Search

Dalian Longping Decoration Engineering Co., Ltd. was established on April 25, 2006, with Xu Jiaping as its legal representative. Its registered address is Room 102, Village Committee Building, Jianglou Village, Xinmin Village, Shicheng Township, Zhuanghe City, Liaoning Province. The company is a limited liability company wholly owned by a natural person, with a registered capital of RMB 20 million (of which RMB 500,000 has been actually paid in). It is classified as a micro-enterprise in the metal products industry and had four employees enrolled in social insurance in 2024. The company’s primary business includes manufacturing metal doors and windows, as well as undertaking interior and exterior decoration and renovation projects, covering construction projects such as building curtain walls, steel structures, and municipal engineering. It holds Grade II professional contracting qualifications for three categories: building decoration and renovation engineering, waterproofing, anti-corrosion, and thermal insulation engineering. The company received an A-grade tax credit rating consecutively in 2020, 2022, and 2023; it possesses construction enterprise qualifications and six administrative permits. During its operations, the company has been involved in judicial cases related to construction project contract disputes and has participated in bidding and tendering projects such as China Mobile Construction Liaoning Branch’s recruitment of industry partners. Shareholder Xu Jiaping holds 100% equity, with a subscribed capital contribution of RMB 20 million and an actual paid-in capital of RMB 500,000.

Dalian Kesen Environmental Engineering Co., Ltd. was established in 2003, with its registered address located in Ganjingzi District, Dalian City, Liaoning Province. It is a high-tech enterprise specializing in the implementation of industrial environmental protection projects and operation & maintenance (O&M) of environmental facilities. The company’s registered capital is RMB 10 million; it is currently active and operational. Its primary revenue sources at present include comprehensive VOCs (volatile organic compounds) control, flue gas desulfurization and denitrification, industrial exhaust gas treatment, and third-party O&M services for environmental protection facilities. It qualifies as a medium- or small-sized environmental technology service provider capable of delivering engineering projects within its regional market.  

The company’s core business covers typical industrial sectors such as petrochemicals, equipment manufacturing, shipbuilding and repair, and chemical industry parks. It primarily serves fine chemical plants, coal chemical auxiliary workshops, and large-scale energy bases where urgent VOCs emission control and environmental upgrading are required. Its key capabilities encompass the engineering application of hybrid technologies—specifically “zeolite rotor + RTO (Regenerative Thermal Oxidizer)” and “low-temperature plasma + photocatalysis”—specialized contracting for environmental engineering projects (Grade III qualification), full-process EPC (Engineering, Procurement, Construction) project management, and integrated retrofitting and long-term O&M services for complete RTO incineration systems. It delivers full-cycle project execution—from conceptual design, equipment selection, installation and commissioning, to five-year facility托管 (managed services).  

The company holds a Grade III qualification for specialized contracting of environmental engineering projects (Certificate No.: D321111905, valid until December 2026) and a Work Safety Production License (Liao JZ An Xu Zheng Zi [2020] No. 020182). It was certified as a National High-Tech Enterprise in 2018 (Certification No.: GR201821200127); however, as of March 2026, no record of renewal registration appears on the official National High-Tech Enterprise Certification and Management Network.  

Representative projects include:  
- The VOCs control EPC project for the cast steel workshop of Dalian Huarui Heavy Industry Co., Ltd. (2019; contract value approx. RMB 6.8 million);  
- Third-party O&M services for supporting environmental facilities at the Liaoning Hongyanhe Nuclear Power Station (2021–2024); and  
- The centralized RTO incineration system upgrade and retrofit project for a chemical industry park in Yingkou (2022).  

All projects are located in Northeast China, and clients are predominantly heavy industrial manufacturing enterprises.

Dalian Kedun Anti-fouling Materials Co.,Ltd, located in Yingchengzi Subdistrict, Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in research and development of metal corrosion protection technologies, manufacturing of anti-corrosion materials, and engineering applications. Its primary industries are specialty chemical product manufacturing (C2662) and industrial corrosion protection engineering services (E4892). The company is currently in a phase of scaled growth, with registered capital of RMB 10 million fully paid-in.  

The company’s core business covers heavy-duty anti-corrosion coatings (including epoxy zinc-rich, solvent-free polyurethane, and graphene-modified coatings), cathodic protection materials (flexible anode tapes and high-silicon cast iron anodes), and intelligent anti-corrosion monitoring systems (multi-parameter remote data acquisition terminals based on the Internet of Things). These products are widely applied in harsh corrosive environments such as marine engineering, oil & gas storage and transportation, supporting facilities for nuclear power plants, cross-sea bridges, and underground integrated utility tunnels.  

The company has established the Liaoning Provincial Enterprise Technology Center. Over the past three years, its R&D expenditure has averaged 7.3% of annual revenue. It holds 11 authorized invention patents and 27 utility model patents, and has led or participated in drafting industry and group standards including JB/T 14203-2022. Its KD-FP series fluorocarbon-modified organic-inorganic hybrid coating has passed testing by the China Shipbuilding Industry Comprehensive Technical and Economic Research Institute (Report No. CSIE-2024-CORR-0887), demonstrating salt-spray resistance exceeding 10,000 hours and achieving ISO 12944-6 C5-M—the highest corrosion protection rating.  

The company holds the following certifications and licenses: Safety Production License (Liaoning WH Anxu Zheng Zi [2022] No. 02-0087); National Industrial Product Production License (XK13-013-00127); ISO 9001/14001/45001 integrated management system certifications; China Classification Society (CCS) Product Approval Certificate (No. CCS2023-PRA-1128); and Sinopec’s “Material Supplier Admission Qualification Certificate” (Sinopec Material Procurement [2025] Admission No. 092).  

Representative projects include:  
- Completion of the exterior tank wall anti-corrosion upgrade for Phase II of the Huizhou LNG Receiving Terminal in Guangdong Province (contract value: RMB 28.6 million), utilizing solvent-free polyurethane coating to reduce construction duration by 35%;  
- Implementation of the cathodic protection system retrofit for circulating water pipelines of Unit #2 at Sanmen Nuclear Power Plant (China National Nuclear Corporation), involving installation of over 120,000 linear meters of flexible anode tape, with stable system potential meeting GB/T 21448-2018 requirements;  
- Winning the EPC contract for anti-corrosion works on the Jakarta–Bandung High-Speed Railway cross-sea bridge project in Indonesia, delivering an integrated overseas package comprising coatings and intelligent monitoring systems.  

Currently, the company serves clients across 28 provinces, municipalities, and autonomous regions within China, and maintains a technical service representative office in Singapore (ROC No. 202418765K). It has established long-term supply partnerships with MMC Corporation (Malaysia) and Vinacomin Group (Vietnam).

Dalian Kaihua New Technology Engineering Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a high-tech enterprise established in 1993 and operating continuously for over thirty years. The company specializes in industrial process automation and intelligent instrumentation system integration, falling within the instrumentation manufacturing industry and providing industrial automation solutions; it is currently in a stable development phase. Its core business covers research, development, and manufacturing of thermal instrumentation and field detection instruments—including pressure, temperature, flow, and level measurement devices—as well as integration of Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC), and customized automatic control engineering services tailored to industries such as petrochemicals, coal chemical processing, fine chemicals, metallurgy, and environmental protection wastewater treatment. Its key capabilities include domestic substitution of highly reliable industrial field instruments, backed by extensive experience ensuring long-term stable operation under wide-temperature-range, strong electromagnetic interference, and explosion-proof environments. The company holds five utility model patents (e.g., explosion-proof intelligent pressure transmitters, multi-channel temperature acquisition modules) and seven software copyrights (including KHT-2000 Process Control Configuration Software V3.2); its technical strategy focuses on lightweight deployment of edge-side control algorithms and realization of closed-loop perception–basic control at the field layer. The company has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 0012022Q30001R0M, valid until November 2025), holds Grade III Professional Contracting Qualification for Building Mechanical and Electrical Installation Engineering (Liaoning Construction Safety Permit No.: [2020] 020056), and has been listed in the “Liaoning Province Catalogue of Key Equipment (First-of-a-Kind/First-Batch) Promoting Application (2023 Edition)” as a supplier of supporting control systems. Representative projects include retrofitting auxiliary machine control systems for two 350 MW units at Huaneng Dalian Power Plant; implementing an intelligent optimization control system for coke oven heating at a coking plant under Anshan Iron and Steel Group; and delivering integrated online water quality monitoring and automatic control systems for multiple wastewater treatment plants in Dalian City. Projects have covered Liaoning, Jilin, Heilongjiang, Inner Mongolia, and Hebei provinces.

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 Hongsheng Construction Engineering Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a growth-oriented construction enterprise rooted in the local region and focused on building construction and municipal public works. The company’s core business covers construction of supporting infrastructure for chemical industrial parks; construction of front-area facilities and auxiliary infrastructure for petrochemical and fine chemical enterprises; construction of environmental protection treatment plants and related structures; installation of mechanical and electrical equipment for chemical projects; and construction of steel-structure factories. Its primary clients are small- and medium-sized chemical, new-materials, and environmental-protection enterprises based in Dalian and throughout Liaoning Province. The company’s core capabilities include holding multiple construction qualifications approved by the Ministry of Housing and Urban-Rural Development: Grade III General Contracting Qualification for Building Construction (Certificate No. D321082008); Grade III General Contracting Qualification for Municipal Public Works; Grade II Specialized Contracting Qualification for Building Decoration and Renovation; and Grade III Specialized Contracting Qualification for Steel Structure Engineering. These qualifications enable the company to independently undertake medium-scale civil and electromechanical integrated construction tasks for chemical-related facilities—including factory buildings, pipe rack foundations, pumping stations, wastewater treatment structures, and transformer substations—covering the full project delivery process from drawing detailing, on-site construction, to single-unit commissioning. All its construction enterprise qualification certificates are issued by the Department of Housing and Urban-Rural Development of Liaoning Province. Representative projects include: (1) the outdoor supporting engineering works (including water supply and drainage, electrical systems, roads, and ancillary facilities) for a resettlement housing project in Ganjingzi District, Dalian City, awarded in 2022 with a winning bid amount of approximately RMB 12.8 million; and (2) the renovation and reconstruction of a factory building in a high-tech industrial park in Dalian High-Tech Zone, completed in 2023, involving structural reinforcement, pre-buried process piping, and mechanical and electrical installation, with a winning bid amount of approximately RMB 9.6 million. Both projects fall under the category of supporting infrastructure for chemical-industry-linked industrial parks.

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 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 Fangyuan Air Conditioning Equipment Engineering Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the integration, design, installation, commissioning, and full-lifecycle operation and maintenance services of HVAC (heating, ventilation, and air conditioning) systems. Its industry classification falls under “intelligent building construction and HVAC engineering and technical services” within the building installation sector. The company is currently in a mature development stage, with registered capital of RMB 10 million and 32 employees covered by social insurance in 2025.  

The company’s core business focuses on specialized applications requiring stringent control over temperature, humidity, cleanliness, and system reliability—such as chemical industrial plants, pharmaceutical cleanrooms, and power station facilities supporting data centers—serving engineering projects in coal chemical, fine chemical, biopharmaceutical, and new materials sectors. Its core capabilities encompass end-to-end delivery of central air-conditioning systems, including building automation system (BAS) integration based on the BACnet protocol; installation and commissioning of HVAC equipment for large public buildings and industrial projects; renovation and upgrading of cleanroom air-conditioning systems; and long-term maintenance and technical support services. Technical implementation strictly adheres to specifications set by leading equipment manufacturers such as Gree, Midea, and McQuay, and the company possesses comprehensive execution capabilities spanning solution design, equipment selection, construction organization, and system integrated commissioning.  

The company holds two qualifications issued by the Liaoning Provincial Department of Housing and Urban-Rural Development: “Grade III Professional Contracting Qualification for Building Mechanical and Electrical Installation Engineering” and “Grade II Professional Contracting Qualification for Fire Protection Facilities Engineering” (Certificate No.: D321112222), both valid until December 2026. It also maintains ISO 9001:2015 / GB/T 19001–2016 Quality Management System Certification (issued by China Quality Certification Centre, CQC; certificate valid) and the Liaoning Province Work Safety Production License (License No.: Liao JZ An Xu Zheng Zi [2021] 020123).  

Representative projects include: the cleanroom air-conditioning system renovation project for Building E of the First Affiliated Hospital of Dalian Medical University (completed in 2022, contract value approximately RMB 8.6 million); the three-year maintenance and repair service contract for HVAC equipment at Terminal 2 of Dalian Zhoushuizi International Airport (awarded consecutively for 2023–2025, with annual service value exceeding RMB 3.2 million); and the air-conditioning automation system integration project for Phase II of Dalian Henglong Plaza (delivered in 2024).