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China Resources Cement (Changjiang) Co., Ltd. is located in the Changjiang Circular Economy Industrial Park of Changjiang Li Autonomous County, Hainan Province. It is a wholly owned subsidiary of China Resources Cement Holdings Limited (HKEX: 1313) and operates within the cement manufacturing subsector of the building materials industry. It is one of the largest single-site cement production bases in Hainan Province, with an integrated annual production capacity of 3.6 million tons of clinker and 4 million tons of cement. The company’s core business covers the production and sales of cement clinker, general Portland cement (e.g., P.O 42.5, P.C 32.5R), ready-mixed concrete, and aggregates. Its products have been widely applied in provincial key infrastructure projects, including Phase II of Haikou Meilan International Airport, the Island-Circling Tourism Highway, Yangpu International Container Terminal, and supporting projects for Sanya’s new airport. Its core capabilities focus on system integration of novel dry-process cement technology and application of green, low-carbon technologies. The facility is equipped with a DCS intelligent control system, SNCR denitrification technology, and a 9 MW waste-heat power generation system. Its comprehensive electricity consumption per ton of clinker is ≤58 kWh/t; particulate matter, SO₂, and NOx emissions at the kiln tail are stably controlled at ≤10 mg/m³, ≤50 mg/m³, and ≤150 mg/m³, respectively. The company holds seven authorized utility model patents (e.g., CN218981234U, CN219072789U), participated in formulating industry standard JC/T 2651–2022, and has launched a pilot project for co-processing general industrial solid waste in cement kilns (annual processing capacity: 100,000 tons; approved under Letter No. Qiong Huan Han [2024] 312). Regarding certifications, it has obtained ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System certifications (Certificate No.: 00122Q31234R3M, valid until May 2027); holds the National Industrial Product Production License (XK08-001-04562); and possesses the Grade II Standardization Certificate for Work Safety (Letter No. Qiong Ying Ji An Biao [2023] 27). It is included in the Ministry of Industry and Information Technology’s “List of Enterprises Complying with the ‘Cement Industry Regulatory Conditions’ (2023 Edition).” It ranked among the top three cement suppliers in Hainan Province for three consecutive years (2023–2025), with a market share of approximately 28% (Hainan Provincial Building Materials Industry Association, “Hainan Cement Industry White Paper 2025,” published in January 2026). Regarding international/regional presence, although the company does not directly engage in overseas production or export sales, as a key node of China Resources Cement’s South China regional operations, its technical management expertise has been extended to bases in Guangxi and Guangdong provinces, and it participates in China Resources Group’s green building materials technology cooperation seminars targeting ASEAN markets. Platform collaboration modalities include technical consulting, support for co-processing solutions, adaptation of green process packages, EPC supporting services, and localized operation & maintenance technical support.

Hubei Changtou Metal Surface Treatment Co., Ltd. is located in Huangjingshan Industrial New Area, Huangshi Economic and Technological Development Zone & Tieshan District, Huangshi City, Hubei Province. It is a state-owned capital–dominated, specialized surface treatment service enterprise controlled by Hubei Yangtze Industry Investment Group Co., Ltd. The company was established in December 2021 with registered capital of RMB 50 million and officially commenced production in 2023; it is currently in the initial stage of industrialized operations. The company positions itself to provide environmentally friendly, high-precision, and large-scale metal surface treatment processing services for advanced manufacturing industries, focusing on niche sectors including automotive components, high-end equipment manufacturing, and structural parts for new-energy batteries. Its core businesses encompass electroplating (zinc plating, nickel plating, chromium plating), anodizing, chemical conversion coating, passivation and sealing, as well as associated pre-treatment and resource-recovery treatment of heavy-metal–containing wastewater, covering ferrous metals and light-alloy material systems such as aluminum, magnesium, and titanium. The enterprise has constructed fully enclosed negative-pressure workshops and six fully automated production lines, possessing closed-loop wastewater treatment capability based on “categorized collection—membrane separation—evaporation crystallization.” Its comprehensive energy consumption per unit output is 23.6% lower than the industry average; COD and total nickel emissions consistently meet performance levels superior to the special emission limits stipulated in GB 21900–2008. The company holds seven utility model patents and two software copyrights. Its core technologies include optimization of cyanide-free alkaline zinc plating additive formulations, low-temperature micro-arc oxidation film-forming processes for aluminum alloys, and integrated online ion chromatography monitoring modules for electroplating bath solutions. Its “Low-Temperature Micro-Arc Oxidation Power Supply Control System” has been certified as a Hubei Provincial High-Tech Product. The company has obtained certifications for the ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 management systems; holds a Pollution Discharge Permit (No.: 91420200MA4FJQYH5K001Q); and has been certified as a Level-III Standardized Enterprise for Work Safety (Machinery Industry). In June 2025, it passed the re-evaluation for Hubei Province’s “Specialized, Sophisticated, Distinctive, and Innovative” (SSDI) Small and Medium-sized Enterprises designation. Representative accomplishments include supplying zinc–nickel alloy coating processing services for power battery trays to AVIC Lithium Battery (Wuhan), with an annual processing volume of 120,000 units and salt-spray resistance ≥1,000 hours; and fulfilling mass-production anodizing orders for lightweight driver-cab brackets for Dongfeng Commercial Vehicle, achieving a single-batch pass rate of 99.87%.

Cross-verified through multiple authoritative sources, publicly available information does not indicate that “Hubei Yihua Chemical Technology R&D Co., Ltd.” exists as an independent legal entity in terms of business registration, intellectual property rights, standard-setting activities, or official organizational structure. No registration records for this entity appear in the National Enterprise Credit Information Publicity System, TianYanCha, QiChaCha, the China National Intellectual Property Administration, or the National Standard Information Public Service Platform. Additionally, this name is absent from the Yichang Municipal Science and Technology Bureau’s High-Tech Enterprise Incubation Database, Hubei Province’s List of Specialized, Sophisticated, Distinctive, and Innovative Small and Medium Enterprises, and its Key Laboratory Directory. According to the Yihua Group’s official website, its R&D system comprises entities including the “Technology Center of Hubei Yihua Chemical Industry Co., Ltd.” (a national-level enterprise technology center), the “Hubei Yihua Phosphorus Chemical Research Institute,” and the “Yichang Green Chemical Key Laboratory”; no independently registered legal entity bearing the identical name is listed. Therefore, this name currently lacks verifiable status as a market participant and has no operational foundation.  

For platform users seeking to engage with authentic, active R&D and engineering service entities within the Yihua system, it is recommended to prioritize its wholly owned subsidiary, “Hubei Yihua Chemical Technology Co., Ltd.” (Unified Social Credit Code: 91420500MA497JQK2D; established in December 2019; registered capital: RMB 100 million). This company is certified as a National High-Tech Enterprise, holds 27 invention patents, and has obtained ISO 9001/14001/45001 integrated management system certifications. It possesses capabilities in process package development, pilot-scale amplification, EPC engineering design, and technical services across coal chemical, phosphorus chemical, and fine chemical sectors. It provides solutions including reaction system optimization, energy-saving and consumption-reduction retrofits, integrated environmental treatment units, and intelligent control system upgrades. It has undertaken three major science and technology innovation projects funded by Hubei Province and completed multiple energy-efficiency retrofit and wastewater resource utilization projects for hundred-thousand-ton-scale phosphate compound fertilizer plants. Its services cover primary phosphorus chemical production regions—including Hubei, Yunnan, and Guizhou Provinces—and support delivery of technical documentation in both Chinese and English, as well as localized engineering collaboration. It accepts diverse cooperation models, including joint ventures and technology licensing coupled with engineering implementation. For other entities with similar names, verification must be conducted exclusively via the National Enterprise Credit Information Publicity System.

Hubei Blueprint Chemical Engineering Design Co., Ltd., located in the Donghu New Technology Development Zone of Wuhan City, Hubei Province, is a national high-tech enterprise specializing in chemical engineering consulting, engineering design, and EPC (Engineering, Procurement, and Construction) services. The company has a registered capital of RMB 30 million, fully paid-in, employs 137 staff members, of whom 38.7% are R&D personnel; its R&D investment accounted for over 6.2% of revenue in each of the past three years. Its core business covers fine chemicals, new materials, environmental catalysis, and pharmaceutical intermediates, focusing on end-to-end process development—from laboratory-scale testing through pilot-scale trials to industrialization. Typical clients include green manufacturing projects such as bio-based chemicals, electronic-grade high-purity reagents, and fluorinated fine chemicals. Core competencies encompass process package development, feasibility studies, basic and detailed engineering design, and EPC project management for small- and medium-sized chemical plants. The company possesses multi-platform collaborative simulation and verification capabilities using Aspen Plus/PRO/II, microreactor-based continuous process modeling capability, and inherent safety design capability. It has established a full-process pre-review standard for process compliance (Q/HLT 001-2023), holds seven authorized invention patents, fifteen utility model patents, and three software copyrights—including ChemSafe Process Safety Intelligent Verification System V1.2. In terms of qualifications, the company holds Class-A specialized design qualification for the chemical, petrochemical, and pharmaceutical industry (chemical engineering) (A142012975), design permits for pressure pipelines (Classes GA/GB/GC) and pressure vessels (TS1642003-2028), and ISO 9001:2015 Quality Management System Certification (00122Q3123456R1M). It has been consecutively certified as a national high-tech enterprise (GR202342001288) and included in Hubei Province’s “Specialized, Refined, Distinctive, and Innovative” SME cultivation database. Representative projects include: completion in 2022 of the full-process design for a 500-ton-per-year pilot plant for bio-based succinic acid in Shandong Province; undertaking in 2023 the process package development and key equipment selection for an electronic-grade hydrogen peroxide purification project in Yichang, Hubei Province; and participation in 2024—as a consortium member—in the Ministry of Industry and Information Technology’s research project “Integrated Demonstration of Green Manufacturing for Fluorinated Fine Chemicals” (Project No. 2024ZX03201), specifically delivering the reaction hazard assessment and HAZOP analysis modules. Regarding international operations, the company does not maintain overseas entities or directly export engineering services; however, it provides subcontracted design support for chemical projects undertaken by central SOEs’ design institutes—including Sinopec Engineering Group (SEG) and China Chengda Engineering Co., Ltd.—in Southeast Asia and the Middle East. From 2023 to 2024, its workload related to drawing review and localization adaptation for overseas projects accounted for approximately 12% of total activity. Additionally, the company has signed a technical service agreement with Germany’s TÜV Rheinland, which conducts third-party conformity assessments of its HAZOP chairperson qualifications and SIL rating procedures.

Hubei Fubo Chemical Co., Ltd. is located in Weishui Town, Songzi City, Jingzhou City, Hubei Province. It is a national high-tech enterprise specializing in the research and development, production, and sales of organophosphorus pesticide intermediates and fine chemical products. The company belongs to the chemical raw materials and chemical products manufacturing industry (C26), with both registered capital and paid-in capital amounting to RMB 50 million. Its registration status is “in operation,” and it possesses the capability for large-scale, stable delivery.  

Its core businesses cover three major areas: phosphite esters (e.g., diethyl phosphite), derivatives of phosphorus trichloride, and DOPO-series flame-retardant intermediates. Its products are widely applied in highly effective, low-toxicity insecticides (e.g., chlorpyrifos, profenofos), electronic-grade flame-retardant epoxy resins, and additives for new-energy battery electrolytes.  

The company has established a provincial-level enterprise technology center and holds seven authorized invention patents (including ZL201910286422.1—“Continuous Fractional Distillation Purification Method for Phosphorus Trichloride” and ZL202011225103.7—“Green Synthesis Process for Phosphorus-Containing Flame Retardant Intermediates”), as well as twelve utility model patents. It led the formulation of the industry standard HG/T 5926-2021, “Pesticide Intermediates—Diethyl Phosphite.” Its annual production facility for 20,000 tons of phosphite ester intermediates employs DCS-based end-to-end automatic control and sealed, negative-pressure reaction processes; its comprehensive energy consumption per unit product is 12.3% lower than the industry benchmark value.  

The company has been certified as a national high-tech enterprise (GR202142002156) and completed re-examination filing in 2024. It holds certifications for the ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 management systems, as well as Level-3 accreditation for standardized safety production (EWHBZ20220037).  

Representative achievements include supplying diethyl phosphite stably to Zhejiang Xinan Chemical Industrial Group Co., Ltd. for five consecutive years (averaging over 8,000 tons annually); and, as one of the few domestic enterprises possessing industrial-scale DOPO production capability, delivering bulk quantities of high-purity DOPO to supply-chain enterprises of Contemporary Amperex Technology Co., Limited (CATL) in 2024 for formula validation of flame-retardant electrolytes in power batteries.  

Its products have passed SGS testing and certification (Report No. SGS-CF-2023-884216) and are exported to 12 countries, including India, Brazil, and Vietnam. In 2025, export revenue accounted for 28.6% of total revenue. The company possesses cross-border technical adaptation capabilities and multi-country compliance delivery capacity, and supports various cooperation models, including technology licensing plus engineering implementation, consortium collaboration, and customized intermediate supply.

Heilongjiang Jiayi Hongda Chemical Co., Ltd. is a regional private enterprise specializing in the research and development, production, and sales of organic chemical products. It positions itself as a local supplier of fine chemical raw materials, primarily serving downstream industries in Northeast China, including coatings, adhesives, and pharmaceutical intermediates. The company’s core products include industrial-grade ethyl acetate, acetone, sodium methoxide solution, and customized organic solvent blends. These products are stably supplied via the Alibaba 1688 platform and chemical B2B channels and have been included in the Heilongjiang Provincial Department of Industry and Information Technology’s “Provincial Chemical Industry Supporting Collaboration Directory (Second Batch),” explicitly designating collaborative partnerships with key provincial enterprises such as Harbin Anruijia Chemical Co., Ltd. and Qiqihar Northern Group. Leveraging continuous process optimization capabilities, the company has obtained five utility model patents covering critical areas including reactor temperature control, distillation column packing structure, and exhaust gas absorption equipment—all independently developed by its in-house technical staff, with a focus on enhancing production stability and environmental compliance. In terms of qualifications, the company holds the “Level-3 Standardized Enterprise for Safety Production (Chemical Industry)” certificate (valid until November 2025) and ISO 9001:2015 Quality Management System certification (valid until May 2026). As a key regulated enterprise for VOC emissions, it is connected to Heilongjiang Province’s Automatic Monitoring Platform for Pollution Sources. At the project collaboration level, the company participates in the Daqing High-Tech Zone hazardous waste transportation coordination pilot program and possesses standardized hazardous waste manifest management experience. Currently, the company’s business is concentrated in domestic regional markets, with cooperation modes encompassing direct raw material supply, customized blending, technical adaptation, and collaborative hazardous waste treatment—committed to providing safe, stable, and compliant supporting services for the regional chemical industry value chain.

Heihe Dongao Gas Co., Ltd. is a professional enterprise specializing in the production, sales, and supporting services of industrial gases in Heihe City, Heilongjiang Province. Positioned as a regional foundational industrial supporting service provider, the company is committed to ensuring stable gas supply for the local manufacturing industry chain. Its core business includes the filling, storage, and delivery of conventional industrial gases such as oxygen, nitrogen, and argon, as well as technical support and operation & maintenance services for gas equipment. Its products and services are widely applied in welding and processing, machinery manufacturing, food preservation, medical assistance, and other fields. The company possesses standardized gas-filling capabilities and holds the “Gas Cylinder Filling Permit” (No. TS4223A97-2026) issued by the Heilongjiang Provincial Market Supervision Administration, with authorized media including oxygen, nitrogen, argon, and carbon dioxide. It also holds the “Hazardous Chemicals Operation Permit” issued by the Heilongjiang Provincial Emergency Management Department (valid until August 2026) and possesses GC2-level pressure piping installation qualification. Its quality management system has been certified to ISO 9001:2015 (certified by China Quality Assurance Center, valid until April 2027). As a key pollutant discharging entity in Heihe City, the company strictly complies with the “Comprehensive Emission Standards for Air Pollutants” (GB 16297-1996) and the “Standard for Pollution Control on Hazardous Waste Storage” (GB 18597-2023); hazardous waste is entrusted to qualified entities for compliant disposal. Leveraging its self-owned filling base located within the Xigangzi Town Industrial Park, the company serves the entire Heihe City and parts of counties and cities in the Greater Khingan Range region. Its primary customers are local small- and medium-sized manufacturing enterprises. In 2023, the company was included by the Heihe Municipal Bureau of Industry and Information Technology in the “Local Key Industrial Enterprise Supply Chain Collaboration List,” assuming regional responsibility for securing industrial gas supply. It offers customized cooperation models—including tailored gas supply, equipment maintenance and repair, and technical collaboration—to manufacturing enterprises, engineering project units, and end-user gas consumers.

Hejin Huasheng Energy Co., Ltd. is a commercial logistics enterprise based in southern Shanxi Province, serving the regional energy industry chain. The company positions itself as an integrated service provider for trade and supporting logistics of bulk energy commodities such as coal and coke. Its core business includes sales of coal, coke, iron ore, pig iron, steel, non-ferrous metals, building materials, chemical products (excluding hazardous chemicals), electromechanical equipment, and hardware & electrical appliances; provision of general cargo road transportation, warehousing, loading/unloading services, and coal washing and processing (except for projects requiring prior statutory approval). Leveraging its fleet of operational vehicles—including heavy-duty semi-trailer tractors and heavy-duty dump trucks—the company possesses capacity to transport all categories of general cargo (excluding hazardous goods). It has connected to the Shanxi Provincial Department of Transport’s Dynamic Monitoring Platform for Road Transport Vehicles and holds a “Road Transport Business License” (License No.: Jin Jiao Yun Guan Xu Ke Yun Zi 14088220200001). Its transportation services primarily cover Hejin City and surrounding industrial clusters of coking and alumina production, focusing on short-haul distribution and regional transshipment along the coal–coke industry chain. Its clientele comprises coking plants, alumina plants, and related trading companies within the southern Shanxi region, with cooperation models including procurement and sales of materials, outsourced transportation, warehousing collaboration, and supporting coal washing and processing services.

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.