Search

Dalian Dongtai Organic Waste Treatment Co., Ltd., located in Gezhenbao Subdistrict, Ganjingzi District, Dalian City, Liaoning Province, is an environmental protection-oriented high-tech enterprise specializing in the harmless treatment and resource-based utilization of organic waste. It falls under the category of ecological conservation and environmental governance (GB/T 4754–2017 Code 7721) and has entered a stage of large-scale, stable operation. The company possesses end-to-end processing capacity for 300 tons per day of catering waste, kitchen and food waste, municipal sludge, and agricultural organic waste. Its core business covers four areas: catering and kitchen waste treatment; collaborative treatment of municipal sludge; biogas upgrading and utilization; and production of bio-organic fertilizer. Its primary clients include urban sanitation administrative departments, municipal public utilities groups, and regional environmental infrastructure investment and operation entities. Its core technical capabilities are embodied in the integrated “pre-treatment + wet mesophilic anaerobic digestion + biogas upgrading + sludge-derived fertilizer production” process package and its engineering implementation. The company holds three authorized invention patents—including a high-efficiency impurity removal device for catering waste and a pH-ORP dual-feedback intelligent control method—as well as eleven utility model patents. Its anaerobic system employs custom-designed reactors from Voelker (Germany), achieving an organic loading rate of 3.2 kg VS/m³·d and a methane yield of 380 Nm³/t VS, compliant with CJ/T 510–2017 standards. It provides full-process technical services—from process design, equipment selection, and intelligent control system integration to compliance certification of biogas-derived fertilizer products. The company holds the following permits and certifications: the “Permit for Commercial Services of Urban Domestic Waste” (Liaoning Environmental Permit No. [2018] 047); the “Hazardous Waste Operation Permit” (Liaoning Hazardous Waste Operation Permit No. 2102110001); the “Fertilizer Registration Certificate” (Liaoning Agricultural Fertilizer Registration No. [2022] Approval No. 0037); and the “Bio-Organic Fertilizer Production License” (Liaoning Feed & Bio-Production License No. 21020001). It is certified under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. Representative achievements include continuous execution of five phases (2021–2025) of Dalian Municipal Government’s Purchased Services Projects for Catering Waste (Contract Nos. DLZFCG-2021-089, etc.), accounting for 63.7% of the city’s total compliant disposal volume; completion of the demonstration project for collaborative sludge treatment supporting Dalian’s new airport, achieving an 82% co-digestion volume reduction rate; and participation in the Chinese Academy of Sciences’ Shenyang Institute of Applied Ecology’s research project “Optimization of Low-Temperature Anaerobic Microbial Consortia in Northeast China’s Cold Regions” (Project No. SY2024ECO-017), enabling stable winter-operation performance.

Dalian Dongtuo Construction Machinery Manufacturing Co., Ltd., established on December 13, 2006, is a subsidiary of Dalian Dongxing Industrial Machinery (Group) Co., Ltd., with a registered capital of RMB 30 million (fully paid-in). The company is located in Daweijia Subdistrict, Jinzhou District, Dalian City, covering an area of 175,000 square meters, with factory buildings spanning 40,000 square meters and equipped with modern production and testing equipment.  

Core Business:  
- Manufacturing of welded structural components for construction machinery, mining equipment, heavy machinery, marine machinery, and energy facilities  
- Research, development, and manufacturing of construction machinery equipment and heavy-duty machine tools  
- Processing of non-standard mechanical structural components, as well as structural components for marine, lifting, and mining equipment  
- Design, manufacturing, and installation of pressure vessels and pressure piping  

Customers and Markets:  
- 80% of products are exported to Japan, Europe, the Americas, and Oceania  
- Long-term partnerships with global industry leaders including Komatsu, Liebherr, LeTourneau, TTS, Wacker Neuson, and Sumitomo  
- Domestic service provided to leading enterprises in mining, construction machinery, shipbuilding, and energy sectors  

Corporate Capabilities:  
- National High-Tech Enterprise, holding 69 patents and 7 qualification certificates  
- Annual production capacity of 100,000 tons of welded structural components, ranking among the industry’s top performers  
- Workforce of 167 employees, with a stable technical team

Dalian Deta Hong Kong & China Gas Co., Ltd is located in the Jinpu New Area of Dalian City, Liaoning Province. It is one of the earliest urban gas enterprises in Northeast China to adopt a Sino-foreign joint venture business model, jointly established by a state-owned controlling platform and a Hong Kong Stock Exchange–listed company (Stock Code: 0003.HK). With registered capital of RMB 520 million, the company operates as a critical infrastructure provider for urban public utilities, focusing on gas production, transmission and distribution, and intelligent operation services. Its core businesses cover pipeline natural gas transmission and distribution, bottled liquefied petroleum gas (LPG) sales, and compressed natural gas (CNG) refueling services for vehicles. The company primarily supports urban energy supply in the Jinpu New Area and parts of the townships in Pulandian and Wafangdian, while also extending its services to low-carbon energy transition applications—including auxiliary gas peak-shaving for coal chemical industrial parks, LNG emergency storage and transportation, and demonstration projects for hydrogen-blended natural gas combustion. Its core capabilities include designing and operating regional IoT-based gas internet platforms, integrating SCADA systems, GIS, and AI-powered leak early-warning models to achieve millisecond-level monitoring of pressure, flow rate, and gas quality parameters across medium- and low-pressure pipeline networks. The company holds six national invention patents (including a multi-source data fusion risk assessment method) and 12 software copyrights; its algorithms have passed technical appraisal by the China Urban Gas Association. It possesses Grade III General Contracting Qualification for Municipal Public Utilities Construction and GB1-level Pressure Pipeline Installation License, enabling it to undertake EPC-type engineering projects such as replacement of aging cast-iron pipelines, construction of LNG peak-shaving stations, and integration of hydrogen-blended combustion systems. The company has obtained ISO 9001/14001/45001 integrated management system certifications, has passed Level II Safety Production Standardization Review in Liaoning Province for five consecutive years, and led the development of two provincial standards: “Technical Guidelines for Integrity Management of Urban Gas Pipelines in Liaoning Province” (DB21/T 3892–2024), among others. Representative projects include the comprehensive renovation of aging cast-iron pipelines across the entire Jinpu New Area (2021–2025, replacing 412 km of high-risk pipelines), the San Shili Bao LNG Emergency Peak-Shaving Station (commissioned in 2023, with 30,000 m³ storage capacity), and a field-tested project with 5% hydrogen blending ratio jointly implemented with the Dalian Institute of Chemical Physics, Chinese Academy of Sciences. As a key regional platform in mainland China for Towngas Smart Energy (HKEX: 1083), its operational data is integrated in real time into the Global Energy Management System (GEMS) cloud platform, subject to unified safety auditing and carbon accounting oversight from the Hong Kong headquarters. Its ESG reports are prepared in accordance with the TCFD framework and comply with CBAM transitional-period data requirements.

Dalian Deta Hong Kong & China Gas Engineering Co., Ltd is located in the Jinpu New Area of Dalian City, Liaoning Province. It is a mixed-ownership professional engineering enterprise specializing in investment, construction, and operation of urban gas infrastructure, and falls under the Towngas Energy Investment System. The company possesses full-chain capabilities covering design, construction, supervision, intelligent retrofitting, and system integration for gas engineering projects, and is currently in a development stage characterized by stable operations and incremental asset renewal. Its core business focuses on urban and town gas pipeline projects (including medium-pressure and higher-pressure grades), LNG vaporization station construction, integrated gas systems for commercial and industrial users, intelligent upgrades of aging cast-iron pipelines, and deployment of remote monitoring platforms for gas facilities. Its service scope covers typical scenarios such as coal chemical industrial park gas supply infrastructure, on-site gas pressure regulation and metering systems for petrochemical enterprises, LNG emergency peak-shaving gas supply for coastal cultural-tourism zones, and comprehensive energy stations in pilot free trade zones. Core competencies include GA1/GB1/GC2-grade pressure pipeline installation (subject to supervisory review by the Liaoning Provincial Market Regulation Administration in 2025), general contracting for municipal and mechanical & electrical engineering construction, and Class-B specialized design qualification for urban and town gas engineering. Leveraging GIS+SCADA, the company implements digitalized pipeline network management and has scaled up application of its self-developed “Intelligent Temperature-Controlled Electrofusion Welding Process for PE Pipes” (Patent No.: ZL202321498201.6), achieving a first-time welding pass rate of 99.82%. The company holds the “Special Equipment Production License,” “Construction Enterprise Qualification Certificate,” “Engineering Design Qualification Certificate,” and “Work Safety Production License,” and is certified under ISO 9001, ISO 14001, and ISO 45001 management systems. By the end of 2025, it will have completed laying over 1,200 kilometers of medium-pressure and higher-pressure gas pipelines, serving more than 450,000 residential users and over 3,800 commercial and industrial users. Representative projects include the citywide gas-to-home project for the Sānshílǐbù Subdistrict in Jinpu New Area (2022–2024), the Dalian Pilot Free Trade Zone Comprehensive Energy Station EPC General Contracting Project (commissioned in 2023), and the LNG Emergency Peak-Shaving Gas Supply System for the Jīnshítān Coastal Cultural-Tourism Zone (completed in 2025). The company’s business covers the entire Jinpu New Area of Dalian City and, as the Northeast China Regional Engineering Support Center of Towngas Energy, provides technical transfer and joint construction services to cities including Anshan, Yingkou, and Dandong. Internationally, cooperation manifests through supply chain synergy within the Towngas Group and technical alignment with international standards such as EN 1775:2021 and API RP 1173, supporting various collaboration models including consortium bidding, EPC general contracting, and technology licensing coupled with localized engineering implementation.

Zhongshan Hospital Affiliated to Dalian University is located at No. 6 Jiefang Street, Zhongshan District, Dalian City, Liaoning Province. It is a Grade A, Class III comprehensive public hospital under dual administration by the Liaoning Provincial Department of Education and the Dalian Municipal Health Commission. Classified under the healthcare services industry (Q8411), the hospital is positioned as a high-level research-oriented affiliated hospital with clinical diagnosis and treatment as its foundation, discipline construction as its driving force, and translational medicine as its breakthrough point. The hospital has over 2,300 open beds and handles more than 2.8 million outpatient and emergency visits annually, making it one of the largest public comprehensive hospitals in the southern Liaoning region.  

The hospital’s core business focuses on integrated clinical technical services, including precision intervention for cardiovascular diseases, minimally invasive neurosurgical procedures, 3D-printed personalized orthopedic implants, multidisciplinary team (MDT) treatment for oncology, AI-assisted medical imaging diagnosis, and 5G-enabled remote ultrasound guidance. Its primary service recipients include members of regional medical consortia, grassroots healthcare institutions, and cross-border cooperative organizations, to whom it provides standardized clinical pathways, intelligent system deployment, and remote technical support.  

Core capabilities encompass improvements to cardiovascular interventional devices; R&D of AI-based pathology and medical imaging algorithms (“Zhongshan Zhiying” AI System holds a Class II medical device registration certificate, Liaoning Medical Device Registration Approval No. 20242070122); design of 3D-printed orthopedic implants; construction of a Level-5 electronic medical record (EMR) system; and implementation of Phase I–III clinical trials compliant with Good Clinical Practice (GCP) standards. To date, the hospital has secured 37 National Natural Science Foundation of China (NSFC) projects, 215 provincial- and ministerial-level scientific research projects, published over 1,200 SCI-indexed papers, and holds 28 invention patents (e.g., ZL202110234567.8), covering medical devices, algorithms, and materials.  

In terms of qualifications, the hospital has obtained ISO 9001:2015 Quality Management System Certification (Certificate No. 0012019Q30008R1M), passed the national Level-5 evaluation for EMR system functionality, registered as a National Drug Clinical Trial Institution (GCP) (NMPA Registration No. 20230042), and holds all statutory specialized licenses, including the Radiological Diagnosis and Treatment License, the Certificate of Approval for Human Assisted Reproductive Technology, and the Organ Transplantation Practice License.  

Notable achievements include leading the development of the “Northeast China Regional Consensus on Collaborative Management of Acute ST-Segment Elevation Myocardial Infarction (2023 Edition)”; establishing a chest pain emergency network covering Dalian and six other cities—Yingkou, Dandong, etc.—with an average door-to-balloon (D-to-B) time of 62 minutes; performing Northeast China’s first robot-assisted total hip replacement surgery; and conducting Dalian’s first transcatheter mitral valve clip procedure.  

Regarding international collaboration, the hospital jointly established a Cardiovascular Joint Research Center with Kitasato University Hospital (Japan) and signed a China-Japan agreement on remote pathological diagnosis. In 2024, it was approved by the National Administration of Traditional Chinese Medicine for the “Belt and Road Initiative” International Cooperation Program, exporting TCM rehabilitation technology standards to Russia and Kazakhstan.

Dalian Daxiang Engineering Technology Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research and development, design, manufacturing, and technical services of rubber machinery and polymer material processing equipment. The company operates in the specialized equipment manufacturing industry (C3513: Manufacturing of Specialized Rubber Processing Equipment) and is in the mature development stage. Its paid-in capital amounts to RMB 20 million, and it possesses independent legal person status and the right to conduct import/export operations independently.  

The company’s core business covers customized development of key equipment for rubber compounding and shaping, as well as independent research and development of critical components. Typical clients include tire manufacturers (e.g., Zhongce Rubber, Linglong Tire, Sentury Tire, Sailun Group, India’s Apollo Tyres), rubber hose producers (e.g., Vietnam’s Hoa Sen Group), and green manufacturing enterprises for high-performance elastomers. Its core capabilities focus on the manufacturing of complete sets of equipment—including internal mixers, open mills, and calenders—as well as the R&D of key subsystems such as intelligent temperature control systems, PLC-integrated control modules, and online rheological monitoring devices for rubber compounds. Its technological approach integrates mechanical structural optimization with industrial Internet-of-Things (IIoT). The company holds six invention patents, 22 utility model patents, and 11 software copyrights; energy consumption of its key equipment is 12.3% lower than the industry average.  

In 2021, the company obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q31234R1M); in 2023, it was recognized by Liaoning Provincial Department of Industry and Information Technology as a “Specialized, Refined, Distinctive, and Innovative” (Zhuan Jing Te Xin) small- and medium-sized enterprise (Letter No.: Liao Gong Xin Qi Han [2023] 187). Its products comply with safety standards GB/T 12781-2022 and ISO 20435:2020 and have obtained CE and Russian EAC certifications.  

Representative projects include: delivery of a fully automated internal mixing production line to Zhongce Rubber’s Hangzhou base (2023, operational stability: 99.2%); construction of a 50,000-ton-per-year rubber hose compounding workshop for Vietnam’s Hoa Sen Group (completed in 2024—the first full-line export of Chinese rubber equipment to Southeast Asia); and participation in the National Key R&D Program “Key Technologies for Green Manufacturing Equipment of High-Performance Elastomers,” specifically developing the digital twin module for internal mixing processes.  

The company has established an authorized service network covering Vietnam, Thailand, Russia, and Egypt. In 2025, export revenue accounted for 31.6% of total revenue, supporting CE/EAC-compliant deliveries, technology licensing plus engineering implementation, and localized joint services.

Dalian Datong Construction Engineering Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a Grade I general contracting enterprise for construction engineering projects, approved by the Department of Housing and Urban-Rural Development of Liaoning Province (Certificate No.: D121046972). The company has a registered capital of RMB 50 million and is currently in a stable development phase, with regional deepening and technical refinement as its strategic priorities. Its core business focuses on infrastructure and supporting projects related to the chemical industry, including EPC general contracting for industrial plants, renovation of existing chemical industrial parks, green and energy-efficient construction, and municipal supporting projects (including underground comprehensive utility tunnels). Its service portfolio covers coal chemical, fine chemical, new materials industrial park, and new energy equipment manufacturing projects. Its core competencies include integrated management of complex municipal and industrial projects; combined deep excavation support for soft soil foundations (certified as a provincial-level construction method); application optimization of BIM technology in prefabricated building construction; and integration of intelligent monitoring systems for excavation support. The company has obtained five utility model patents (e.g., ZL202120893456.7) and two software copyrights (e.g., 2022SR0876541), and has participated in drafting the Liaoning Provincial Local Standard “Code for Quality Acceptance of Prefabricated Concrete Structure Construction” (DB21/T 3782–2023). The company has been certified under ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System (Certificate Nos.: 00122Q31234R1M, 00122E30987R1M, and 00122S30567R1M, respectively); its qualifications consistently meet dynamic verification requirements, and it has no record of administrative penalties or dishonesty. Representative projects include: Phase II Library of Dalian University of Technology’s Panjin Campus (awarded the 2024 Liaoning Province “Century Cup” Award); Municipal Road Renovation Project for the Dalianwan Subsea Tunnel (including concurrent implementation of a comprehensive utility tunnel); and Phase I EPC Project of Zhuanghe New Energy Equipment Manufacturing Industrial Park (contract value: RMB 418 million).

Dalian Dati Gas Technology Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research and development, production, filling, analytical testing, and supporting services of specialty electronic-grade gases. The company operates within the specialized chemical product manufacturing industry (C2669). Established in 2011, it has fully paid in its registered capital of RMB 20 million and remains continuously operational.

The company’s core business covers the full supply chain of high-purity electronic specialty gases required by high-end manufacturing sectors such as semiconductors, LEDs, photovoltaics, and flat-panel displays. Typical products include 12 gases—such as electronic-grade nitrogen trifluoride (NF₃), tungsten hexafluoride (WF₆), carbon tetrafluoride (CF₄), and octafluorocyclobutane (C₄F₈)—widely applied in wafer etching, thin-film deposition, and cleaning processes.

The company possesses ppq-level trace impurity analysis capability, equipped with ICP-MS, GC-MS/MS, FTIR, and laser spectroscopy platforms. It independently conducts detection of metallic impurities (Fe/Cu/Ni < 10 pg/g), moisture (≤10 ppb), and particulates (≥0.1 μm, ≤1 particle/m³), and holds CNAS accreditation (L16238), covering 21 categories of electronic specialty gas testing items. It holds six authorized invention patents and 14 utility model patents; its “Purification and Trace Impurity Analysis Technology for Electronic Specialty Gases” has been included in the “Liaoning Province Key Promoted New Technologies and Products Guidance Catalogue (2025 Edition).”

The company maintains ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 system certifications, as well as the “Safety Production License for Hazardous Chemicals” (Liaoning WH Anxu Zheng Zi [2023] No. 02-0048), valid until June 30, 2026. In 2022, it successfully passed the re-certification as a High-Tech Enterprise (GR202221200458).

In 2024, the company supplied over 200 metric tons of NF₃ to domestic 12-inch wafer foundries, accounting for approximately 18% of their domestic procurement volume. Its self-developed “Ultra-Low-Oxygen Tungsten Hexafluoride” has passed process validation at SK Hynix’s Wuxi facility and entered small-batch supply—making Dalian Dati the first domestic supplier certified by this customer.

Its products have obtained SEMI S2/S8 safety certification and EU REACH registration (01-2221254225-52-0000). In 2025, exports to South Korea, Singapore, and Malaysia reached RMB 32.8 million, representing approximately 23% of its annual revenue.

Dalian Daping Oleochemical Co., Ltd. is located in the Songmu Island Chemical Industry Park, Jinhua New Area, Dalian City, Liaoning Province. It is a national high-tech enterprise specializing in the research, development, production, and sales of green surfactants and specialty oleochemicals. The company’s registered capital and paid-in capital both amount to RMB 120 million. It possesses an integrated manufacturing capacity of 80,000 tons of surfactants per year. Its business scope encompasses technological R&D, continuous-process engineering, large-scale customized manufacturing, and compliant international delivery. Core products include fatty acid methyl esters, fatty alcohols, alkyl polyglucosides (APGs), ethoxylated fatty alcohols (AEO series), sulfonated oils, amine oxides, and betaines, which are widely applied in fine chemical and green manufacturing fields such as daily chemicals, textile dyeing and printing, metalworking, pesticide adjuvants, oilfield chemicals, and eco-friendly industrial cleaning agents. Key capabilities include independently designed continuous microreactor sulfonation equipment, multi-column coupled molecular distillation systems, a fully automated APG enzymatic synthesis pilot platform, and low-temperature catalytic ethoxylation of fatty alcohols—clean production processes validated through practical application. The company holds 17 authorized invention patents (including core process patents such as ZL201910236782.5) and 23 utility model patents, and has led the formulation of two industry standards: HG/T 5328–2018 “Alkyl Polyglucosides.” It has obtained certifications for ISO 9001:2015 Quality Management System, ISO 14001:2015 Environmental Management System, and ISO 45001:2018 Occupational Health and Safety Management System, and operates a provincial-level enterprise technology center (certified under Liaoning Provincial Department of Industry and Information Technology Document No. [2021] 132). Notable achievements include stable supply of alkyl polyglucosides to Procter & Gamble (P&G) China’s supply chain since 2020; signing a three-year strategic supply agreement with Zhejiang Transfar Zhilian in 2024 to provide customized AEO-9 and amine oxide composite systems for its premium textile auxiliaries; and undertaking Subtask “Application Verification of Bio-based Surfactants in Agricultural Nano-Drug Delivery Systems” under the National Key R&D Program (Project No.: 2024YFB4102302-03). Export markets cover 12 countries, including South Korea, Japan, Vietnam, India, and Turkey. Customs export value reached USD 42.87 million in 2025. All exported products possess REACH registration numbers and KOSHA and JIS certifications, conforming to international regulations and standards such as EU Regulation 2016/1413 and ISO 16128-1:2016, thereby supporting technically compliant deliveries and collaborative customized product development under general trade terms.

Dalian Darlike Technology Co., Ltd. (Stock Code: 301566.SZ), headquartered in Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research, development, manufacturing, and sales of high-end radio frequency (RF) and microwave ceramic capacitors. The company was listed on the ChiNext market of the Shenzhen Stock Exchange in December 2023 and possesses independent, controllable capabilities spanning dielectric material development to full-process mass production. Its core products are Class I multilayer ceramic capacitors (MLCCs), focusing specifically on high-Q, low-ESR, wide-temperature-range (–55°C to +125°C), and high-reliability RF/microwave MLCCs. These products are widely deployed in application domains demanding stringent high-frequency performance and long-term stability, including 5G communication base stations, BeiDou navigation terminals, satellite-borne phased-array radars, aerospace T/R modules, medical imaging equipment, and high-end test instruments. Core competencies include R&D of ultra-low-loss calcium titanate-based dielectric material systems (tanδ ≤ 0.0001 @ 1 MHz); full-process mass production of RF MLCCs in the 01005 size (0.4 × 0.2 mm) — featuring minimum dielectric thickness of 3 μm and interlayer alignment accuracy of ±1.5 μm; closed-loop high-frequency parameter control technology; and customized microwave capacitor array design. The company has established China’s first fully independently operated production line for this specification. It has obtained certifications for ISO 9001:2015, IATF 16949:2016 (for selected production lines), ISO 14001:2015, and ISO 45001:2018 management systems; achieved AEC-Q200 automotive-grade MLCC certification; and passed MIL-PRF-55681 military standard screening tests. It holds 37 authorized invention patents (including 3 PCT patents) and 41 utility model patents. Representative achievements include supplying critical filtering/matching capacitors for Huawei’s 5G base station RF front-ends; delivering customized high-stability microwave MLCCs for three consecutive years to research institutes under China Electronics Technology Group Corporation (CETC); mass deployment in BeiDou-3 terminals, T/R modules for a specific early-warning aircraft, and EMI filtering units within the avionics system of the COMAC C919 passenger aircraft; and participation in two sub-tasks under the national science and technology major project “Core Electronic Components.” In 2024, export revenue accounted for 18.7% of total revenue. Customers span Rohde & Schwarz (Germany), Murata’s designated ODM partners (Japan), and Samsung Electronics’ RF solution providers (South Korea). The company has passed EU CE and U.S. FCC certifications, possesses capability to collaboratively revise standards per IEC/TC40 international standards, and supports technology licensing, consortium cooperation, and cross-border engineering support delivery.