Samyoung Machinery Co., Ltd. is a specialized enterprise in core medium-speed diesel engine parts for ships and railway locomotives, established in 1975. The company secures world-leading productivity and price competitiveness in the engine parts sector, built upon decades of accumulated casting and machining know-how. It focuses on developing innovative and eco-friendly diesel, gas, and dual-fuel engine parts through its own R&D efforts. Furthermore, it leads in applying sand 3D printing technology to casting processes, enabling high-mix low-volume production and significant reductions in development time.SamyoungMachineryCo.,Ltd.isaspecializedenterpriseincoremedium-speeddieselenginepartsforshipsandrailwaylocomotives,establishedin1975.Thecompanysecuresworld-leadingproductivityandpricecompetitivenessintheenginepartssector,builtupondecadesofaccumulatedcastingandmachiningknow-how.Itfocusesondevelopinginnovativeandeco-friendlydiesel,gas,anddual-fuelenginepartsthroughitsownR&Defforts.Furthermore,itleadsinapplyingsand3Dprintingtechnologytocastingprocesses,enablinghigh-mixlow-volumeproductionandsignificantreductionsindevelopmenttime.
Key Products/TechnologiesKeyProducts/Technologies
Engine Parts: Production of core medium-speed diesel engine components such as pistons, cylinder heads, cylinder liners, engine blocks, piston rings, and front-end boxes. Capabilities in developing parts for diesel, gas, and dual-fuel engines. Utilization of proprietary materials like GT Metal and SDI (Samyoung Ductile Cast Iron) for manufacturing high-strength and high-durability components. Annual production capacities include 20,000 pistons, 12,000 cylinder heads, 8,000 cylinder liners, and 600 engine blocks.EngineParts:Productionofcoremedium-speeddieselenginecomponentssuchaspistons,cylinderheads,cylinderliners,engineblocks,pistonrings,andfront-endboxes.Capabilitiesindevelopingpartsfordiesel,gas,anddual-fuelengines.UtilizationofproprietarymaterialslikeGTMetalandSDI(SamyoungDuctileCastIron)formanufacturinghigh-strengthandhigh-durabilitycomponents.Annualproductioncapacitiesinclude20,000pistons,12,000cylinderheads,8,000cylinderliners,and600engineblocks.
Casting Products: Production of various cast iron products including ductile cast iron (GGG), gray cast iron (GG), and compacted graphite cast iron (CV cast iron). An optimal product R&D system applying the latest casting simulations. Capable of producing large castings up to 25 tons per piece, with a monthly casting production capacity of 1,500 tons.CastingProducts:Productionofvariouscastironproductsincludingductilecastiron(GGG),graycastiron(GG),andcompactedgraphitecastiron(CVcastiron).AnoptimalproductR&Dsystemapplyingthelatestcastingsimulations.Capableofproducinglargecastingsupto25tonsperpiece,withamonthlycastingproductioncapacityof1,500tons.
Sand 3D Printing Molds and Rapid Prototyping Service (RP): Development and launch of the first domestic binder jetting large-scale sand 3D printers, 'BR-S900' and 'BR-S1100'. Features a build size of 1,100x520x450㎣ and 400dpi high resolution, capable of printing within a minimum of 9 hours. This technology enables the production of complex mold shapes in a very short period without the need for wooden or metal patterns. Production of customized products for various fields such as industrial impellers, railway vehicle parts, heavy equipment parts, cultural heritage sculptures, and artworks.Sand3DPrintingMoldsandRapidPrototypingService(RP):Developmentandlaunchofthefirstdomesticbinderjettinglarge-scalesand3Dprinters,'BR-S900'and'BR-S1100'.Featuresabuildsizeof1,100x520x450㎣and400dpihighresolution,capableofprintingwithinaminimumof9hours.Thistechnologyenablestheproductionofcomplexmoldshapesinaveryshortperiodwithouttheneedforwoodenormetalpatterns.Productionofcustomizedproductsforvariousfieldssuchasindustrialimpellers,railwayvehicleparts,heavyequipmentparts,culturalheritagesculptures,andartworks.
Indoor/Outdoor Simultaneous Environment Dust Collection System: A system that simultaneously removes fine dust and odors in factories using natural convection. An eco-friendly facility technology that purifies and discharges contaminated air. An environmental improvement solution based on patented proprietary technology.Indoor/OutdoorSimultaneousEnvironmentDustCollectionSystem:Asystemthatsimultaneouslyremovesfinedustandodorsinfactoriesusingnaturalconvection.Aneco-friendlyfacilitytechnologythatpurifiesanddischargescontaminatedair.Anenvironmentalimprovementsolutionbasedonpatentedproprietarytechnology.
Core AdvantagesCoreAdvantages
Vertically Integrated Manufacturing Structure: The capability to perform all processes in-house, from design and material development to casting, machining, and inspection. This vertical integration contributes to enhancing engine performance, environmental friendliness, and price competitiveness.VerticallyIntegratedManufacturingStructure:Thecapabilitytoperformallprocessesin-house,fromdesignandmaterialdevelopmenttocasting,machining,andinspection.Thisverticalintegrationcontributestoenhancingengineperformance,environmentalfriendliness,andpricecompetitiveness.
Unrivaled Casting and Machining Know-how: Decades of accumulated experience and technical expertise in the engine sector since its establishment in 1975. A specialized enterprise in medium-speed diesel engine parts, securing world-leading productivity and price competitiveness.UnrivaledCastingandMachiningKnow-how:Decadesofaccumulatedexperienceandtechnicalexpertiseintheenginesectorsinceitsestablishmentin1975.Aspecializedenterpriseinmedium-speeddieselengineparts,securingworld-leadingproductivityandpricecompetitiveness.
Leading Innovation in Sand 3D Printing Technology: Development and application of the first domestic binder jetting large-scale sand 3D printer for mass production processes. Overcoming the limitations of traditional casting processes to enable high-mix low-volume production and drastically reduce development time.LeadingInnovationinSand3DPrintingTechnology:Developmentandapplicationofthefirstdomesticbinderjettinglarge-scalesand3Dprinterformassproductionprocesses.Overcomingthelimitationsoftraditionalcastingprocessestoenablehigh-mixlow-volumeproductionanddrasticallyreducedevelopmenttime.
Eco-friendly and High-performance Material Development Capabilities: Utilization of proprietary high-strength, high-durability materials like GT Metal and SDI (Samyoung Ductile Cast Iron). Technical expertise that enhances the competitiveness of engine parts used in high-load environments.Eco-friendlyandHigh-performanceMaterialDevelopmentCapabilities:Utilizationofproprietaryhigh-strength,high-durabilitymaterialslikeGTMetalandSDI(SamyoungDuctileCastIron).Technicalexpertisethatenhancesthecompetitivenessofenginepartsusedinhigh-loadenvironments.
Global Market Recognition for Technical Prowess: Supply of products to over 17 countries, including major developed markets such as Germany, Denmark, the United States, and Japan. Approximately 60% of total sales generated from exports, demonstrating globally recognized technical capabilities.GlobalMarketRecognitionforTechnicalProwess:Supplyofproductstoover17countries,includingmajordevelopedmarketssuchasGermany,Denmark,theUnitedStates,andJapan.Approximately60%oftotalsalesgeneratedfromexports,demonstratinggloballyrecognizedtechnicalcapabilities.
Quality Assurance System: A policy that guarantees the quality of GT model products for 2 years when pistons and liners are purchased together, and for 3 years when pistons, liners, and piston rings are purchased as a set. Providing high-quality products based on customer trust.QualityAssuranceSystem:ApolicythatguaranteesthequalityofGTmodelproductsfor2yearswhenpistonsandlinersarepurchasedtogether,andfor3yearswhenpistons,liners,andpistonringsarepurchasedasaset.Providinghigh-qualityproductsbasedoncustomertrust.
Target IndustrieTargetIndustrie
Marine Engine Industry: Supply of core components such as pistons, cylinder heads, and cylinder liners for marine medium-speed diesel engines. Contribution to achieving world-leading competitiveness in the domestic shipbuilding industry.MarineEngineIndustry:Supplyofcorecomponentssuchaspistons,cylinderheads,andcylinderlinersformarinemedium-speeddieselengines.Contributiontoachievingworld-leadingcompetitivenessinthedomesticshipbuildingindustry.
Railway Locomotive Engine Industry: Production and supply of core engine parts for railway locomotives. Playing a crucial role in both domestic and international railway sectors.RailwayLocomotiveEngineIndustry:Productionandsupplyofcoreenginepartsforrailwaylocomotives.Playingacrucialroleinbothdomesticandinternationalrailwaysectors.
Power Generation Industry: Supply of engine parts for inland power plants. Contribution to building stable power supply infrastructure.PowerGenerationIndustry:Supplyofenginepartsforinlandpowerplants.Contributiontobuildingstablepowersupplyinfrastructure.
Defense Industry: Selected as a company in the Defense Acquisition Program Administration's 'Defense Innovation Company 100 Project'. Contribution to the localization of core engine technologies and parts using 3D printers for weapon systems.DefenseIndustry:SelectedasacompanyintheDefenseAcquisitionProgramAdministration's'DefenseInnovationCompany100Project'.Contributiontothelocalizationofcoreenginetechnologiesandpartsusing3Dprintersforweaponsystems.
Architecture and Construction Industry: Participation in the production of irregular curtain walls for the Gwanggyo Galleria exterior using sand 3D printing technology. Provision of solutions for manufacturing complex architectural components.ArchitectureandConstructionIndustry:ParticipationintheproductionofirregularcurtainwallsfortheGwanggyoGalleriaexteriorusingsand3Dprintingtechnology.Provisionofsolutionsformanufacturingcomplexarchitecturalcomponents.
Automotive Industry: Research and development of heat dissipation, vibration isolation, and electromagnetic interference reduction technologies for drive inverters and motors in electric and hydrogen vehicles. Contribution to technological innovation in the future mobility sector.AutomotiveIndustry:Researchanddevelopmentofheatdissipation,vibrationisolation,andelectromagneticinterferencereductiontechnologiesfordriveinvertersandmotorsinelectricandhydrogenvehicles.Contributiontotechnologicalinnovationinthefuturemobilitysector.
Culture and Arts Industry: Production of various sculptures, including cultural heritage artifacts and artworks, utilizing 3D printing technology. Presenting new possibilities in the art field.CultureandArtsIndustry:Productionofvarioussculptures,includingculturalheritageartifactsandartworks,utilizing3Dprintingtechnology.Presentingnewpossibilitiesintheartfield.
Heavy Equipment Industry: Production of various industrial machinery parts, such as industrial impellers and heavy equipment components.HeavyEquipmentIndustry:Productionofvariousindustrialmachineryparts,suchasindustrialimpellersandheavyequipmentcomponents.
World-Class Product designation for marine medium-speed diesel engine pistons (2009, selected by the Ministry of Knowledge Economy).World-ClassProductdesignationformarinemedium-speeddieselenginepistons(2009,selectedbytheMinistryofKnowledgeEconomy).
World-Class Product designation for marine medium-speed diesel engine cylinder heads (2010, selected by the Ministry of Knowledge Economy).World-ClassProductdesignationformarinemedium-speeddieselenginecylinderheads(2010,selectedbytheMinistryofKnowledgeEconomy).
Selected as one of the '100 Hidden Champions in Materials, Parts, and Equipment' (2020).Selectedasoneofthe'100HiddenChampionsinMaterials,Parts,andEquipment'(2020).
Final selection as one of the 'Top 19 Industrial Technology Achievements of 2022' by the National Academy of Engineering of Korea.Finalselectionasoneofthe'Top19IndustrialTechnologyAchievementsof2022'bytheNationalAcademyofEngineeringofKorea.
Ministerial Commendation from the Ministry of Science and ICT (for contributions to 3D printing industry development, 2021).MinisterialCommendationfromtheMinistryofScienceandICT(forcontributionsto3Dprintingindustrydevelopment,2021).
INNO-BIZ certification (2006, acquired from the Small and Medium Business Administration).INNO-BIZcertification(2006,acquiredfromtheSmallandMediumBusinessAdministration).
ISO 14001 Quality Certification (2013).ISO14001QualityCertification(2013).
Presidential Commendation (for contributions to domestic development and quality improvement, 1984).PresidentialCommendation(forcontributionstodomesticdevelopmentandqualityimprovement,1984).
New Korean Award (President Kim Young-sam, 1993).NewKoreanAward(PresidentKimYoung-sam,1993).
Order of Industrial Service Merit, Stone Tower (for contributions to industrial development, 1997).OrderofIndustrialServiceMerit,StoneTower(forcontributionstoindustrialdevelopment,1997).
Prime Minister's Commendation (for promotion of railway transportation, 2000; for excellent capital goods development, 2012).PrimeMinister'sCommendation(forpromotionofrailwaytransportation,2000;forexcellentcapitalgoodsdevelopment,2012).
Presidential Commendation at the '2025 Root Technology Competition Awards Ceremony'.PresidentialCommendationatthe'2025RootTechnologyCompetitionAwardsCeremony'.
Selected as a 'Defense Innovation Company 100 Project' Phase 3 company (2024, Defense Acquisition Program Administration).Selectedasa'DefenseInnovationCompany100Project'Phase3company(2024,DefenseAcquisitionProgramAdministration).