Seonghwa Industrial Co., Ltd., established in 1983, is a specialized company supplying pipe supports, prefabricated piping, modules, and skid structures as a single package [DB, 4, 6]. It serves as a leading provider of integrated mechanical system services in various industrial sectors, including power plants, petrochemicals, offshore facilities, and LNG terminals, both domestically and internationally [DB, 3, 4, 6, 15, 19]. The company's focus on continuous technological development and quality improvement over 40 years has resulted in accumulated expertise and experience, meeting diverse customer demands [DB, 4, 6]. Seonghwa Industrial actively seeks new growth engines in response to global power market changes towards carbon neutrality [4, 6].SeonghwaIndustrialCo.,Ltd.,establishedin1983,isaspecializedcompanysupplyingpipesupports,prefabricatedpiping,modules,andskidstructuresasasinglepackage[DB,4,6].Itservesasaleadingproviderofintegratedmechanicalsystemservicesinvariousindustrialsectors,includingpowerplants,petrochemicals,offshorefacilities,andLNGterminals,bothdomesticallyandinternationally[DB,3,4,6,15,19].Thecompany'sfocusoncontinuoustechnologicaldevelopmentandqualityimprovementover40yearshasresultedinaccumulatedexpertiseandexperience,meetingdiversecustomerdemands[DB,4,6].SeonghwaIndustrialactivelyseeksnewgrowthenginesinresponsetoglobalpowermarketchangestowardscarbonneutrality[4,6].
Key Products/TechnologiesKeyProducts/Technologies
Pipe Supports: A wide range of products including CONSTANT HANGER, VARIABLE SPRING HANGER, SNUBBER (Group HS), CRYOGENIC PIPE SUPPORTS, PIPE CLAMP, THREADED CONNECTING ELEMENT, and STRUCTURAL ATTACHMENT [DB, 2, 4, 12]. The company holds unique technological capabilities in the design, manufacturing, testing, and installation of high-value-added products like Hydraulic Snubbers and Dampers, crucial for ensuring pipe system safety against earthquakes and external impacts [2]. Snubbers feature a load range of 0.6-60.0 tons and a stroke range of 100-450mm [17].PipeSupports:AwiderangeofproductsincludingCONSTANTHANGER,VARIABLESPRINGHANGER,SNUBBER(GroupHS),CRYOGENICPIPESUPPORTS,PIPECLAMP,THREADEDCONNECTINGELEMENT,andSTRUCTURALATTACHMENT[DB,2,4,12].Thecompanyholdsuniquetechnologicalcapabilitiesinthedesign,manufacturing,testing,andinstallationofhigh-value-addedproductslikeHydraulicSnubbersandDampers,crucialforensuringpipesystemsafetyagainstearthquakesandexternalimpacts[2].Snubbersfeaturealoadrangeof0.6-60.0tonsandastrokerangeof100-450mm[17].
Prefabricated Piping: Services for manufacturing pipes and fittings used in power plants, petrochemical complexes, LNG terminals, and offshore plants, tailored to customer specifications [DB, 4, 12, 15]. This includes customized designs based on precise engineering, considering thermal expansion, vibration, and self-weight of piping [2].PrefabricatedPiping:Servicesformanufacturingpipesandfittingsusedinpowerplants,petrochemicalcomplexes,LNGterminals,andoffshoreplants,tailoredtocustomerspecifications[DB,4,12,15].Thisincludescustomizeddesignsbasedonpreciseengineering,consideringthermalexpansion,vibration,andself-weightofpiping[2].
Modules & Skids: Solutions for fabricating pipe modules with multiple pipes and supporting frames, then transporting them to the site to simplify complex processes and reduce working hours [DB, 4, 12, 15]. This technology contributes to reducing construction costs and enhancing the overall safety and reliability of the plant [2].Modules&Skids:Solutionsforfabricatingpipemoduleswithmultiplepipesandsupportingframes,thentransportingthemtothesitetosimplifycomplexprocessesandreduceworkinghours[DB,4,12,15].Thistechnologycontributestoreducingconstructioncostsandenhancingtheoverallsafetyandreliabilityoftheplant[2].
Hot Finished Seamless Pipes: Production capability for large-diameter seamless steel pipes ranging from 16 to 32 inches, using carbon steel (Gr.B/C/6/X42-X70) and low alloy steel (P11/12/22/5/9/91) materials through hot expansion and heat treatment processes [DB, 16]. The company operates three factories dedicated to pipe hangers & supports, prefabricated piping, and hot expanded seamless pipes [16].HotFinishedSeamlessPipes:Productioncapabilityforlarge-diameterseamlesssteelpipesrangingfrom16to32inches,usingcarbonsteel(Gr.B/C/6/X42-X70)andlowalloysteel(P11/12/22/5/9/91)materialsthroughhotexpansionandheattreatmentprocesses[DB,16].Thecompanyoperatesthreefactoriesdedicatedtopipehangers&supports,prefabricatedpiping,andhotexpandedseamlesspipes[16].
Technical Capabilities: Expertise in design verification through pipe analysis, steel structure analysis, and structural analysis to ensure the structural stability of products [17]. Development and operation of add-on and standalone software for plant 3D technology support [17].TechnicalCapabilities:Expertiseindesignverificationthroughpipeanalysis,steelstructureanalysis,andstructuralanalysistoensurethestructuralstabilityofproducts[17].Developmentandoperationofadd-onandstandalonesoftwareforplant3Dtechnologysupport[17].
Core AdvantagesCoreAdvantages
Integrated package supply capability as a mechanical system integrator, offering pipe supports, prefabricated piping, pipe modules, and skid structures as a single package tailored to customer requirements [DB, 3, 4, 9, 15, 19]. This enables customized designs optimized for specific customer needs and plant environments [2].Integratedpackagesupplycapabilityasamechanicalsystemintegrator,offeringpipesupports,prefabricatedpiping,pipemodules,andskidstructuresasasinglepackagetailoredtocustomerrequirements[DB,3,4,9,15,19].Thisenablescustomizeddesignsoptimizedforspecificcustomerneedsandplantenvironments[2].
Successful localization of high-value-added core components, such as Hydraulic Snubbers, previously entirely dependent on imports, and the development of high-performance vibration isolators for nuclear power plants [2]. The successful domestic production of high-performance hydraulic vibration isolators meeting stringent nuclear power plant safety standards contributes to strengthening the safety of national key infrastructure [2].Successfullocalizationofhigh-value-addedcorecomponents,suchasHydraulicSnubbers,previouslyentirelydependentonimports,andthedevelopmentofhigh-performancevibrationisolatorsfornuclearpowerplants[2].Thesuccessfuldomesticproductionofhigh-performancehydraulicvibrationisolatorsmeetingstringentnuclearpowerplantsafetystandardscontributestostrengtheningthesafetyofnationalkeyinfrastructure[2].
Precise engineering capabilities based on over 40 years of accumulated technology and experience [DB, 2, 4, 6, 7, 10, 12, 13, 19]. Precise engineering, considering thermal expansion, vibration, and self-weight of piping, is a key factor in maximizing the structural stability and operational efficiency of pipe systems [2].Preciseengineeringcapabilitiesbasedonover40yearsofaccumulatedtechnologyandexperience[DB,2,4,6,7,10,12,13,19].Preciseengineering,consideringthermalexpansion,vibration,andself-weightofpiping,isakeyfactorinmaximizingthestructuralstabilityandoperationalefficiencyofpipesystems[2].
Extensive export experience and technological prowess in global markets [3, 6, 7, 9, 15, 19]. Market presence in 63 countries and securing 150 clients (as of 2026) [12]. Over 60% of total revenue generated from overseas in 2002, demonstrating strong global competitiveness [7].Extensiveexportexperienceandtechnologicalprowessinglobalmarkets[3,6,7,9,15,19].Marketpresencein63countriesandsecuring150clients(asof2026)[12].Over60%oftotalrevenuegeneratedfromoverseasin2002,demonstratingstrongglobalcompetitiveness[7].
Utilization of patented technology, 'Pipe Support Location Selection and Modeling Automation System,' for 3D modeling-based simulations [2]. This provides differentiated value by preventing design errors in advance and optimizing the quantity and arrangement of supports, thereby reducing construction costs [2].Utilizationofpatentedtechnology,'PipeSupportLocationSelectionandModelingAutomationSystem,'for3Dmodeling-basedsimulations[2].Thisprovidesdifferentiatedvaluebypreventingdesignerrorsinadvanceandoptimizingthequantityandarrangementofsupports,therebyreducingconstructioncosts[2].
Target IndustrieTargetIndustrie
Power Plants [2, 6, 7, 12, 15, 17, 19]PowerPlants[2,6,7,12,15,17,19]
Utility Model Registration: Civil Engineering Mat (1999) [1]UtilityModelRegistration:CivilEngineeringMat(1999)[1]
Main-Biz Certification (Management Innovation Small and Medium Business) (2019) [1]Main-BizCertification(ManagementInnovationSmallandMediumBusiness)(2019)[1]
INNO-BIZ Certification (Technology Innovation Small and Medium Business) (2009) [1]INNO-BIZCertification(TechnologyInnovationSmallandMediumBusiness)(2009)[1]
Excellent Brand Certificate for Potting Soil (2009) [1]ExcellentBrandCertificateforPottingSoil(2009)[1]
Qualified Supplier Status for Hydraulic Snubber (C215C) from Korea Hydro & Nuclear Power Co., Ltd. (2023) [6, 17]QualifiedSupplierStatusforHydraulicSnubber(C215C)fromKoreaHydro&NuclearPowerCo.,Ltd.(2023)[6,17]
Babcock-Riley Power "Supplier Award 2022" (2023) [6]Babcock-RileyPower"SupplierAward2022"(2023)[6]
Minister of Trade, Industry and Energy Commendation for Contribution to Machinery and Robot Industry Development (2022) [6]MinisterofTrade,IndustryandEnergyCommendationforContributiontoMachineryandRobotIndustryDevelopment(2022)[6]
TOSHIBA "Excellent Supplier Award 2021" (2022) [6]TOSHIBA"ExcellentSupplierAward2021"(2022)[6]