tons of Disperse Yellow. As of February 2023, the company employed over 200 people, including 10 senior engineers. In September 2023, the company was included in the list of candidates for commendation as an Outstanding Private Enterprise in Qinghai Province. As of 2025, the company holds 5 trademark registrations, 11 patent registrations, and 7 qualification certificates. The company’s legal representative is Shao Jifu; as of 2025, the company has made external investments in four enterprises and exercises control over three enterprises. In 2019, the number of employees covered by social insurance was 191.

Chifeng Shan Jin Yin Qian Co., Ltd. was established on May 24, 2011, with its registered address located in the Fenghuangshan Industrial Park, Balin Left Banner, Chifeng City, Inner Mongolia Autonomous Region. The company’s registered capital amounts to RMB 701 million and it is a provincial state-owned high-tech enterprise controlled by Shandong Gold Group Co., Ltd. The company primarily engages in non-ferrous metal smelting—including lead, gold, and silver—as well as the production of hazardous chemicals. Its annual production capacity stands at 100,000 tons of electrolytic lead, 120 kilograms of gold, and 150 tons of silver. It employs the “oxygen bottom-blowing smelting–bottom-blowing electric-thermal molten reduction–electrolytic refining” process system.

The company’s predecessor was the Chifeng Chaihulanzi Gold Mine, founded in 1983, which was incorporated into Shandong Gold Group in 2008. The Fenghuangshan Industrial Park project, completed and put into operation in 2014, involved a total investment of RMB 1.34 billion and was included in the national green mine directory in 2019. By applying circulating water electrochemical treatment, novel water-saving cooling towers, and cooling tower steam recovery technologies, the company reduced its water consumption per unit of electrolytic lead output to 3.18 m³/t, achieving an industrial water reuse rate of 99.7%; in 2024, it was recognized as a national water efficiency leader. The company has successively obtained certifications including National High-Tech Enterprise and Inner Mongolia Green Manufacturing Demonstration Unit. The Chifeng Shan Jin Yin Qian Co., Ltd. project adopts the “oxygen bottom-blowing smelting–bottom-blowing electric-thermal molten reduction–electrolytic refining” new technology—a domestically developed, independently intellectual property-protected process strongly promoted by the Chinese government—featuring advanced process technology, energy conservation, environmental protection, and high automation levels. Its designed annual production capacity includes 100,000 tons of electrolytic lead, 120,000 tons of sulfuric acid, 150 tons of silver, 120 kilograms of gold, 2,000 tons of copper sulfide, and 17,000 tons of zinc. The company places high importance on enterprise management, scientific and technological innovation, talent development, and environmental protection initiatives. With robust technical capabilities, it leads the nation in research and application of resin-loaded gold extraction technology and currently operates China’s largest-scale and most technologically advanced resin-loaded gold extraction mineral processing plant. In 2019, the company successfully entered the national green mine directory and has since received numerous honors, including National High-Tech Enterprise, Advanced Collective of China’s Gold Industry, Healthy Enterprise of the Inner Mongolia Autonomous Region, Level-II Standardized Construction Pilot Unit for Mineral Processing Plants in the Inner Mongolia Autonomous Region, “Standard-Leading Unit for High-Quality Development of China’s Mining Industry (2020 Annual),” and Vice-Chairman Unit of the Green Mine Promotion Conference.

Chifeng Ruiyang Chemical Co., Ltd. is a wholly owned subsidiary of Guizhou Zhongyida Co., Ltd. (A-share code: 600610; B-share code: 900906). The company is an autonomous region-level leading enterprise in agricultural and animal husbandry industrialization engaged in deep processing of corn, a seasoned research and development unit and professional manufacturer of polyols, and specializes in producing edible alcohol, pentaerythritol, trimethylolpropane, and other related products. The company is a national high-tech enterprise, a national green factory, an autonomous region-level science and technology leading enterprise, an autonomous region-level “specialized, refined, distinctive, and innovative” small and medium-sized enterprise, and an autonomous region-level intellectual property advantage enterprise. It hosts four autonomous region-level innovation platforms: an autonomous region-level enterprise technology center, an autonomous region-level polyol engineering technology research center, an autonomous region-level key laboratory for chemical new materials, and an autonomous region-level achievement transformation and demonstration base; one Chifeng Municipal Key Laboratory; and two institutional innovation platforms—the Polyol Chemical New Materials Innovation Center of Chifeng Ruiyang Chemical Co., Ltd. under the Inner Mongolia Institute of Shanghai Jiao Tong University, and the Eco-Friendly Materials Research Center of the State Key Laboratory for Efficient Utilization of Low- and Medium-Grade Phosphate Rock and Its Associated Resources. Its flagship product, pentaerythritol, boasts advantages including high technological content, diverse varieties, superior quality, and low cost, and is sold extensively in 41 developed countries and regions—including Europe, the United States, and Japan—as well as in 27 provinces and municipalities within China.

Chifeng Chaihulanzi Gold Mining Co., Ltd. was established on September 29, 2003. Its registered address is Chaihulanzi Village, Chutoulang Town, Songshan District, Chifeng City, Inner Mongolia Autonomous Region. Ma Yinyu serves as its legal representative.  

Business scope:  
Permitted projects: Non-coal mine mineral resource extraction; road freight transport (excluding hazardous goods). (Projects subject to statutory approval may only be conducted upon approval by relevant authorities; specific business activities shall be carried out strictly in accordance with the approval documents or licenses issued by competent authorities.)  
General projects: Mineral washing and sorting processing; precious metal smelting; steel and iron smelting; smelting of common non-ferrous metals; ore beneficiation; sale of gold and silver products; sale of metallic ores; sale of non-metallic minerals and related products; processing of construction stone; sale of metal materials. (Except for projects requiring statutory approval, all other business activities shall be conducted independently and lawfully based on the business license.)  

Chifeng Chaihulanzi Gold Mining Co., Ltd. holds equity investment in one external company. Located within Chutoulang Town, Songshan District, Chifeng City, Inner Mongolia Autonomous Region—45 kilometers from downtown Chifeng—the company enjoys convenient transportation and operates as a modern gold mine integrating mining, ore beneficiation, and metallurgy. It is the first gold mine in the Inner Mongolia Autonomous Region capable of directly producing refined gold bullion.  

The company’s predecessor was the Chifeng Chaihulanzi Gold Mine, founded in 1983. By the end of 2008, its production capacity had reached 180 tons per day, with cumulative gold output exceeding five tons, generating substantial economic and social benefits. The enterprise has repeatedly been honored as an advanced unit at national, autonomous region, municipal, and district levels, receiving over 100 awards. In December 2008, after Shandong Gold Mining Co., Ltd. acquired the Chaihulanzi Gold Mine, production capacity was upgraded and expanded. A domestic-leading resin-based gold recovery ore beneficiation plant was constructed, achieving daily mining and beneficiation capacity exceeding 800 tons. Significant improvements have also been achieved in geological prospecting, occupational safety, energy conservation and emission reduction, and environmental remediation. The company’s current total assets amount to RMB 258 million, with proven geological reserves exceeding 15 tons. In 2011, it produced 600 kilograms of gold, generating operating revenue of RMB 197 million, reflecting robust and rapid enterprise development.  

The company adheres to the core values of “care, fairness, loyalty, and responsibility” and pursues the ultimate goal of “ensuring that as many individuals and as broad a range of stakeholders as possible benefit from the existence of Shandong Gold Group.” Committed to its “talent-driven enterprise” development strategy, the company has established platforms supporting talent growth and warmly welcomes graduates capable of adapting to the natural environment of the mining industry to join Shandong Gold Group and Chaihulanzi Gold Mine to jointly advance development initiatives.