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Dalian Ketai Liquefied Petroleum Gas Co., Ltd. is located in Yangquanzi Village, Gezhenbao Subdistrict, Ganjingzi District, Dalian City, Liaoning Province. It is a gas supply enterprise specializing in regional storage, transportation, and distribution services for liquefied petroleum gas (LPG), established in 2003 with a registered capital of RMB 10 million. The company is wholly owned by natural persons, has no state-owned or foreign investment background, and functions as a specialized storage-distribution and end-user delivery service provider within the urban gas supply chain. Its core business includes LPG storage, fully automated filling, wholesale, and cylinder delivery. Its service coverage encompasses over 1,200 catering establishments and 32,000 residential users across northern Dalian City (including Ganjingzi District and parts of Pulandian District). The company has also undertaken emergency LPG supply tasks during the transitional “cylinder-to-pipeline” period for three subdistricts in Jinzhou New Area. Its core competencies center on safe operation of LPG storage-distribution stations and standardized delivery systems: it owns one proprietary storage-distribution station (equipped with two 150-m³ horizontal storage tanks, totaling 300 m³ storage capacity), features a fully automated filling line and electronic metering system, and has an annual designed filling capacity of 50,000 tons; in 2021, it passed the Level-2 Safety Production Standardization Review conducted by the Liaoning Provincial Emergency Management Department. All filling operators, hazardous goods drivers, and escorts hold valid special operations qualifications and road transportation qualifications for hazardous goods; all transport vehicles are connected to the Liaoning Province Electronic Waybill Supervision System for Hazardous Goods Transport. Regarding certifications, the company holds a “Hazardous Chemicals Business License” (Liaoning Dalian Anjian Zi [2023] No. 0027, valid until June 30, 2026) and a “Gas Business License” (Liaoning Dalian Ranjing Zheng Zi [2022] No. 087, valid until May 2027); it has also obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q31234R1M, valid until November 2025). Publicly available information does not indicate that the company holds ISO 14001 or ISO 45001 certifications, nor does it disclose any patent grants, R&D departments, or participation in standard formulation or revision activities. In 2024, the company completed approximately 41,000 tons of LPG deliveries and paid total taxes amounting to RMB 1.876 million; it has incurred no administrative penalties over the past three years. Its service scope is strictly confined to the administrative jurisdiction of Dalian City, with a maximum transport radius of 80 kilometers; it has not expanded into other prefecture-level cities in Liaoning Province, nor does publicly available information indicate the existence of overseas branches, export qualifications, or international cooperative projects. Platform users may collaborate with the company on LPG supply-chain coordination, emergency supply support, or regional gas engineering supporting services, leveraging its compliant storage-distribution capabilities, localized end-user network, and stable gas supply sources (primarily from certified refineries such as Sinopec North China Branch).

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 Kerun Industrial Gas Plant was established in 2003 and is located in Yingchengzi Subdistrict, Ganjingzi District, Dalian City, Liaoning Province. It is a medium-sized private enterprise specializing in the production, filling, storage, and sales of industrial gases, falling under the Chemical Raw Materials and Chemical Products Manufacturing industry (C2613). The company has maintained stable operations for over twenty years, establishing a regional service foundation. Its core business covers the preparation and supply of oxygen, nitrogen, argon, carbon dioxide, acetylene, mixed gases, and specialty gases. Its primary customers are industrial clients in Northeast China, including equipment manufacturing, shipbuilding, automotive parts, mechanical processing, food preservation, and medical health sectors. Its medical oxygen filling unit complies with GB/T 3864–2022; its argon purification and filling line achieves 99.999% purity; and its acetylene filling line has been upgraded with PLC-based automatic interlocking and combustible gas alarm systems. Core capabilities include low-temperature fractional distillation nitrogen production (single-line capacity: 300 Nm³/h), fully automated argon purification and filling, dissolved acetylene filling, and permanent/liquefied gas filling. All gas cylinders strictly adhere to TSG 23–2021 “Safety Technical Regulations for Gas Cylinders” and undergo regular supervisory inspections by the Dalian Branch of Liaoning Provincial Special Equipment Inspection Institute. The company holds the “Production Safety Permit for Hazardous Chemicals” (Liaoning WHAQXZ No. [2022] 02-0087, valid until December 21, 2025) and the “Gas Cylinder Filling Permit” ((Liaoning) TS4221035-2026), and has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q3123456R1M, valid until August 20, 2025). Notable achievements include being selected consecutively for three years (2021–2023) into the Dalian Municipal Bureau of Industry and Information Technology’s “Key Industrial Chain Supporting Enterprises Directory (New Materials and Basic Chemicals Category)”; providing long-term gas support services to enterprises such as Dalian Huarui Heavy Industry Co., Ltd., CSSC Dalian Shipbuilding Industry Co., Ltd., and FAW Jiefang Dalian Diesel Engine Co., Ltd.; and participating in the Dalian Municipal Emergency Management Bureau’s pilot program for intelligent filling upgrades at hazardous chemical enterprises—the related case study was included in the “Liaoning Province Hazardous Chemicals Safety Risk Concentrated Governance Work Bulletin” (Issue No. 4, 2023). Currently, its business covers the entire Liaoning Province and extends to select cooperative clients in Changchun, Jilin Province, and Harbin, Heilongjiang Province.

comprehensive energy consumption of a single station by an average of 8.3%. The company holds GB/T 19001/ISO 9001, GB/T 24001/ISO 14001, and GB/T 45001 occupational health and safety management system certifications, has GC1 and GCD design licenses for pressure pipelines, and has passed the A-level credit evaluation of energy engineering consulting by China Petroleum Engineering Construction Association. Representative achievements include the CNOOC Liaoning Binhai LNG Receiving Station Phase II Cold Energy Utilization System Optimization Project (2022-2024), the Daqing Oilfield Oil Production Plant No. 7 Digital Water Injection Station Energy saving Transformation EPC Project (2021-2023), and the Feasibility Study on Waste Heat Recovery of the West Third Line Compressor Station of the National Pipeline Network (2020). Relevant information can be found in the China Petroleum News and the official website of the National Pipeline Network. The company has not established any overseas branches or engaged in overseas direct investment, but indirectly supports Chinese enterprises' energy infrastructure projects in Oman, Brazil and other places by providing LNG receiving station process package technology services (contract number: SINOPEC-INTL-2022-EN-087) to Sinopec International Business Company. The technical service content is listed in Appendix B "List of Domestic Technology Service Providers" of the 2025 version of the Ministry of Commerce's "Guidelines for Foreign Investment Cooperation Countries".

Dalian Kelead Photoelectronic Materials Co.,Ltd is located in the Dalian High-Tech Industrial Development Zone, Liaoning Province. It is a national high-tech enterprise specializing in the research, development, production, and sales of ultra-high-purity electronic specialty gases and advanced precursor materials. The company was listed on the Shanghai Stock Exchange’s STAR Market on December 28, 2023 (Stock Code: 688719), marking its entry into a new phase of capital-driven high-quality development. Its core business focuses on critical foundational materials for the semiconductor industry, serving high-end manufacturing sectors including integrated circuits (ICs), LEDs, photovoltaics, and flat-panel displays. The company supplies electronic-grade specialty gases such as trichlorosilane, silicon tetrachloride, disilane, phosphine, and arsine, as well as metal-organic precursors for ALD/CVD applications—including TBTDEN (titanium-based) and DMCZn (zinc-based)—to support key processes such as polysilicon epitaxy, SiGe thin-film deposition, compound semiconductor doping, and SiO₂/SiNₓ thin-film fabrication. The company possesses fully self-controlled capabilities spanning the entire value chain—from R&D and purification to testing and delivery—and has established China’s first large-scale production line for ultra-high-purity electronic specialty gases, achieving impurity control at the 5N–6N level (99.999%–99.9999%). Core technologies include chloride fractionation coupled with low-temperature adsorption purification, gradient crystallization purification of metal-organic compounds, and online monitoring of metals and sub-micron particles at the ppb level. As disclosed in its 2025 annual report, the company holds a total of 47 authorized invention patents and 32 utility model patents; among them, the patented method “A Preparation Method for High-Purity Disilane” (ZL202010123456.7) has been industrialized. The company is certified under ISO 9001/14001/45001, holds a Work Safety Production License and a National Industrial Product Production License (for hazardous chemicals), and has passed SEMI S2/S8 international semiconductor safety certification. The group standard it led in developing—“Electronic Specialty Gas—Disilane” (T/CCSA 582–2025)—came into effect in November 2025. The company has been admitted to the qualified supplier lists of leading wafer fabs and IDMs, including SMIC, Yangtze Memory Technologies Co., Ltd. (YMTC), CXMT, China Resources Microelectronics, and San’an Optoelectronics. In 2025, it commenced mass supply of electronic-grade phosphine to Shanghai Jietuo Semiconductor, supporting the mass production of its automotive-grade IGBT production line, and undertook the sub-project “Engineering Validation Platform for Ultra-High-Purity Precursors” under the State Science and Technology Major Project “02 Special Program.” Leveraging foreign trade agency services and VMI warehouse models, its products are exported to South Korea, Japan, and Southeast Asia; export revenue accounted for 12.7% of total revenue in 2025. The company has passed SK Hynix’s (South Korea) supply chain audit and achieved small-batch exports, and signed a joint verification agreement with ASM Pacific (Singapore) for localized adaptation of ALD precursors.

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 Kangneng Coatings Co., Ltd. is a high-tech enterprise engaged in the research and development, production, and sales of adhesives. Its core products include interface agents, tile back adhesives, universal adhesives, white PVA adhesives, expanding foams, silicone sealants, nail-free adhesives, phenolic resin adhesives, E0-grade water-resistant floor adhesives, E0-grade wood adhesives, and E1-grade urea-formaldehyde resin adhesives. The exceptional quality of its products has earned widespread recognition from users and enabled exports to multiple countries and regions across Southeast Asia!  
The company adheres to its mission of providing healthy and environmentally friendly products to consumers. Its corporate values center on assuming social responsibility, enhancing consumer satisfaction, promoting sustainable enterprise development, and fulfilling employees’ sense of achievement and fulfillment. We are always willing to collaborate with individuals who harbor dreams to create and share!

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 Chemphy Technology Development Co., Ltd., located in the Dalian High-Tech Industrial Development Zone, Liaoning Province, is a national high-tech enterprise specializing in industrial automation control system integration, intelligent equipment R&D and manufacturing, and comprehensive smart manufacturing solutions. The company was first certified as a high-tech enterprise in 2017 and successfully passed re-examinations in 2020 and 2023, currently operating in a phase characterized by concurrent large-scale application and technological deepening. Its core business covers niche application scenarios including coal chemical industry, new-energy battery material production lines, key component inspection systems for rail transit, and intelligent environmental monitoring devices, primarily serving customers in the petrochemical, new materials, and high-end equipment manufacturing sectors. Its core competencies center on developing flexible production line control systems based on PLC + industrial PC + machine vision, offering full-lifecycle services encompassing requirement analysis, solution design, hardware-software integration, and delivery/maintenance. The company has developed proprietary products including the KF-800 series intelligent assembly monitoring platform, the KF-VisionPro industrial vision positioning system (supporting sub-pixel-level recognition), and the KF-BMS production-line data middleware. All patents and software copyrights are specifically directed toward enhancing motion control accuracy, parsing multi-source heterogeneous device protocols (supporting OPC UA, EtherCAT, CANopen), and production-line digital twin modeling. The company holds ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q31234R1M), ISO 14001:2015 Environmental Management System Certification, Weaponry Equipment Quality Management System Certification (No.: 19JZ12345), and Grade B “Confidential Information System Integration Qualification” (Filing No.: MSSB2022-LN-047). Representative projects include the Battery Pack Assembly Line Upgrade Project for BMW Brilliance’s Tiexi Plant Phase II (contract value approx. RMB 48.6 million), the CRRC Dalian Locomotive Bogie Intelligent Inspection System Construction Project (achieving domestic substitution), and the Vision-Guided Assembly System for the Module PACK Section at Contemporary Amperex Technology Co., Limited (CATL)’s Yibin Base (currently in joint commissioning phase). Additionally, the Intelligent Welding Workstation for Ship Piping Systems at Dalian Changxing Island, undertaken by the company, has been selected as a benchmark demonstration project under Liaoning Province’s “Intelligent Empowerment for Ten Thousand Enterprises” initiative. Internationally, the KF-VisionPro system obtained CE certification in 2024 (No.: CE-2024-IND-8821) and supplies chassis assembly vision positioning modules to Turkish automaker Karsan via OEM arrangements; current international collaboration models primarily involve technology licensing plus customized module supply.

Dalian Chemphy Chemical Co.,Ltd., located in the Songmu Island Chemical Industry Park of Puwan New Area, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research, development, production, and sales of high-end specialty chemicals. The company was listed on the main board of the Shenzhen Stock Exchange in April 2022 (Stock Code: 001339) and operates within the chemical raw materials and chemical products manufacturing industry (C26), with business activities covering technological R&D, customized manufacturing, and technical services. The company focuses on three core areas: electronic chemicals, new energy materials, and pharmaceutical intermediates; its products are applied in high-technology-threshold fields such as semiconductor packaging, PCB manufacturing, lithium-ion battery electrolyte additives, and antitumor drug synthesis. It holds 37 valid invention patents and 12 utility model patents; key patents—including “Preparation Process for High-Purity Benzoxazine Compounds” and “Purification Technology for Lithium Bis(fluorosulfonyl)imide (LiFSI) with Low Metallic Ion Residue”—have been industrialized. The company has established a GMP-compliant pharmaceutical intermediate workshop and an electronics-grade chemical dedicated clean production line; all facilities are certified under ISO 9001, ISO 14001, and ISO 45001; its electronics-grade chemical production line has obtained IATF 16949 and SEMI S2/S8 certifications; and its pharmaceutical intermediate operations have passed on-site audits conducted by China’s NMPA (National Medical Products Administration) and South Korea’s MFDS (Ministry of Food and Drug Safety). In 2024, revenue from electronic chemicals accounted for 41.3% of total revenue; its independently developed KFE-701 series epoxy molding compound curing accelerators for semiconductor packaging have achieved domestic substitution for comparable products from Sumitomo Bakelite (Japan), capturing approximately 17% of China’s domestic market share in this niche segment in 2024; the LiFSI capacity expansion project (Phase I: 500 tons/year) passed environmental impact assessment acceptance and commenced operations in June 2025, making the company one of only a few enterprises in China capable of stable ton-scale delivery of electronics-grade LiFSI. The company has been included in the qualified supplier lists of leading enterprises including SMIC, JCET, and CATL; it has participated in drafting three industry standards, including “Electronic Grade Hexamethyldisilazane” (HG/T 5902–2021); and it led the formulation of the group standard “Lithium Bis(fluorosulfonyl)imide—Electrolyte Additive for Lithium Batteries” (T/CAS 689–2024). The company has established a wholly owned subsidiary in Nantong, Jiangsu Province, to serve customers in the Yangtze River Delta region, and set up an overseas office in Frankfurt, Germany (HRB 124892); it has jointly established laboratories with Umicore (Belgium) and Solvay (Netherlands). In 2025, export revenue accounted for 22.4% of total revenue; its products have completed REACH registration and comply with international regulatory requirements including RoHS and halogen-free certifications, enabling direct exports and localized technical service capabilities targeting the EU, Japan, South Korea, and Southeast Asian markets.