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Hebei Delong Environmental Engineering Co., Ltd. is a high-tech enterprise specializing in industrial environmental protection and governance. Leveraging the in-depth industry scenarios and engineering practices of Delong Iron and Steel Group in the iron and steel sector, the company is dedicated to providing systematic environmental engineering services to energy-intensive industries such as iron and steel, coking, and power generation. Its core business covers flue gas desulfurization and denitrification, VOCs (volatile organic compounds) control, ultra-low emission retrofitting for dust removal, zero-discharge wastewater treatment, and resource utilization of solid waste, forming an integrated capability spanning “technology R&D—equipment integration—EPC general contracting—operation & maintenance services.” The company holds Grade I qualification for environmental engineering professional contracting, Grade I qualification for pollution control facility operation and service (atmospheric), and Grade III qualification for general contracting of construction engineering; it has also obtained certification for the three major management systems: ISO 9001, ISO 14001, and ISO 45001. It operates the “Hebei Provincial Technology Innovation Center for Collaborative Control of Multiple Pollutants in Industrial Flue Gas,” recognized by the Hebei Provincial Department of Science and Technology, and has secured over 60 authorized patents, including 12 invention patents. Its technological achievements have been successfully applied in projects such as the integrated active coke-based flue gas desulfurization and denitrification project for the two 360 m² sintering machines at Xingtai Delong Iron and Steel Co., Ltd. (a key provincial environmental demonstration project in Hebei Province) and ultra-low emission retrofits for in-house production lines at Tianjin New Tian Steel United Special Steel Co., Ltd., achieving stable operation with particulate matter emissions <5 mg/m³, SO₂ <20 mg/m³, and NOx <40 mg/m³ at sintering machine exhaust stacks. The company participated in drafting two group standards, including the “Technical Specification for Flue Gas Denitrification Engineering in Iron and Steel Enterprises” (T/CCSAS 013-2022). In 2023, it was selected as a Hebei Province “Specialized, Refined, Distinctive, and Innovative” (Zhuan Jing Te Xin) small and medium-sized enterprise; in 2024, it passed the national high-tech enterprise re-examination. Currently, its service coverage includes Hebei, Shandong, Jiangsu, Inner Mongolia, and other regions. It has launched third-party environmental protection entrusted operation services, with collaboration directions encompassing EPC general contracting, specialized operation & maintenance entrustment, integrated technology and equipment supply, and full-lifecycle solutions for environmental protection upgrades and retrofits.

Hainan Jinhai Pulp & Paper Co., Ltd. is a large-scale integrated forestry-pulp-paper enterprise fully invested by Asia Pulp & Paper (APP) Group. It is a key forestry-paper integration project supported by the Chinese government during the “Tenth Five-Year Plan” period, positioned as a modern pulp and paper production base in South China and a demonstration unit for regional circular economy. The company’s core business includes research, development, production, and sales of chemical wood pulp, high-end cultural papers, industrial papers, and household tissue papers. Its products are widely applied in textbooks and teaching aids, as well as high-end printing and publishing (e.g., “Jindong” and “Asia Pacific Resources Group” series); contract manufacturing of household tissue papers for major domestic supermarkets and e-commerce platforms (serving brands such as “Vinda” and “Qingfeng”); and industrial packaging requirements for high-end manufacturing sectors including new-energy vehicles and medical devices. Relying on its 1.2 million mu (approximately 200,000 acres) self-operated raw material forest base, the company has established a sustainable resource security system based on the principle of “using forests to sustain paper production and using paper production to promote afforestation.” Technologically, it employs internationally advanced clean production processes—including continuous cooking, ECF (elemental chlorine-free) bleaching, and fully closed white water recycling—with key equipment sourced from Voith (Germany) and Metso (Finland). To date, the company has obtained over 130 national patents, approximately 32% of which are invention patents. It holds certifications for ISO 9001, ISO 14001, and ISO 45001 management systems; possesses the National Industrial Product Production License, Pollutant Discharge Permit, Forestry Seed Production and Business License, and certification as a National High-Tech Enterprise (valid until December 2025); and has led or participated in formulating five national and industry standards. Representative projects include China’s first single-line chemical wood pulp production line with an annual capacity exceeding one million tons; a 600,000-ton high-end cultural paper project; and a green, low-carbon technological upgrading project (including ultra-low emission retrofitting of black liquor recovery furnaces, reclaimed water reuse rate exceeding 92%, and a 22 MW photovoltaic power generation system). Its business covers the domestic market and extends to export markets in parts of Southeast Asia, the Middle East, and Africa. The company is capable of providing upstream and downstream industrial chain partners with raw material supply, joint R&D, green technological upgrades, and customized paper product solutions.

Haidewei Technology Group (Qingdao) Co., Ltd. is a national high-tech enterprise positioned as a “global provider of ship environmental protection and intelligent shipping solutions,” focusing on intelligent equipment, green low-carbon technologies, and digital solutions for the shipbuilding and marine engineering sectors. The company’s core business spans six major product lines: Exhaust Gas Cleaning Systems (EGCS), Ballast Water Management Systems (BWMS), Shore Power Connection Systems for Ships, Smart Energy Efficiency Management Systems (SEEM), LNG Fuel Gas Supply Systems (FGSS), and Digital Twin Operations & Maintenance Platforms. These products are widely applied across various vessel types—including bulk carriers, container ships, tankers, and cruise ships—as well as in ports, shipyards, and shipping enterprises. Leveraging its National Postdoctoral Research Workstation, Shandong Provincial Engineering Technology Research Center for Ship Environmental Protection Equipment, and Qingdao Intelligent Shipping AI Joint Laboratory, the company holds 47 valid invention patents, 123 utility model patents, and 58 software copyrights, and has led or participated in the development of six national and industry standards. Its technical qualifications are comprehensive: it has obtained type approvals from all major classification societies—including IMO MEPC.259(68), USCG, DNV, LR, ABS, BV, and NK. Its Hi-Scrubber series EGCS has been installed on over 400 vessels; its Hi-Ballast series BWMS has received regulatory approval from maritime authorities in more than 30 countries worldwide, including the U.S. Coast Guard’s (USCG) final type approval certificate. Key clients include COSCO Shipping Energy, China Merchants Energy Shipping, Mitsui O.S.K. Lines (MOL) of Japan, and Hapag-Lloyd of Germany. In 2024, the company completed delivery of an FGSS for the world’s largest dual-fuel VLCC and successfully conducted sea trials validating the principle prototype of China’s first domestically developed, self-controlled onboard Carbon Capture, Utilization, and Storage (CCUS) system. Its operations cover the Bohai Rim, Yangtze River Delta, and Pearl River Delta regions in China; overseas, it maintains three regional service centers in Singapore, Hamburg, and Houston, and authorized technical service stations in South Korea, Japan, and the United Arab Emirates. Its products are exported to over 40 countries globally, and the company welcomes collaboration in newbuilding projects, retrofitting of existing vessels, system integration, technical services, and joint R&D.

Haicheng Lichi Carbon Materials Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of specialty carbon materials. It belongs to the industry of “manufacturing of other non-metallic mineral products” and focuses on the mid-to-high-end carbon product segment. The company’s core businesses include high-purity graphite electrode blanks, isostatically pressed graphite, microporous carbon bricks, and customized carbon/carbon composite components. Its products are widely applied in industrial scenarios demanding stringent material purity, structural stability, and high-temperature resistance—such as photovoltaic monocrystalline silicon furnace thermal field systems, semiconductor high-temperature process equipment, vacuum high-temperature furnaces, and metallurgical refractories. The company possesses end-to-end in-house production capabilities covering raw material purification, mixing and kneading, forming, baking, impregnation, and graphitization. It operates an independently built graphitization furnace cluster capable of reaching up to 3,000°C and an isostatic pressing production line; key equipment has been localized and substituted with domestically produced alternatives. In terms of technical accumulation, the company holds six authorized utility model patents covering core process areas such as graphite electrode forming molds and thermal insulation structures for sintering isostatically pressed graphite. Regarding certifications, the company has obtained ISO 9001:2015 Quality Management System certification and passed the Level-3 Standardization Review for Work Safety Production. Its customers include multiple domestic photovoltaic thermal field system integrators and downstream manufacturers of carbon-based composite materials. The company primarily serves regional markets within China; no publicly available information indicates its participation in national key projects, engagement in export business, or acquisition of international certifications such as ASME or PED. The company offers customized carbon material solutions, collaborative process development, and stable bulk supply support to midstream and downstream enterprises along the industrial chain, catering to cooperation areas including thermal field upgrades, refractory replacement, and new material validation.

Harbin Liming Gas Co., Ltd. is a high-tech enterprise specializing in the research and development, production, filling, storage, transportation, and sales of industrial gases. The company focuses on specialty gases and industrial gases, and is recognized as a “Specialized, Refined, Distinctive, and Innovative” small- and medium-sized enterprise in Heilongjiang Province. Its core business serves industries including metallurgy, mechanical processing, power generation, electronics, food preservation, healthcare, and scientific research, providing end-to-end services for oxygen, nitrogen, argon, carbon dioxide, acetylene, hydrogen, and various mixed gases. The company possesses cryogenic storage and transportation capabilities for liquid oxygen, liquid nitrogen, and liquid argon, as well as bulk cylinder-filling capacity for high-pressure gas cylinders. Its core technologies center on supporting electronic specialty gases and high-purity gas purification for advanced manufacturing. It has obtained three utility model patents, including “An Adsorption Device for Removing Nitrogen and Oxygen Impurities from High-Purity Argon,” and masters online trace-impurity analysis, multi-stage cryogenic distillation, and metal-catalyzed purification processes. The company holds a Dangerous Chemicals Operating Permit (valid until March 2027) and a Cylinder Filling Permit (with full approved media coverage, valid until 2026), and is certified to ISO 9001:2015 Quality Management System. Typical clients include China First Heavy Industries Group, Harbin Electric Machinery Group, AVIC Harbin Dong’an Engine Co., Ltd., and the Analysis and Testing Center of Harbin Institute of Technology—key local institutions. Its service area primarily covers Heilongjiang Province and extends to Jilin, Liaoning, and eastern Inner Mongolia. The company has no overseas operations or branches. Leveraging standardized occupational safety qualifications, a stable localized supply system, and technical adaptability tailored to advanced manufacturing applications, it provides manufacturing enterprises, scientific research institutes, and medical institutions with customized gas solutions, technical consultation, safe gas usage support, and long-term, reliable gas supply partnerships.

SDIC Bioenergy (Tieling) Co., Ltd. was established in December 2013 as a wholly owned subsidiary of SDIC Bioenergy Investment Co., Ltd.—a specialized biomass energy platform under China State Development & Investment Corporation Limited. Its registered address is Yaobao Town, Tieling County, Tieling City, Liaoning Province. Leveraging the abundant corn stover resources in Northeast China—the country’s major grain-producing region—the company focuses on the efficient and clean utilization of agricultural and forestry residues, specializing in the research, development, production, and sales of cellulosic fuel ethanol. It operates within the bio-based materials and bioenergy sectors—key areas designated under China’s national strategic emerging industries—and qualifies as an advanced biofuel producer explicitly supported by both the “14th Five-Year Plan for Bioeconomic Development” and the “14th Five-Year Plan for Renewable Energy Development.”  

In 2017, the company completed and commissioned China’s first demonstration facility for cellulosic fuel ethanol using corn stover as feedstock (designed annual capacity: 30,000 tons). This project was included in the National Energy Administration’s inaugural batch of demonstration projects for bio-liquid fuels and received joint approval from the National Development and Reform Commission (NDRC) and the National Energy Administration (NEA). In 2021, the project passed the scientific and technological achievement appraisal conducted by the China Petroleum and Chemical Industry Federation, with its overall technology recognized as internationally advanced.  

The company holds full-process proprietary intellectual property rights for cellulosic ethanol production, covering straw pretreatment, high-efficiency enzymatic hydrolysis, heat- and high-concentration-tolerant fermentation strains, and co-fermentation processes for five-carbon and six-carbon sugars. It has filed 12 invention patent applications (8 granted) and 5 utility model patents, and participated in drafting two national standards, including “Energy Consumption Limits per Unit Product for Cellulosic Ethanol” (GB/T 40219-2021).  

In terms of certifications and qualifications, the company holds the “National Industrial Product Production License” (for fuel ethanol) and the “Work Safety Production License,” and has obtained certification for the ISO 9001, ISO 14001, and ISO 45001 management systems. It has also been recognized as a National High-Tech Enterprise (Certificate No.: GR202221000286). Its fuel ethanol products comply with the national standard GB/T 22517.4-2021 and are exclusively supplied to Sinopec and CNPC’s blending centers in Northeast China, forming part of the state-designated supply system for biofuel ethanol.  

Currently, the company’s primary operational focus centers on Liaoning Province and neighboring provinces. Capitalizing on the supply-chain integration and policy-coordination advantages of the SDIC Group, it engages in technical collaboration, production-capacity coordination, and industrial co-development in fields such as comprehensive utilization of straw, promotion of biofuels, and substitution of green transportation energy sources.

SDIC Bioenergy (Jidong) Co., Ltd. was established in December 2013, with a registered capital of RMB 560 million. It is a specialized biomass energy enterprise wholly owned by SDIC Bioenergy Investment Co., Ltd., a subsidiary of State Development & Investment Corporation Limited. The company focuses on research, production, and commercial operation of cellulosic ethanol using non-grain biomass feedstocks, falling under the renewable energy manufacturing industry (GB/T 4754-2017: D4430), and is currently transitioning from pilot-scale production to industrial-scale promotion. Leveraging abundant local agricultural residues—such as corn stover and rice straw—in Jidong County, the company has constructed one of China’s first demonstration-scale cellulosic ethanol production lines with an annual capacity of 10,000 tons. The facility is designed to process approximately 100,000 tons of straw annually and produce about 15,000 tons of fuel ethanol per year, while also generating by-products including lignin, steam, and organic fertilizer raw materials. This facility achieved continuous, stable pilot operation in 2021; passed the industrialization technology evaluation conducted by the National Energy Administration in 2022; and was included in 2023 as a key project under the “Heilongjiang Province 14th Five-Year Bioeconomic Development Plan.” The company possesses independent intellectual property rights over an integrated process covering pretreatment, enzymatic hydrolysis, fermentation, and separation. Its core equipment domestication rate exceeds 90%, and it has been granted five invention patents—including “A Composite Enzymatic Hydrolysis Method for Straw”—and participated in drafting two national standards, including “Energy Consumption Limits per Unit Product for Cellulosic Ethanol.” Regarding qualifications, the company holds the “National Industrial Product Production License” for fuel ethanol, the “Safety Production License for Hazardous Chemicals” for ethanol, and the “Pollutant Discharge Permit”; has obtained certification for the three major management systems—ISO 9001, ISO 14001, and ISO 45001—and was recognized in 2022 as a National High-Tech Enterprise. Its fuel ethanol product complies with GB 18350-2013 and has been incorporated into Heilongjiang Province’s vehicle ethanol gasoline blending system. Since 2023, it has been supplying fuel ethanol steadily to Sinopec Heilongjiang Petroleum Branch and participating in the regional pilot program for biofuel ethanol distribution in Northeast China. Currently, its business operations focus on Heilongjiang Province and the broader Northeast region, with cooperation areas encompassing collaborative utilization of agricultural residue resources, joint development of cellulosic ethanol technologies, supply of green transportation fuels, and application of high-value-added biomass by-products.

China Energy Zhunneng Group Co., Ltd. is a large-scale, specialized coal production and circular economy industrial group under China Energy Investment Corporation. Its headquarters is located in Jungar Banner, Ordos City, Inner Mongolia Autonomous Region. The company is positioned as a demonstration entity for integrated circular economy covering “coal–power–aluminum–iron–chemicals–ecological restoration” and is a core enterprise in the coal mining and comprehensive utilization sector of the energy industry. Its core businesses include: development of ultra-large open-pit coal mines (Heidaigou and Haerwusu mines, each with an annual production capacity exceeding 30 million tons); comprehensive utilization of coal gangue for power generation at mine-mouth sites (installed capacity of approximately 3.3 million kW); R&D and industrialization of high-end aluminum-based new materials (including a pilot-line for alumina production and key technologies for aluminum extraction from fly ash); high-value extraction of alumina and rare metals (gallium, germanium) from fly ash; and ecological restoration projects on the Loess Plateau. The company possesses independent core technologies such as “stability control of high-steep slopes in open-pit coal mines,” “dry sorting of raw coal across full particle-size ranges,” and “one-step acid dissolution method for alumina production from fly ash.” It has obtained 687 authorized patents and has led or participated in the formulation of 12 national and industry standards. The company holds complete qualifications, including certification under ISO 9001/14001/45001 management systems, as well as the Mining Permit, Work Safety Production Permit, and Power Business License. Heidaigou Mine is a national intelligent demonstration mine, and Haerwusu Mine is a national green mine. Representative projects include: the world’s first ten-thousand-ton-class pilot base for aluminum extraction from fly ash (processing 500,000 tons of fly ash annually and producing 100,000 tons of alumina); a one-million-mu ecological restoration project (reclaiming 125,000 mu of land, raising vegetation coverage to over 90%); and a smart energy demonstration project featuring integrated source-grid-load-storage (200 MW photovoltaic + 100 MW / 400 MWh energy storage). Its products cover thermal coal (“Zhuneng Coal” brand), refined kaolin concentrate, metallurgical-grade alumina, and associated metals, serving load centers in eastern and central China—including Beijing, Tianjin, Hebei, Shandong, and Henan—via stable external transmission through the Daqin Railway, Shuo-Huang Railway, and the West Inner Mongolia Power Grid. The company is open to diversified cooperation with partners in energy, materials, environmental protection, and equipment manufacturing sectors—including joint R&D, co-construction of solid-waste resource utilization projects, consulting services for green mine construction, and integrated new-energy system solutions.

China Energy Wuhai Ammonium Nitrate Co., Ltd. is a specialized ammonium nitrate producer under China Energy Group Coal Coking & Chemical Co., Ltd., located in Wuhai City, Inner Mongolia Autonomous Region. Leveraging regional coal resources and the local coal chemical industry foundation, the company uses ammonia—a by-product of coal chemical processes—as its raw material and employs a continuous ammonium nitrate production process to steadily supply three major product categories: agricultural ammonium nitrate, industrial ammonium nitrate, and modified ammonium nitrate. Its products are widely applied in agricultural fertilizers, civilian explosives manufacturing, and specialized industrial fields. The company’s annual actual output reaches 260,000–280,000 tons, with a capacity utilization rate exceeding 90%. It serves as a key designated supplier of ammonium nitrate in North China and Northwest China and undertakes part of the national commercial fertilizer reserve responsibilities for the Inner Mongolia region.  

The company maintains a comprehensive certification system, holding valid licenses including the “Work Safety Production License” ((Meng) WH Anxu Zheng Zi [2023] No. 03-0087), the “National Industrial Product Production License” (for ammonium nitrate products), and the “Pollutant Discharge Permit” (No. 91150300756671458K001V), all of which remain effective and have passed the 2024 annual dynamic inspection. Additionally, it has achieved certification under the three major management systems—ISO 9001, ISO 14001, and ISO 45001—with validity extending through November 2025. Its agricultural and industrial ammonium nitrate products comply respectively with the national standards GB/T 2947–2022 and GB 2945–2018.  

In terms of technical capability, the company holds four authorized utility model patents focused on ammonium nitrate process optimization and participated in drafting the industry standard “Safety Technical Specification for Ammonium Nitrate Production” (AQ/T 3055–2023). Its products primarily serve agricultural input markets in Inner Mongolia, Shaanxi, Gansu, Ningxia, and other provincial-level regions, as well as civilian explosives manufacturers. Service models include direct product supply, customized modified product development, and technical collaboration support. The company welcomes cooperation with fertilizer distribution enterprises, civilian explosives manufacturers, and industrial raw material users.

China Energy Mengxi Coal Chemical Industry Co., Ltd. (formerly known as Inner Mongolia Mengxi High-Tech Group Co., Ltd.) is a large-scale energy and chemical enterprise controlled by China Energy Investment Corporation, headquartered in Ordos City, Inner Mongolia Autonomous Region. The company serves as the core platform for China Energy Investment Corporation’s coal chemical business segment and constitutes a vital supporting force for the modern energy economy of the Mengxi region. Focusing on clean and efficient coal conversion and modern coal chemical industries, the company’s core businesses encompass research, production, and sales of bulk chemical products—including coal-to-olefins, ethylene glycol, methanol, polyethylene, polypropylene, and synthetic ammonia—whose applications span plastics, chemical fibers, solvents, fertilizers, and other sectors. Leveraging high-quality coal resources in Ordos and the integrated advantages of coal, power, chemicals, and transportation offered by China Energy Investment Corporation, the company has constructed and operates major infrastructure projects at its Mengxi Base, including an annual 1.2-million-ton coal-to-olefins facility, a 600,000-ton ethylene glycol plant, supporting coal mines, a captive power plant, and a dedicated railway line. These projects constitute a key national demonstration initiative for green, low-carbon technology industrialization under the State Council’s “Innovation and Development Layout Plan for the Modern Coal Chemical Industry.” The company holds certifications including the “Safety Production Permit for Hazardous Chemicals,” “Pollutant Discharge Permit,” “Water Withdrawal Permit,” and management system certifications ISO 9001, ISO 14001, and ISO 45001. It has participated in formulating two national standards, including GB 30254–2023, and holds 17 authorized invention patents, such as the “Process for Hierarchical and Graded Utilization of Low-Rank Coal.” Additionally, it has established a pilot-scale CO₂ capture, utilization, and storage (CCUS) facility for high-concentration CO₂ capture and enhanced oil recovery with geological sequestration. In 2024, its industrial output value reached RMB 18.64 billion; its comprehensive olefin yield stood at 82.6%; and its methanol consumption per ton of olefins was 2.83 tons. Its key operational indicators rank among the top domestically for similar facilities. Its business covers North China and Northwest China regions, with major customers including Sinopec, CNPC, Hengli Petrochemical, and Zhejiang Satellite Petrochemical—leading downstream enterprises—and it collaborates with upstream and downstream industrial chain partners to supply high-quality chemical feedstocks, technical synergy, and green, low-carbon solutions.