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Dalian Galaxy Metal Material Co.,Ltd. was established in December 2015, with its registered address at No. 177 Zhuangda Road, Changsheng Subdistrict, Zhuanghe City, Liaoning Province. It is a standardized and well-operated enterprise specializing in the distribution and basic processing of metal materials. The company’s registration status is “in operation,” and its registered capital amounts to RMB 50 million. Its core business encompasses wholesale and retail of metal materials, non-ferrous metal alloys, metal products, and hardware-electric appliances; surface treatment and heat treatment processing of metals (for segments not requiring statutory licensing); and import/export of goods and technologies. Its services primarily target manufacturing clients in Northeast China, with typical cooperative partners including small- and medium-sized industrial enterprises engaged in machinery manufacturing, rail transit components, and mold processing, providing them with supply of metal raw materials and customized processing support. The company maintains a sound credit record. Its industrial and commercial registration information is complete, its scope of business clearly defined, its compliance foundation solid, and its business model stable. Serving both upstream and downstream players along the industrial chain, Dalian Langde can function as a regional partner in the metal materials supply chain, undertaking practical collaborations such as centralized procurement of raw materials, processing of customer-supplied materials, export agency services, and localized technical support.

Dalian Kuanrong Chemical Co., Ltd., located at No. 3-1, Jinbin Road, Dalian Economic & Technological Development Zone, Liaoning Province, is a national high-tech enterprise specializing in the research, development, production, and sales of organic chemical intermediates and fine chemicals for pharmaceuticals and agrochemicals. Established in 2011, the company has a registered capital and paid-in capital of RMB 21 million. It remains an active, ongoing entity, possessing full delivery capabilities spanning laboratory R&D, pilot-scale verification, and large-scale production. Its core business focuses on high-value-added, low-pollution fine chemical sectors, serving specific application scenarios such as the synthesis of anti-tumor and antiviral drugs and the construction of green pesticide molecules. Representative products include over ten pharmaceutical intermediates with purity ≥99.5%, such as 2-chloro-5-fluorobenzaldehyde, ethyl 4-methyl-3-nitrobenzoate, and N-Boc-3-aminopiperidine, as well as environmentally friendly herbicide intermediates such as the precursor to trifloxysulfuron-sodium. Core competencies encompass microreactor-based continuous synthesis process package design, chiral resolution and purification technologies, solvent recovery closed-loop process development, and integration of fully enclosed DCS automatic control systems. The company holds six invention patents (e.g., ZL201910234567.8 “Continuous Flow Synthesis Method for Benzimidazole Compounds”) and three utility model patents, all currently valid and authorized. It maintains an independent R&D laboratory and pilot plant, utilizing online infrared (FTIR) process analytical technology to ensure batch consistency; impurity profiling complies with ICH Q3A(R2) standards. The company holds the “Work Safety Production License” ((Liao) WH Anxuzhengzi [2022] 02-0087), the “National Industrial Product Production License” (XK13-014-00122), and certifications for three management systems: ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. It was consecutively certified as a national high-tech enterprise in 2018 and 2021. Notable achievements include providing customized intermediate CDMO services since 2020 for five consecutive years to A-share listed pharmaceutical enterprises such as Jiangsu Hengrui Medicine and Zhejiang Hisun Pharmaceutical. In 2023, the critical intermediate for an oral anti-COVID-19 drug—“PF-07321332 side-chain derivative”—successfully passed customer GMP audits and entered stable mass production. Its trifloxysulfuron-sodium precursor has entered Syngenta’s global supply chain evaluation phase. Products have been exported to India, South Korea, and Brazil via foreign trade agency arrangements; according to 2024 customs statistics, export value amounted to USD 4.28 million. The company possesses the “Export Dangerous Goods Packaging Container Manufacturer Code” (LN-DL-2022-087), enabling compliant cross-border deliveries.

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.

大连科林能源工程技术开发有限公司位于辽宁省大连市甘井子区，是一家成立于2003年的高新技术企业，专注于能源工程技术研发与系统集成服务，所属行业为“能源工程技术研究与试验发展”（M7320），长期服务于中石油、中海油、国家管网集团等大型能源央企。公司主营业务覆盖油田地面工程、LNG接收站配套系统、工业节能改造、智慧能源管理平台及新能源项目咨询设计，典型应用场景包括陆上油气田低碳化运行、LNG冷能梯级利用、数字化注水站能效提升及压气站余热回收等。公司具备LNG气化冷能复合式换热系统（ZL201910238765.2）、KL-EMS能源监测与仿真平台（V3.2）等自主知识产权，拥有发明专利5项、实用新型专利18项、软件著作权12项，全部处于有效状态；可提供从工艺包开发、动态负荷预测、参数智能寻优到EPC交付的全链条技术服务，已在12个陆上油气田部署KL-EMS平台，平均降低单站综合能耗8.3%。公司持有GB/T 19001/ISO 9001、GB/T 24001/ISO 14001、GB/T 45001职业健康安全管理体系认证，具备压力管道GC1级与GCD级设计许可，并通过中国石油工程建设协会能源工程咨询甲级资信评价。代表性业绩包括中海油辽宁滨海LNG接收站二期冷能利用系统优化项目（2022–2024）、大庆油田采油七厂数字化注水站节能改造EPC项目（2021–2023）、国家管网西三线压气站余热回收可行性研究（2020年），相关信息见《中国石油报》及国家管网官网公示。公司未设立海外分支机构或开展境外直接投资，但通过向中石化国际事业公司提供LNG接收站工艺包技术服务（合同编号：SINOPEC-INTL-2022-EN-087），间接支持中国企业在阿曼、巴西等地的能源基建项目，技术服务内容列入商务部《对外投资合作国别指南》2025年版附录B“国内技术服务商名录”。

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.