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Dalian Zhongmin Ronghe Gas Co., Ltd. was established in December 2018. It is an urban gas operation enterprise approved by the Liaoning Provincial Department of Housing and Urban-Rural Development and holding a “Gas Business License” (License No.: Liao Ran Jing Zheng Zi [2021] No. 027). The company was jointly funded by Zhongmin Gas (Shenzhen) Co., Ltd. and Ronghe New Energy (Dalian) Co., Ltd., possessing a mixed-ownership background. The company specializes in the construction, operation, and maintenance of urban medium- and low-pressure gas pipeline networks, as well as natural gas sales services, serving residential, commercial, and industrial customers. Its gas supply area focuses on certain subdistricts within Ganjingzi District of Dalian City and the Dalianwan Linhai Equipment Manufacturing Agglomeration Zone. Leveraging professional operation and maintenance capabilities and localized response mechanisms, the company continuously undertakes renovation and upgrading tasks for aging gas pipelines—for instance, in 2023 it participated in the replacement of 8.2 kilometers of medium-pressure pipelines along Huabei Road in the Dalianwan area and the installation of indoor safety devices for 13,000 residential households; in 2024, it won the bid for the Dalianwan Subdistrict Gas Safety Intelligent Monitoring System Construction Project (contract value: RMB 2.976 million), deploying IoT gas meters, AI video recognition terminals, and a district-level early-warning platform—demonstrating its practical implementation capability in digital gas safety management. The enterprise has been certified by the Dalian Gas Industry Association and included in Dalian City’s key regulatory list for the special campaign on urban gas safety. In 2023, its tax payment amounted to approximately RMB 1.86 million, and it enrolled 12 employees in social insurance. Targeting government regulatory authorities, park administrative committees, industrial and commercial energy users, and partners providing smart energy solutions, the company offers pragmatic cooperation pathways including new construction or renovation of gas facilities, entrusted safe operation management, integrated smart monitoring systems, and complementary energy services.

Dalian Zhongfu Gas Co., Ltd. was established in 2003, with its registered address at No. 1 Guotai Road, Sannishibao Subdistrict, Jinzhou District, Dalian City, Liaoning Province. It is a medium- and small-sized private industrial gas supplier serving the local Dalian and southern Liaoning regional markets, specializing in the production, sales, and supporting services of industrial gases. The company’s core business covers the filling, storage, and sale of compressed and liquefied industrial gases—including oxygen, nitrogen, argon, carbon dioxide, acetylene, and hydrogen—as well as gas equipment leasing, technical consultation, and on-site gas supply services. Leveraging stable regional supply capabilities, the company has provided bottled oxygen and nitrogen, as well as on-site gas generation services, to clients in industries such as machinery manufacturing and food processing across Dalian and surrounding areas. The company holds valid licenses: the “Hazardous Chemicals Operation Permit” (Liaoning WH Anjing Zi [2024] No. 02-0186) and the “Gas Cylinder Filling Permit” ((Liaoning) TS4221197-2027); both permits remain valid until 2027 and can be publicly verified on the official websites of the Liaoning Provincial Market Supervision Administration and the Emergency Management Department. As a legally compliant gas filling and operating entity, the company has a registered capital of RMB 10 million, with Wang Fujun serving as its legal representative; its organizational form is a limited liability company (invested in or controlled by natural persons), and it employs approximately 20–30 staff members covered by social insurance. Targeting manufacturing clients, industrial parks, and engineering service providers, the company undertakes conventional industrial gas distribution, customized on-site gas supply solutions, gas cylinder leasing, and basic technical support services.

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.