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Dalian Jinzhou China Gas Urban Gas Development Co., Ltd. is located in the Jinpu New Area of Dalian City, Liaoning Province. It is a franchised urban gas operator approved by the Liaoning Provincial Department of Housing and Urban-Rural Development and holding a Gas Business License (No. Liao 202202010001G). The company’s primary business includes natural gas transmission and distribution, gas supply to residential and commercial/industrial users, and investment, construction, operation, and maintenance management of gas facilities. It falls under the “Urban Gas Production and Supply Industry” category (D4501 per GB/T 4754-2017) and operates at a mature stage, serving a population exceeding 1.2 million. To date, it has connected over 350,000 residential piped-natural-gas users and more than 4,800 commercial/industrial users.  

The company focuses on supporting infrastructure for chemical and energy sectors, providing high-pressure/medium-pressure gas transmission and distribution engineering design support, LNG emergency vaporization station construction and commissioning, intelligent renovation of aging pipelines, SCADA system integration, and AI-driven gas leakage early-warning technical services for petrochemical parks, industrial agglomeration zones, large-scale manufacturing enterprises, and urban gas peak-shaving systems. Its core capabilities cover the full lifecycle management of gas transmission and distribution systems, including Class GB1 pressure pipeline installation (Certificate No. TS3821E43-2027), pressure vessel operation and filling, construction of medium- and high-pressure pressure regulation stations (17 completed), commissioning of LNG emergency peak-shaving stations (the Sandaoli Village Station has a daily vaporization capacity of 300,000 m³), IoT-based upgrades of NB-IoT smart gas meters and automatic shut-off valves (covering 100,000 households), and deployment—via China Gas’ Intelligent Platform—of a leakage early-warning model trained on data from over 2,000 sensors (false alarm rate < 0.3%). The company has obtained ISO 9001, ISO 14001, and ISO 45001 certifications and been recognized as a Level-II Standardized Enterprise for Work Safety in Liaoning Province; it also holds relevant special equipment permits. Representative projects include the “Jinpu New Area High-Pressure Natural Gas Ring Network Interconnection Project” (awarded the Liaoning Provincial Municipal Infrastructure Quality Project Award), the “Sandaoli Village LNG Emergency Peak-Shaving Station,” and the “Gas End-User Safety IoT Retrofit Project.” All external cooperation activities are centrally coordinated and implemented under the China Gas Group. The company offers collaboration options—including gas infrastructure consulting, localized EPC retrofitting, intelligent monitoring system integration, and operation & maintenance technical support—to domestic chemical industrial parks.

Dalian Jinhua China Gas Urban Gas Development Co., Ltd. is located in the Jinpu New Area of Dalian City, Liaoning Province. It is a regional gas infrastructure investment, construction, and operation & maintenance service enterprise approved by the Liaoning Provincial Department of Housing and Urban-Rural Development and authorized with a special franchise for urban gas operations. The company was jointly established by China Gas Group and a state-owned platform company of Dalian Jinpu New Area. Currently, it is in the stage of scaled operations and deepened pipeline network construction, serving the entire Jinpu New Area (including parts of the former Jinzhou District and Pulandian District, as well as the Bonded Zone), covering 12 subdistricts and 15 key industrial parks. Its core business focuses on implementation of gas transmission and distribution system projects and technical services, supporting livelihood-oriented coal-to-gas conversion projects, township gasification initiatives, natural gas infrastructure development for industrial parks, LNG emergency peak-shaving storage and distribution, among other applications. It provides stable gas supply to over 420,000 residential users, more than 2,100 commercial and industrial users, and energy facilities within the Dalian Pilot Free Trade Zone. Its core capabilities include full-lifecycle management of medium- and low-pressure gas pipeline networks (with over 1,860 kilometers constructed cumulatively), Class GB1 pressure piping installation and renovation (Certificate No.: TS3821F07-2026), intelligent gas operation monitoring based on an integrated SCADA+GIS+AI indoor safety inspection early-warning model, and deep involvement in drafting the “Technical Guidelines for Renovation of Aging Urban Gas Pipeline Networks in Liaoning Province (Trial).” It has successfully implemented three technological transformations, including applications of PE100-RC double-wall corrugated pipes and remote self-diagnostic modules for intelligent pressure regulation cabinets. The company holds Gas Operation License No. Liao Ran Jing Zi [2022] 0201001 (valid until December 2027), ISO 9001:2015 and ISO 45001:2018 management system certifications (Certificate No.: 00122Q312345R1M, renewed in November 2025), and has been recognized as a “Level-II Standardized Enterprise for Safety Production” in Dalian City (DLAQ-BZ-2024-089). Representative projects include the natural gas infrastructure project for the Jingshitan Resort Area (commissioned in 2023), the full-scale gasification project for the Sanshilipu Subdistrict (gas supply commenced in 2024), and the LNG emergency peak-shaving storage and distribution station for the Dalian Pilot Free Trade Zone (scheduled for completion in October 2025, with a designed storage capacity of 300,000 cubic meters).

Dalian Jinguang Building Materials Technology Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research and development, manufacturing, and systematic application services of novel construction waterproofing materials. Its industry classification falls under “Waterproof Building Material Manufacturing” (C3033), a subcategory of “Non-Metallic Mineral Products Industry,” and the company is currently in a phase of scaled expansion. It was first certified as a national high-tech enterprise in 2020 (Certificate No.: GR202021210178) and successfully passed its re-evaluation in 2023; the certification remains valid until 2026.  

Its core business focuses on waterproofing systems tailored for chemical engineering projects in severely cold regions, covering applications such as waterproofing underground utility tunnels in coal chemical plants, anti-seepage layer construction for petrochemical storage tank foundations, root-puncture-resistant roofing solutions for fine chemical factories, and wet-applied self-adhesive membrane applications in pilot-scale facilities for new materials.  

The company’s core technical capabilities are embodied in three technological pathways:  
(1) Cold-region-specific SBS/APP modified bituminous membranes (validated to withstand repeated bending at −35°C without cracking);  
(2) Polymer-based self-adhesive pre-applied membranes with reverse adhesion (suitable for joints in diaphragm walls);  
(3) Composite methodology combining non-curing rubberized asphalt coating with membranes (achieving zero leakage throughout the entire service life).  

The company holds 3 invention patents, 12 utility model patents, and 2 software copyrights—all verifiable via the official website of the China National Intellectual Property Administration.  

In terms of qualifications, it possesses: Class II Professional Contracting Qualification for Building Waterproofing Engineering (Certificate No.: D221087654); Production License for Nationally Regulated Industrial Products (Certificate No.: XK08-005-00123); and ISO 9001/14001/45001 integrated management system certifications (valid until February 2027).  

Representative projects include: the structural waterproofing project for Dalian Metro Line 5 stations (2022–2024, third-party inspection confirmed zero leakage rate); the diaphragm wall joint waterproofing system for Terminal T3 of Harbin Taiping International Airport (2023); and the full-life-cycle waterproofing solution for the New Song Robotics Industrial Park in Shenyang (2021–2025). Technical services currently cover the Bohai Rim Economic Zone and Northeast China. Collaboration models include technology licensing, customized material supply, integration with BIM collaborative design platforms, and end-to-end delivery including on-site construction guidance.

Dalian Hengshun Wantong Industrial Equipment Co., Ltd. was established in January 2012. It is an enterprise specializing in the research and development, manufacturing, sales, and technical services of industrial equipment, and has obtained international management system certifications including ISO 9001, ISO 45001, and ISO 14001.  
Our company has engaged in in-depth cooperation with numerous well-known domestic and international enterprises. For many years, we have consistently prioritized meeting customer needs as our fundamental objective, providing customers with professional equipment solutions better suited to their practical requirements. Through continuous efforts, progress, and exploration over the years, our company has achieved steady development in the following business areas: R&D and manufacturing of fluid equipment; equipment maintenance, repair, and major overhauls; equipment management; service outsourcing; and sales and services of internationally renowned industrial brand products. Our business covers multiple industries, including metallurgy, ports, rubber and plastics, automotive, tires, power generation, machine tools, and pharmaceuticals. We have established long-term, stable cooperative relationships with numerous well-known enterprises such as Huarui Heavy Industry, Dalian Rubber & Plastics Machinery Group, Goodyear Tire, SKF Bearings, Chery Automobile, and FAW-Volkswagen. With our high-quality products and comprehensive services, we have become a trusted partner for our customers.  
Meanwhile, our company possesses a highly competent technical team with extensive project experience. We emphasize industry innovation as well as the recruitment and training of talent, adhering to our corporate mission of “achieving success for customers, building strong brands, and empowering employees,” and following our corporate philosophy of “integrity builds quality; innovation leads the future.” By integrating excellent management practices, we provide customers with more professional and comprehensive services.  
Core Business: Dalian heat exchanger cleaning, Dalian Alfa Laval heat exchangers, Dalian hydraulic cylinder repair.

Dalian Hiscien Engineering Co.,Ltd. is registered in Ganjingzi District, Dalian City, Liaoning Province. It is a technology-driven high-tech enterprise specializing in marine engineering equipment technical services and intelligent control system integration. Established in 2003, the company has a registered capital and paid-in capital of RMB 10 million. Its business status is “in operation.” It has been consecutively recognized for multiple years as a Liaoning Provincial Science and Technology-based Small and Medium-sized Enterprise (SME) and a Dalian Municipal “Specialized, Refined, Distinctive, and Innovative” SME.  

The company’s core businesses focus on: design and delivery of offshore platform monitoring systems; intelligent retrofitting of marine propulsion systems; development of industrial field data acquisition and edge computing platforms; and full-lifecycle digital twin operation & maintenance solutions for marine engineering equipment. Its clients include central state-owned enterprises and local backbone enterprises such as China Oilfield Services Limited (COSL), China Merchants Energy Shipping Co., Ltd., Guangzhou Shipyard International Co., Ltd., and Wuchuan Group Corporation. Its services also extend to engineering scenarios strongly associated with chemical process safety and energy efficiency, including coal chemical industry applications, LNG dual-fuel vessel energy efficiency optimization, and intelligent inspection of FPSO engine rooms.  

The company possesses a three-tier architectural capability spanning: the sensor layer (self-developed highly corrosion-resistant MEMS inclinometer/vibration modules); the edge gateway layer (HX-EdgeBox series, certified for electromagnetic compatibility per IEC 61850-3); and the platform layer (Haixin iMarineOS v4.1, supporting dual-protocol connectivity via OPC UA and MQTT), enabling millisecond-level response and predictive maintenance. It holds six valid invention patents, 18 utility model patents, and 23 software copyrights. Among these, the “Offshore Platform Structural Health Monitoring System V3.2 Based on Multi-source Heterogeneous Sensor Fusion” received the Second Prize of the China Navigation Society’s 2024 Science and Technology Progress Award and has been deployed in the real-time safety assessment project for COSL’s Bohai jacket platform.  

The company has obtained certification under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. It holds the “Approval Certificate for Special Equipment Inspection and Testing Institutions” (TS7721001-2027) and the “Filing Certificate for Security Confidentiality Conditions for Military Industry-Related Business Consulting Services” (Liaojunzi Bei [2022] No. 079). It has been selected into the Ministry of Industry and Information Technology’s (MIIT) Key “Little Giant” Enterprise Cultivation Database for the Marine Engineering Equipment Sector (2025–2027).  

In 2023, it completed the integrated delivery of China Classification Society (CCS)-certified AI inspection robot system for the engine room of the FPSO “Haiyang Shiyou 119,” the first such domestic system. In 2024, it undertook construction of the energy efficiency optimization platform for the propulsion system of Dalian Shipbuilding Industry Company’s LNG dual-fuel bulk carrier, obtaining the DNV GL Eco Design Compliance Statement. Its service network covers the Bohai Rim, the Yangtze River Delta, and the Guangdong-Hong Kong-Macao Greater Bay Area. It has passed the supplier qualification audit by DNV (Det Norske Veritas) and exported monitoring system components to Keppel Offshore & Marine in Singapore. It has also completed the localization replacement and retrofitting of the propulsion monitoring system for aging tugboats at Da Nang Shipyard in Vietnam, demonstrating its capability for marine engineering digital delivery in ASEAN markets. Cooperation models include technology licensing plus engineering implementation, joint laboratory establishment, EPC subcontracting, and customized system integration services.

Dalian Guotie Equipment Manufacturing Co., Ltd., located in the Jinpu New Area of Dalian City, Liaoning Province, is a state-controlled manufacturing enterprise affiliated with CRRC Corporation Limited (A-share code: 601766). The company focuses on research and development, manufacturing, and maintenance services for critical components of railway locomotives and rolling stock. It operates stably at a large scale and is neither a startup nor a company undergoing transformation. Its core business is strictly confined to the rail transit equipment supporting sector and does not involve direct applications in chemical engineering. However, capabilities accumulated by the company—such as high-end metal structural component manufacturing, fatigue-life control under complex operating conditions, high-precision non-destructive testing, and major-overhaul-level remanufacturing technical services—can be extended to support scenarios in coal chemical and petrochemical industries requiring highly reliable pressure-bearing/moving components, heavy-duty steel structural modules, and specialized maintenance processes. The company possesses full-process manufacturing capability for bogie frames, brake discs, wheelset assemblies, suspension devices, and carbody steel structural modules. It employs Q500E high-strength steel, narrow-gap submerged arc welding, and localized heat treatment; the fatigue life of its bogie frames exceeds 12 million cycles (complying with TB/T 1335-2018). The company hosts a provincial-level enterprise technology center certified by Liaoning Province and holds 12 valid invention patents and 47 utility model patents, two of which have been industrialized. It is certified under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018, and holds the “Railway Transport Infrastructure Equipment Manufacturer License” (TXZ2020-037) issued by the National Railway Administration and the CRCC Railway Product Certification (CRCC10222001234). Since 2018, it has continuously supplied over 1,200 bogie frames for the HXN3B shunting locomotive to CRRC Dalian Co., Ltd. From 2021 to 2024, it undertook maintenance and remanufacturing of brake caliper units for the Fuxing intelligent EMU CR400AF-Z, averaging over 800 units annually. Additionally, it provides non-disassembly wheelset ultrasonic testing and service-life assessment services for 12 primary locomotive models—including DF4D and HXD3C—for six railway bureaus, including Beijing, Xi’an, and Chengdu.

Dalian Guohua Heating Supply Co., Ltd., located in Dalian City, Liaoning Province, is a municipal public utility enterprise registered with and approved by the Dalian Municipal Market Supervision Administration, possessing independent legal person status. The company primarily provides centralized urban heating services and serves as a regional backbone heating service provider, covering Zhongshan District, Xigang District, Shahekou District, and parts of the High-Tech Industrial Development Zone. Its registered capital amounts to RMB 50 million. The company’s registration status is “active,” and its core function at this stage is ensuring basic livelihood-related heating needs; it is currently focused on deepening operations within its region and maintaining compliant operations. The company’s main business activities center on four areas: thermal energy production and supply; inspection and maintenance of heating facilities; construction and renovation of heating pipelines; and promotion of energy-saving technologies. Its primary clients include urban public buildings, residential housing, and certain industrial heat-consuming entities. The company possesses foundational engineering implementation capabilities in scenarios such as aging pipeline replacement, waste heat recovery and utilization, and intelligent operational monitoring. Its core competencies include delivery of Class I heating pipeline renovation projects (approximately 28 kilometers completed cumulatively), integration with Dalian’s Intelligent Heating Supervision Platform enabling real-time transmission of pressure, temperature, and flow data, and stable energy supply leveraging waste heat recovery from Dalian Power Plant and its own natural gas-fired boiler plant. It offers end-to-end technical service support—from heat source integration and pipeline design/construction to remote operation and maintenance. Representative achievements include participation in Dalian’s “Three-Year Campaign for Renovation of Aging Heating Pipelines” under the city’s 14th Five-Year Plan, completion of pipeline renovations in the Jiefang Road area of Zhongshan District and the Beijing Street area of Xigang District, and consecutive annual recognition as an “Outstanding Heating Service Unit in Dalian City.” During the 2023–2024 heating season, its user complaint rate was 1.3 percentage points lower than the citywide average, and indoor temperature compliance rate exceeded 98.7%.

Dalian Good Pharmaceutical Equipment Co., Ltd. is located in the Jinpu New Area of Dalian City, Liaoning Province. It is a national high-tech enterprise specializing in the research and development, design, manufacturing, and system integration of process equipment for the pharmaceutical industry. The company operates in the specialized equipment manufacturing industry (C3569), with a focus on GMP-compliant pharmaceutical equipment and automated control systems. Established in 2003, the company was certified as a high-tech enterprise in 2021 (Certificate No.: GR202121000786), valid until 2024. It has already submitted its re-evaluation materials and been incorporated into the dynamic management system of Liaoning Province’s High-Tech Enterprise Incubation Database.  

The company’s core business covers end-to-end equipment and system services for oral solid dosage forms. Typical application scenarios include wet granulation, fluidized-bed drying and coating, aseptic isolator operations, and pharmaceutical process data acquisition and traceability. Its primary customers include leading pharmaceutical enterprises such as Hengrui Medicine, Qilu Pharmaceutical, Shiyao Group, and China Resources Double-Crane, supporting their construction of intelligent solid-dosage-form workshops. Core capabilities encompass the manufacturing of complete sets of equipment—including fully automatic wet granulators, integrated fluidized-bed drying and coating lines, and aseptic isolator systems—as well as the development and validation of computerized systems based on PLC + SCADA architecture (complying with FDA 21 CFR Part 11 and China’s GMP Annex “Computerized Systems”). The company has established a Liaoning Provincial Enterprise Technology Center and holds a total of 32 authorized patents, including 6 invention patents, all currently “authorized and valid.”  

The company holds a Medical Device Production License (Liaoning Food and Drug Administration Medical Device Production Permit No.: 20220045), ISO 9001:2015 and ISO 13485:2016 quality management system certifications, and EU CE certification (under Machinery Directive 2006/42/EC, issued by TÜV Rheinland, valid until February 2027). In 2023, it won the bid for Inner Mongolia Federal Pharmaceutical’s “Phase II Intelligent Solid-Dosage-Form Workshop” project (contract value: RMB 28.6 million), marking its transition from supplying individual machines to providing modular intelligent production line turnkey solutions. Internationally, the company has exported complete sets of oral solid-dosage-form equipment to Belt-and-Road Initiative countries including Vietnam, Bangladesh, and Egypt, and has obtained import permits from Saudi Arabia’s SFDA and medical device registration certificates from Kazakhstan’s Eurasian Economic Union (EAEU). Currently, cross-border delivery is conducted via collaboration with local agents and remote engineering support.

Dalian High-tech Zone Guangyuan Thermal Power Co., Ltd., located in the Dalian High-tech Industrial Development Zone, Liaoning Province, is a regional centralized heating infrastructure operation enterprise approved by the Dalian High-tech Zone Administrative Committee and controlled by state-owned capital. Its core business focuses on thermal energy production and supply services within the urban public utilities sector, classifying it as a municipal engineering technical service and facility operation & maintenance entity. The company’s registered capital is RMB 10 million; its registration status is “active.” It serves approximately 2.1 million square meters of heating area across parts of Lingshui Subdistrict and Longwangtang Subdistrict, covering over 18,000 users. Its primary business activities include construction and renovation of urban centralized heating systems, intelligent upgrades of heating pipelines, boiler room operational support, and heating technology consulting services. Typical clients include residential buildings, public buildings, and industrial users requiring medium- and low-temperature hot water—particularly those demanding stable thermal energy supply for chemical industry park supporting energy facilities and safe, phased replacement of aging pipeline networks. Core capabilities encompass full-chain installation and renovation of primary network pressure pipelines (GB2 category) with nominal diameters ranging from DN300 to DN600. The company holds Grade III professional contracting qualification for building mechanical and electrical installation engineering, enabling it to deliver end-to-end technical solutions—from collaborative design, equipment installation, commissioning and startup, to data integration with intelligent regulatory platforms—for heating systems. In 2024, the company completed the intelligent renovation project for aging pipelines along Lingshui Road, enabling real-time remote transmission of critical parameters—including temperature, pressure, and flow rate—to the High-tech Zone Intelligent Energy Regulatory Platform. The company holds a Construction Enterprise Qualification Certificate issued by the Liaoning Provincial Department of Housing and Urban-Rural Development (Certificate No.: D321121090) and a Special Equipment Production License approved by the State Administration for Market Regulation (License No.: TS3821A97-2025; scope of authorization: GB2 pressure pipeline installation). Its primary modes of collaboration include localized EPC-based renovation of heating facilities, operation & maintenance technical support, and technical consulting services.

Dalian Port Petrochemical Co., Ltd., located in Xigang District, Dalian City, Liaoning Province, is a modern enterprise specializing in port-based petrochemical logistics and energy storage & transportation services within the transportation support industry. Established jointly in 2004 by Liaoning Port Group Co., Ltd. and PetroChina Kunlun Energy Co., Ltd., the company has registered capital of RMB 1 billion and is recognized as a National Level-1 Enterprise for Dangerous Chemicals Safety Production Standardization and a Liaoning Provincial High-Tech Enterprise. Its core business encompasses storage, transshipment, loading/unloading, blending, bonded logistics, and value-added supply chain services for refined oil products and chemical commodities, providing deep support to sectors including petrochemicals, refining & petrochemical integration, biofuels, and bonded trade. Typical clients include global energy enterprises such as CNPC, Sinopec, CNOOC, Shell, BP, and Trafigura. The company operates a specialized petrochemical terminal cluster at the Dagushan Port Area, comprising one 50,000-DWT and one 300,000-DWT crude oil berth, plus seven refined oil and liquid chemical berths ranging from 50,000 to 100,000 DWT. Supporting these terminals are modern storage & transportation facilities with a total tank capacity exceeding 2 million cubic meters (including 800,000 cubic meters of bonded tank capacity), enabling full-category handling and storage of over 60 hazardous chemicals—including crude oil, fuel oil, gasoline, diesel, aviation kerosene, benzene, methanol, and ethylene glycol. The company has established a Liaoning Provincial Enterprise Technology Center and holds 23 authorized patents (including 7 invention patents). Key implemented projects include: “AI Vision-Based Real-Time Risk Early Warning System for Hazardous Chemicals Operations” (functionally verified by China Classification Society in 2024), LNG cold energy cascaded utilization, intelligent ship-shore joint inspection data exchange platform, and digital twin scheduling system for multimodal hazardous chemicals transportation. The company has obtained ISO 9001, ISO 14001, and ISO 45001 certifications and holds the “Port Operation License,” “Hazardous Chemicals Business License,” “Bonded Logistics Center (Type B) Registration Certificate,” and Customs AEO Advanced Certification. Representative projects include: completion in 2022 of China’s first port-level marine biofuel (HVO) blending and mixing center (annual processing capacity: 300,000 tons); execution since 2023 of regular bonded transshipment of Far East Russian crude oil via Dalian Port to refineries in the Yangtze River Delta region (annual transshipment volume exceeding 12 million tons); and launch in 2024 of the “Smart Customs Clearance Service Platform for Petrochemical Commodities,” reducing the end-to-end import process for hazardous chemicals to under four hours. International business operations primarily rely on collaborations with multinational freight forwarders, shipping lines, and energy traders; foreign trade throughput accounts for 58.3% of total throughput, serving markets in Japan, South Korea, Russia, Mongolia, and Southeast Asia, and integrating with the RCEP member countries’ automatic certificate-of-origin verification system.