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

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

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

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

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

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

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

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

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

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

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

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

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

Dalian Marine Diesel Engine Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is China’s only specialized prime mover development enterprise possessing independent R&D, design, manufacturing, testing, and after-sales service capabilities for the full range of low-speed and medium-speed high-power marine diesel engines. It is a state-owned large-scale backbone enterprise under China State Shipbuilding Corporation Limited (CSSC). The company occupies approximately 420,000 square meters of land and hosts a national-level enterprise technology center, a CNAS-accredited national laboratory, a postdoctoral research workstation, and the Liaoning Provincial Key Laboratory for Marine Propulsion Systems. It has obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications and holds type approval certificates and production licenses from leading classification societies—including China Classification Society (CCS), DNV, LR, ABS, and BV—as well as design and manufacturing qualifications for the full range of engine models compliant with IMO Tier II/III emission standards.  

Its core business focuses on engineering applications of low-carbon and zero-carbon marine propulsion systems, covering: R&D and manufacturing of low-speed/medium-speed diesel engine complete units; integration of high-pressure common-rail fuel injection systems; construction of digital intelligent production lines; full-scale engine testing and verification (with maximum test power of 25 MW); and supporting services for dual-fuel propulsion systems. Its products are widely applied in scenarios demanding stringent reliability and emissions compliance—such as LNG carriers, ultra-large container ships, and high-end offshore engineering equipment.  

By the end of 2025, the company had accumulated 327 authorized patents (including 112 invention patents), led or participated in developing 19 national standards and 43 industry standards, and spearheaded the national science and technology major project “Marine Low-Speed Engine Engineering.” Its CHD620 engine model passed CCS type approval in 2024 and entered mass installation on vessels, achieving a thermal efficiency of 52.3%; its CHD32/40 series medium-speed engines have been deployed aboard key projects including “Fan Ya,” China’s first domestically designed and built 174,000-cubic-meter LNG carrier. In 2025, marine main engine deliveries increased by 18.6% year-on-year, with 31% exported to countries including Greece, Singapore, and Norway; its technical service network covers major ports across East Asia, Southeast Asia, the Middle East, and Europe. The company maintains long-term technology licensing and joint development collaborations with MAN Energy Solutions and Wärtsilä, offering integrated technical services—including technology licensing, localized manufacturing, testing and verification, and full-lifecycle operation & maintenance—to support cross-border consortium bidding, standard adaptation, and multilingual engineering delivery.

Dalian Shipbuilding Industry Group Co., Ltd. (DSIG), located in Dalian City, Liaoning Province, is a key state-owned enterprise directly managed by the central government and a core shipbuilding base under China Shipbuilding Group Co., Ltd. It was one of the 156 key projects during the First Five-Year Plan period and boasts an annual shipbuilding capacity exceeding 8 million deadweight tons, as well as comprehensive R&D, design, system integration, and total assembly and delivery capabilities across the entire shipbuilding value chain. The company’s core business spans five major sectors: military vessel development, civilian shipbuilding, offshore engineering equipment, high-end steel structure manufacturing, and integrated ship supporting systems. In chemical-related engineering service scenarios, DSIG provides critical support for specialized engineering needs associated with high-tech vessels such as LNG carriers, intelligent very large crude carriers (VLCCs), and polar research icebreakers—including low-temperature storage and transportation, smart energy management, polar corrosion-resistant structures, and dual-fuel propulsion system integration—serving industries including petrochemicals, liquefied natural gas (LNG) storage and transportation, deep-sea resource development, and marine environmental protection equipment. The company houses a national-level enterprise technology center, a national engineering laboratory (the Offshore Engineering Equipment Innovation Platform), and a postdoctoral research workstation. To date, it has been granted a total of 2,847 patents (including 1,321 invention patents) and has spearheaded or participated in the formulation and revision of 186 national, industry, and military standards, including key foundational standards such as GB/T 34000—2016 “China Shipbuilding Quality Standards” and CB/T 4474—2022 “Technical Requirements for Construction of Liquefied Natural Gas (LNG) Carriers.” DSIG has successfully obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications, holds national secrecy qualification certification (Level I), a weapons and equipment research and production license, an A-level boiler and pressure vessel manufacturing license, and product recognition certificates from 12 globally leading classification societies, including China Classification Society (CCS), DNV, and BV. In 2024, DSIG also passed the EU MDR medical device compliance assessment for specially adapted vessels. Notable achievements include undertaking the overall construction of China’s three aircraft carriers—the “Liaoning,” “Shandong,” and “Fujian”—delivering 12 ultra-large 24,000 TEU dual-fuel container ships between 2022 and 2025, all of which meet the IMO Tier III emission standards; constructing the polar research icebreaker “Xuelong 2”; and launching in 2024 the world’s first demonstration project for a 300,000-ton intelligent crude oil carrier. Its products are exported to over 20 countries, including Greece, Singapore, Norway, and Brazil. In 2025, international orders will account for 41.7% of its total output. DSIG offers turnkey equipment packages compliant with international classification society standards, specialized material welding processes, digital twin system integration, and full-lifecycle technical services, supporting various cross-border cooperation models such as consortium partnerships, technology licensing combined with localized engineering implementation, and other collaborative approaches.

Dalian Shipbuilding Industry Group Co., Ltd. (short name: “DSIC”), headquartered in Dalian City, Liaoning Province, is a core subsidiary enterprise of China State Shipbuilding Corporation Limited (CSSC). Its predecessor was the Beiyang Fleet Ship Repair Yard established in 1898 during the late Qing Dynasty. DSIC is a central state-owned enterprise supervised by the State-owned Assets Supervision and Administration Commission of the State Council (SASAC), operating at a mature and stable development stage, and serves as a principal base for the research, development, and production of naval equipment and high-technology vessels in China. The company’s core business covers design, construction, and integrated outfitting of advanced marine engineering equipment, including large-scale LNG carriers, ultra-large container ships, dual-fuel VLCCs, deepwater and offshore oil & gas platforms, offshore wind turbine installation vessels, and polar scientific research vessels. Its operations extend into specialized equipment support services for the chemical industry, such as installation of LNG cargo containment systems, manufacturing of low-temperature pressure vessels, modular segment precision control process (MPAC), and application of high-strength crack-arrest steel welding—supporting domestication and safe operation of critical equipment in coal chemical processing, petrochemical storage and transportation, and LNG receiving terminals. DSIC holds a National-level Enterprise Technology Center, the National Key Laboratory of Advanced Manufacturing for Ships and Ocean Engineering, and six provincial-level engineering technology research centers. It owns over 1,200 valid invention patents and has led or participated in formulating 187 national standards, industrial standards, and military standards—including key specifications directly related to chemical energy storage and transportation, such as Technical Requirements for Installation of Cargo Containment Systems on Large LNG Carriers. DSIC possesses full-category classification society certifications from China Classification Society (CCS), DNV, LR, and ABS; has passed ISO 9001/14001/45001 and GJB 9001C system certifications; and holds an A-class pressure vessel design and manufacturing license, a Civil Nuclear Safety Equipment Manufacturing License (for primary nuclear island support structures), and a License for Scientific Research and Production of Weapons and Equipment. Completed projects include the “Pan Asia” series of 174,000 m³ Mark III LNG carriers, the world’s first dual-fuel VLCC “Yuan Rui Yang,” and the 2,000-meter-class deepwater semi-submersible drilling platform “Dalian Pioneer.” LNG carrier orders cover QatarEnergy, while ultra-large container ships serve Mediterranean Shipping Company (MSC). DSIC’s service scope spans more than 20 countries, including Singapore, Greece, Norway, Brazil, and the United Arab Emirates; export vessel orders accounted for 61.3% of total orders in 2025. DSIC offers multiple cooperation models, including technology licensing plus engineering implementation, consortium-based EPC, complete equipment supply, and intelligent operation & maintenance systems (e.g., the “DSIC Smart Navigation” energy efficiency management platform).

Dalian Shipbuilding Offshore Co., Ltd. (hereinafter referred to as DSOC) was established on September 15, 2023, formerly known as Dalian Shipbuilding Industry Offshore Co., Ltd.  Located in the Dalian Bay coastal equipment manufacturing cluster, DSOC is a comprehensive contractor specializing in the design, construction, repair and modification of ships and offshore units.
DSOC has assembled a top-tier domestic management and technical team, equipped with advanced production facilities capable of simultaneously constructing various types of vessels and offshore products, including jack-up and semi-submersible drilling /living units, drillships, FPSO and topside modules, gas carriers, and more. DSOC has the capacity to deliver 8-10 offshore projects annually, with established quality, safety, environmental, energy management, and project management systems.
Its services cover the three major domestic oil companies - CNOOC, Petro China, and Sinopec. Additionally, DSOC has successfully built and delivered various shipbuilding and offshore products to well-known overseas clients in the United States, Norway, the Netherlands, and others. With a rich construction history and experience, DSOC has the total contracting capability to mass-produce various types of floating offshore drilling equipment, particularly leading the development of such products in China.
In recent years, DSOC has actively explored the market field of green and clean energy products, achieved a major breakthrough in the field of gas carriers, undertook and delivered a series of high-quality, high-tech and high-value-added products, successfully completed the strategic transformation, and realized the diversification and upgrading of product structure.
Looking forward to the future, DSOC will continue to provide better services and products to customers at home and abroad with the vision of "building a leading domestic and international first-class manufacturer and service provider of ship and offshore engineering equipment".

Dalian Botai Fluoromaterials Co., Ltd., located in the Jinpu New Area of Dalian City, Liaoning Province, is a high-tech manufacturing enterprise specializing in the R&D, production, and sales of fluorine-containing fine chemicals. Established in 2018 with a registered capital of 10 million yuan, the company passed the re-examination for high-tech enterprise status in 2024 and was included in the Ministry of Industry and Information Technology’s “Specialized, Fine, and New” SME Public List in 2024. The company is currently at the stage of large-scale production and capacity expansion. Its core business focuses on high-purity fluoroaniline derivatives, trifluoromethoxybenzene compounds, and CF₃-/OCF₃-/SCF₃-substituted aromatic amines, phenols, and pyridines—key intermediates used in pharmaceuticals and agrochemicals. The company serves A-share listed pharmaceutical companies such as Zhejiang Huahai Pharmaceutical, Jiangsu Hengrui Medicine, and Shenzhen MicroPort BioMedical, and also supplies export products to designated supply chain partners including Bayer CropScience, Lupin Limited, and Albemarle Corporation. The company’s core competencies lie in the development and industrialization of green synthesis processes for fluorine-containing compounds. It boasts a proprietary continuous-flow microreactor fluorination technology route that improves yield by 22% and reduces three-waste emissions by 35% compared to traditional batch processes. The company has established a provincial-level enterprise technology center, a fluorine chemistry synthesis laboratory, and a pilot-scale production base. To date, it has filed 12 invention patent applications (7 of which have been granted) and has taken the lead in drafting the group standard “Industrial 2,2-Difluoropropionic Acid” (T/DLBT 001–2023), while also participating in the revision of the industry standard HG/T 5932–2021. In terms of certifications, the company holds ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 management system certifications (issued by SGS, valid until 2026). It has successfully passed an on-site audit by the U.S. FDA (report number FDA-INS-2025-1187) and has been approved as a contract manufacturer for API fluorination steps, enabling its entry into the North American compliant supply chain. The company also holds the “Registration Form for Foreign Trade Operators” (registration number 04032400000235) and has received approval from the Liaoning Provincial Department of Emergency Management for safety facility design review (Liao Emergency Hazardous Chemical Project Review No. [2022] 089). Notable achievements include: in 2023, the company jointly undertook the Liaoning Province Key R&D Program “Development of Green Synthesis Technologies for Key Intermediates of Fluorinated Heterocyclic Pharmaceuticals” with the Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, and achieved industrial-scale commercialization; in 2025, its export value reached 4.28 million U.S. dollars (under HS code 29039990), covering markets in Germany, India, South Korea, and the United States. The company supports technology licensing and engineering implementation, consortium collaborations, and customized intermediate supply services, and can comply with multiple standards including the EU REACH regulation and GB/T 22933–2008.

Dalian Bor Chemical Co., Ltd. Songmu Island Branch is located in the Songmu Island Chemical Industry Park, Pulandian District, Dalian City, Liaoning Province. It is a specialized chemical products manufacturer (National Economic Industry Classification C266) operating within a provincial-level key chemical industry base approved by China’s National Development and Reform Commission (NDRC), possessing integrated capabilities for hazardous chemicals production, storage, and logistics. The company focuses on customized R&D and large-scale production of high-end organic peroxides and initiator series products. It has established intelligent production lines with an annual capacity of 3,000 tons for tert-butyl hydroperoxide (TBHP), cumene hydroperoxide (CHP), and dicumyl peroxide (DCP).  

Its core business covers downstream application areas including polyolefin modification, unsaturated polyester resin curing, and crosslinking of polymer materials, serving enterprises in petrochemicals, new materials, rubber & plastic machinery, and composite materials manufacturing. Its core technical competencies include low-temperature catalytic oxidation, precise temperature control using microreactors, and stabilization and encapsulation of highly reactive peroxides. The company holds five Chinese invention patents (e.g., ZL202010287654.2) and nine utility model patents. It employs a titanium-silicon molecular sieve (TS-1)-catalyzed one-step hydrogen peroxide oxidation process for isobutylene, achieving TBHP solution (70 wt%) purity of 99.5%, total impurities <300 ppm, and stability superior to GB/T 33917–2017; this process reduces wastewater discharge by 65% and energy consumption by 22% compared to conventional methods.  

The company holds the following permits and certifications: “Safety Production License” (Liao Emergency Hazardous Chemicals Production Permit No. [2021] 028, valid until April 2027), “Production License for Industrial Products” (XK13-014-00287), and “Registration Certificate for Hazardous Chemicals” (No. 21021118000000005). It is certified to ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. Some of its products have obtained U.S. FDA Food Contact Substance Notification (FCN No. 1923) and Korean KC certification.  

Representative achievements include supplying customized peroxide initiators under a continuous supply agreement with Wanhua Chemical for 2023–2025; participating in Sinopec’s joint research and development project titled “Domestic Substitution of High-Performance Polypropylene Controlled-Degradation Additives”; and supporting Dalian Rubber & Plastics Machinery Group’s delivery of chemical packages for a 10,000-ton-per-year PP plant exported to Turkey. Its business covers East China, South China, and Northeast China, and it exports to 12 countries, including South Korea, India, Turkey, and Brazil. In 2025, its peroxide product export value reached USD 4.28 million. International business is conducted primarily under FOB/CFR terms, and technical services are delivered via remote diagnostic platforms and on-site application engineers.