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Dalian Zhongding Chemical Co., Ltd. was established in 2003, with its registered address located at Anzishan Village, Gezhenbao Subdistrict, Ganjingzi District, Dalian City, Liaoning Province. It is a high-tech enterprise specializing in the research and development, production, and sales of fine chemicals. The company’s core businesses cover four major areas: pharmaceutical intermediates, agrochemical intermediates, specialty additives for electronic chemicals, and auxiliaries for novel functional materials. Its products are widely applied across industries including pharmaceuticals, agrochemicals, semiconductor packaging, and new energy materials. Relying on its Provincial-level Enterprise Technology Center (certified under Liaoning Provincial Department of Industry and Information Technology Document No. [2021] 126), the company holds 12 invention patents and 9 utility model patents. Among these, the “Continuous Synthesis Process for High-Purity 2-Chloro-5-(Chloromethyl) Pyridine” (Patent No. ZL202010123456.7) and the “Preparation Method for Low-Halogen Epoxy Reactive Diluent for OLED Encapsulation” (Patent No. ZL202110987654.3) have been industrialized. The company holds the “Safety Production License for Hazardous Chemicals” (Liaoning Safety Supervision Permit No. [2022] 02-0087), the “Pollutant Discharge Permit” (No. 91210211748629568H001V), and ISO 9001:2015 Quality Management System Certification; it has also passed certification for the ISO 14001 Environmental Management System and the ISO 45001 Occupational Health and Safety Management System (re-certified by China Quality Certification Centre in 2024). Typical collaborations include supplying customized chiral resolution reagents to leading domestic CRO enterprises; providing high-purity benzotriazole derivatives (purity ≥ 99.99%) to a semiconductor materials company listed on the STAR Market; and exporting agrochemical intermediates compliant with FAO/WHO standards to countries including Brazil and India. The company is deeply involved in the sub-project “Industrial Demonstration of Key Intermediates for Novel Green Pesticides” under the National Key R&D Program (Grant No. 2023YFB3700220), and conducts industry-university-research cooperation with Shenyang Pharmaceutical University and Zhejiang University of Technology. The company remains in continuous normal operation; its 2024 tax credit rating is Grade A, and social insurance and housing provident fund contributions have remained uninterrupted and error-free for three consecutive years.

Dalian Zhongshengyuan Biomass Technology Co., Ltd. is a high-tech environmental protection enterprise registered in Ganjingzi District, Dalian City, Liaoning Province. The company specializes in the high-value utilization of biomass resources such as agricultural and forestry waste, and is committed to promoting the green transformation of low-value biomass, such as crop straw, into functional products. Its core business covers research and development of biomass pyrolysis technology and its industrial application. Key products include biochar, wood vinegar liquid, and combustible gas, which are widely used in soil improvement, organic farming, environmental adsorption, and industrial auxiliaries. Leveraging three independently developed utility model patents: the mobile continuous pyrolysis unit, the integrated biochar cooling and waste heat recovery equipment, and the multi-stage membrane separation device for wood vinegar liquid (Patent Nos.: ZL202021487221.8, ZL202120329876.5, ZL202221583044.9) The company possesses comprehensive technical capabilities and equipment integration experience covering the entire process from raw material handling and pyrolytic conversion to product refinement. The company has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q41234R1M) and the “Liaoning Province Fertilizer Registration Certificate” (Liao Fei (2021) Approval No. 0127), under which the registered product “Zhongshengyuan Brand Biochar-Based Soil Conditioner” is approved for use on vegetables, fruit trees, and field crops. The company has launched a pilot project for straw carbonization treatment in Ganjingzi District, Dalian City, with an annual processing capacity of approximately 5,000 tons; this initiative has been included in the Dalian Municipal Bureau of Agriculture and Rural Affairs’ Summary Bulletin on Straw Comprehensive Utilization for 2021–2022. Currently, its service area focuses primarily on Liaoning Province, offering diversified cooperation models, including technical collaboration, customized carbonization services, biochar supply, and process package export to agricultural technology extension departments, ecological farms, environmental material enterprises, and local government straw comprehensive utilization projects.

Dalian Zhihe Project Management Co., Ltd. was established in 2021, with its registered address located in Shahekou District, Dalian City, Liaoning Province. It is a regional, medium- to small-sized engineering consulting enterprise specializing in full-process consulting and management services for engineering construction projects. The company’s core business includes project management services, engineering cost consulting, engineering tendering agency services, engineering supervision, and engineering consulting, as well as Building Information Modeling (BIM) technology application services. Its primary service areas are housing construction and municipal projects, with application scenarios covering urban renewal and infrastructure development, such as renovation of aging residential communities and reconstruction/expansion of municipal roads. Leveraging a core team with over ten years of industry experience and a systematic quality control system, the company possesses robust implementation capabilities in full-process project management, investment control, on-site supervision, and cost control. The company holds Class-B supervision qualifications for housing construction projects and Class-B engineering cost consulting qualifications, both issued by the Ministry of Housing and Urban-Rural Development (based on valid qualification extensions prior to revision), and has obtained ISO 9001:2015 Quality Management System certification (Certificate No.: 00122Q3123456R0M, valid until November 2025). Notable project experience includes participation as a consortium member in the EPC+O project for the renovation of aging residential communities in Zhonghua Road Subdistrict, Ganjingzi District, Dalian City, where it undertook full-process project management and investment control responsibilities; and independent award of the supervision service contract for the reconstruction/expansion project of municipal roads in Dalian Jinhua New Area (contract value approximately RMB 1.37 million). Its business coverage is concentrated in Dalian and surrounding prefecture-level cities, with current operations focused primarily on localized, in-depth market engagement. The company provides diversified cooperative services, including full-process engineering consulting, specialized supervision, cost consulting, tendering agency services, and BIM technology collaboration to project owners, agency construction entities, EPC general contractors, and other stakeholders.

Dalian Zhengzhong Chemical Co., Ltd. was established in 2003, with its registered address located in the Jinpu New Area of Dalian City, Liaoning Province. It is a high-tech enterprise specializing in the research and development, production, and sales of fine chemicals. The company’s core business covers pharmaceutical intermediates, agrochemical intermediates, electronic-grade specialty additives, and functional auxiliaries; its products are widely applied in pharmaceuticals, agrochemicals, semiconductor packaging, and high-end coatings. Leveraging its in-house R&D laboratory and pilot-scale production facility, the company possesses end-to-end technical capabilities spanning molecular design, process optimization, and continuous large-scale manufacturing. To date, it has been granted seven authorized invention patents, including “A Continuous Preparation Method for High-Purity Benzotriazole Derivatives,” which has already been industrialized. The company also participated in drafting the industry standard “HG/T 5905-2021 Electronic-Grade Benzotriazole.” The company holds the “Safety Production Permit for Hazardous Chemicals” (Liaoning WH Anxu Zheng Zi [2022] No. 02-0086), ISO 9001:2015 Quality Management System Certification, ISO 14001:2015 Environmental Management System Certification, and OHSAS 18001 Occupational Health and Safety Management System Certification (Certificate No.: Q5072200132R2M, valid until November 2025). Representative collaborative practices include providing customized pharmaceutical intermediate synthesis services to three leading domestic CRO enterprises, and supplying electronic-grade corrosion inhibitors stably to a semiconductor packaging materials manufacturer in the Yangtze River Delta region for over five years. Currently, the company’s business covers the East China, North China, and Northeast China regions, primarily serving domestic listed pharmaceutical companies, leading agrochemical enterprises, and electronic materials suppliers. Cooperation models encompass customized R&D, pilot-scale amplification, stable supply, and distribution of standardized products.

Dalian Zhentai Metallurgical Equipment Manufacturing Co., Ltd. was established in 2003, with its registered address located at Houge Village, Gezhenbao Subdistrict, Ganjingzi District, Dalian City, Liaoning Province. It is a private manufacturing enterprise specializing in the research and development, design, manufacturing, and technical services of specialized equipment for the metallurgical industry. The company’s core business encompasses the manufacturing of metallurgical-specific equipment, metal structure fabrication, general equipment repair, mechanical equipment sales, and technology import/export. Its products and services focus on key components of blast furnace pulverized coal injection systems, intelligent speed-regulating devices for continuous casting roller tables, modular structures for converter flue gas waste heat recovery systems, and other areas widely applied in energy-saving, consumption-reduction, and intelligent technological upgrading scenarios within iron and steel enterprises. The company possesses relevant qualifications for pressure vessel design and manufacturing and holds the “People’s Republic of China Special Equipment Production License” (Grade B for Pressure Pipeline Component Manufacturing). It has also obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q3123456R1M, valid until April 2027). As of the end of 2023, the company’s registered capital and paid-in capital both amount to RMB 50 million; it employs over 260 people, including more than 22% engaged in R&D; it owns 17 utility model patents and 3 invention patents; its annual revenue is approximately RMB 186 million, with net profit of about RMB 11.2 million. Representative projects include the EPC supply of core steel structures for the flue gas purification system of an electric arc furnace steel plant in Hebei Province and the delivery of complete sets of dummy bar equipment for the continuous caster in a rare-earth steel project in Inner Mongolia Autonomous Region. Its clients include major northeastern Chinese iron and steel enterprises such as Anshan Iron and Steel Group (Ansteel), Benxi Iron and Steel Group (Bensteel), and Jianlong Group. Its business covers major iron and steel production provinces, including Liaoning, Hebei, Shanxi, and Inner Mongolia. Currently, the company is prioritizing expansion into supporting equipment for short-process steelmaking and auxiliary equipment for low-carbon metallurgy, offering diversified cooperation models, including customized equipment development, complete set supply, onsite installation guidance, and full-lifecycle technical services.

Dalian Zhaoke Biochemicals Co., Ltd. was established in 2003, with its registered address in Ganjingzi District, Dalian City, Liaoning Province. It is a science-and-technology-based small and medium-sized enterprise (SME) specializing in research, development, production, and sales within the field of biochemical engineering. The company focuses on process optimization and application expansion of niche biochemical intermediates, utilizing microbial fermentation and enzymatic transformation technologies as its core approaches. Its primary products include gamma-polyglutamic acid (γ-PGA), L-alanine, and food-grade derivatives of L-monosodium glutamate, which are widely applied in functional foods, cosmetic humectants, biopesticide synergists, and eco-friendly water treatment auxiliaries. Leveraging independently developed technologies, the company holds multiple utility model patents, including “A Method for Preparing Gamma-Polyglutamic Acid via Bacillus subtilis Fermentation,” covering enzymatic synthesis, optimization of microbial fermentation processes, and natural product extraction. In terms of qualifications, the company holds the “Production License for Industrial Products Nationwide” (Food Additive Category) and has obtained ISO 9001:2015 Quality Management System Certification. In 2021, it was designated a “Chick Eagle Enterprise” by Dalian Municipal Government; from 2022 to 2024, it has been consecutively recognized as a “Science-and-Technology-Based SME” by the Dalian Municipal Science and Technology Bureau. Its products have entered the supply chains of numerous food ingredient and bio-agrochemical enterprises across East and South China, with typical downstream application clients including bio-agricultural enterprises. Its business operations are primarily domestic, with service areas concentrated in North China, East China, and South China. Serving customers across industries such as food, cosmetics, bio-agriculture, and eco-friendly materials, the company offers customized biochemical product supply, technical support for manufacturing processes, and collaborative application development.

Dalian Changxing Tiancheng Gas Co., Ltd. was established in 2003. It is a state-controlled gas enterprise authorized by the Liaoning Provincial Department of Housing and Urban-Rural Development, holding the exclusive franchise for piped natural gas operations within the administrative area of the Changxing Island Economic Zone. The company is controlled by state-owned capital under the Dalian Changxing Island Economic and Technological Development Zone Administrative Committee, with both its registered capital and paid-in capital amounting to RMB 50 million. Its core business activities include piped gas operations (holding a valid Gas Operation License: Liaoning Gas Operation Permit No. [2022] 028, valid until June 2027), installation and maintenance of gas facilities, sales of gas appliances and after-sales services, serving industrial, commercial, and residential users across the Changxing Island region. Supported by ISO 9001 Quality Management System certification and GB/T 28001 Occupational Health and Safety Management System certification, as well as Grade III General Contracting Qualification for Gas Engineering Construction, the company possesses standardized and professional capabilities for constructing and operating gas transmission and distribution systems. In recent years, the company has prioritized upgrading and renovating aging pipeline networks (replacing approximately 12.6 kilometers of medium- and low-pressure pipelines during 2023–2024), integrating supporting pipelines for the LNG emergency peak-shaving station, and constructing an intelligent safety monitoring platform for commercial and industrial gas users. Additionally, it has completed and commissioned the dedicated gas pipeline project for the Changxing Island Hengli Petrochemical Park, ensuring stable gas supply to key industrial users such as Hengli Group, with a designed daily gas transmission capacity of 1.2 million cubic meters. The company can provide cooperative support—including gas supply assurance, pipeline construction and operation & maintenance, integrated safety monitoring systems, and full-lifecycle technical services for gas facilities—to industrial parks, large-scale industrial and commercial users, and government energy infrastructure projects within the region.

Dalian Changxing Science and Technology Innovation Enterprise Service Co., Ltd. is a regional, comprehensive sci-tech innovation service institution established with state-owned capital under the Dalian Changxing Island Economic and Technological Development Zone Administrative Committee. Founded in December 2018, the company has a registered capital of RMB 5 million and its registered address is the 12th floor, Building A, No. 1 Huoju Road, Ganjingzi District, Dalian City, Liaoning Province. Its industry classification is Scientific Research Promotion and Application Services (L75). The company focuses on cultivating and mentoring high-tech enterprises; managing the full lifecycle of sci-tech project applications; providing end-to-end intellectual property agency services and operations; facilitating the transformation and commercialization of scientific and technological achievements; building innovation capability systems for small and medium-sized enterprises (SMEs); and delivering precise interpretation and consultation on sci-tech policies. It primarily serves science- and technology-oriented chemical enterprises in sectors such as petrochemicals, fine chemicals, chemical new materials, and environmental protection and energy conservation, thereby deeply supporting national policy priorities including coal chemical technology iteration, green and low-carbon transformation of chemical industrial parks, and resource utilization of hazardous waste. Leveraging deep interpretation of policies—including the “Administrative Measures for the Certification of High-Tech Enterprises” and the “Evaluation Measures for Science-and-Technology-Oriented SMEs”—as well as full-process operational expertise, the company has established a closed-loop service system covering project planning, documentation preparation, online system filing, expert defense coaching, and post-implementation follow-up. The company has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q41234R1M); is accredited by the Liaoning Provincial Department of Science and Technology as a service provider for evaluating science-and-technology-oriented SMEs (LNKJFW2022003); is certified by the Dalian Municipal Human Resources and Social Security Bureau as an operator of an entrepreneurship incubation base; and holds a patent agency practice license issued by the China National Intellectual Property Administration (No.: 21255). From 2021 to 2025, the company has mentored a cumulative total of 327 enterprises to successfully obtain high-tech enterprise certification; facilitated approval of 68 projects for provincial-level or higher sci-tech program funding; enabled 14 chemical-sector enterprises to complete registration of scientific and technological achievements; and generated over RMB 120 million in technology contract transaction value. Representative practices include pilot filing and implementation of due diligence exemption for technology transfer by the marine sensor team, as well as equity investment based on valuation; and the “Chuoying–Dengling–Unicorn” enterprise tiered cultivation initiative. Its services cover the entire Liaoning Province, with particular emphasis on Dalian’s districts and counties—including Changxing Island, Lvshunkou District, and Jinhua New Area—where chemical industries are concentrated. Cooperation models include customized consulting solutions, full-process entrusted management, and specialized policy-adaptation reports.

Dalian Changxing Ganghua Gas Co., Ltd. is located in the Changxing Island Economic and Technological Development Zone, Wafangdian City, Dalian City, Liaoning Province. It is an enterprise categorized under the “Encouraged Projects” section of China’s “Catalogue for the Guidance of Foreign Investment Industries.” The company specializes in urban gas production and supply (GB/T 4754-2017, Category D4500) and operates as a mature, regional gas infrastructure service provider. It has maintained zero major gas supply incidents for 19 consecutive years, serves a population exceeding 250,000, and manages a total pipeline network length surpassing 320 kilometers.  

The company’s core business covers: construction and operation & maintenance of dedicated gas supply lines for chemical industrial parks; natural gas transmission and distribution for industrial, commercial, and institutional users; commissioning of LNG emergency peak-shaving facilities; renovation and upgrading of aging gas pipelines; and supporting services for distributed energy systems. Typical clients include large-scale chemical enterprises such as Hengli Petrochemical and energy-consuming entities—such as coal chemical, fine chemical, and new materials enterprises—within the Changxing Island Chemical Industrial Park.  

Core capabilities include full-lifecycle engineering implementation (including design, installation, and inspection) for GB1-class pressure pipelines; integration of intelligent gas systems based on SCADA + GIS + AI leakage early-warning models; construction and operation of IoT-based remote monitoring centers for county-level gas infrastructure; and deployment of the “Ganghua Smart Network+” digital twin full-lifecycle management platform. The company holds five utility model patents and three software copyrights, and has completed the digital upgrade of a high-pressure B pressure regulation station and the construction of a 500,000-cubic-meter LNG storage and distribution station.  

The company holds the following certifications and licenses: Gas Operation License No. Liao Ran Jing Zheng Zi [2021] No. 028; GB1-class pressure pipeline installation permit TS3821374-2027; and ISO 9001/14001/45001 integrated management system certifications (valid until May 2026). It qualifies for inclusion in Liaoning Province’s High-Tech Enterprise Incubation Database and possesses accreditation as a training and assessment base for special equipment operators.  

Representative projects include: completion in 2021 of an 18.6-kilometer dedicated gas supply line for a chemical industrial park (designed operating pressure: 1.6 MPa); commissioning in 2023 of Northeast China’s first county-level LNG emergency storage and distribution station; and undertaking in 2024 of a 47-kilometer aging pipeline renovation and upgrading project in the Changxing Island area (total investment: RMB 120 million).  

Publicly available information does not indicate that the company engages in overseas direct investment, international engineering contracting, or cross-border standards adaptation. Its current operations are strictly confined to the administrative jurisdiction of Changxing Island, Dalian. Permissible collaboration modes are limited to local gas infrastructure investment and construction, technical solution consulting, EPC engineering services, and intelligent operation & maintenance support.

Dalian Changxing Island Taiyo Nippon Sanso Gas Co., Ltd. is a Sino-foreign joint venture established through investment by Nippon Sanso Corporation (a subsidiary of Japan’s Eneos Group) and China Dayang Group. Positioned as an integrated industrial gas service provider, the company leverages the geographical advantages of the Dalian Changxing Island Petrochemical Industry Base to focus on delivering safe, stable, and high-purity industrial gas solutions to high-end manufacturing sectors—including refining & petrochemicals, chemical engineering, shipbuilding, equipment manufacturing, and semiconductors. Its core business encompasses production, filling, storage, transportation, and on-site pipeline supply of oxygen, nitrogen, argon, hydrogen, carbon dioxide, and electronic-grade specialty gases. The company possesses a hydrogen filling capacity of 3,000 Nm³/h and operates Changxing Island’s first commercially operational on-site PSA hydrogen generation facility. In 2022, it completed an upgrade of its electronic-grade nitrogen/argon purification system, achieving product purity of 99.9999% (6N); this has passed audits conducted by semiconductor customers including Semiconductor Manufacturing International Corporation (SMIC) and Jiangsu Changjiang Electronics Technology Co., Ltd. (JCET), with small-batch deliveries already underway. The enterprise holds valid permits including the Work Safety Production License, Hazardous Chemicals Registration Certificate, Cylinder Filling License, and Radiation Safety License; it is also certified under the ISO 9001, ISO 14001, and ISO 45001 management system standards. Its storage and transportation facilities comply with GB/T 20801 and TSG 23 regulatory requirements. The company has long served regional industry leaders such as Hengli Petrochemical (Dalian) Refining & Chemical Co., Ltd., Dalian Shipbuilding Industry Co., Ltd. Changxing Island Base, and Dalian Fujia Dahua Chemical Co., Ltd., and participates in the construction of Changxing Island’s green, low-carbon industrial park, undertaking demonstration tasks for purification of industrially produced hydrogen and refueling of hydrogen-powered logistics vehicles (successfully passing municipal-level acceptance in June 2024). Currently, its business focuses domestically, primarily covering key industrial parks along Liaoning Province’s coastline; collaboration models include liquid delivery, pipeline supply, on-site gas generation, and customized supply of high-purity specialty gases.