Yongkwang Flexible Ind. Co., Ltd. is a specialized manufacturer of expansion joints and flexible tubes, established in 1977. A company focused on meeting diverse customer needs through the application of the latest technologies and materials. Providing various piping component solutions, including exhaust pipes, expansion joints, supply/exhaust pipes, Teflon products, and bellows. A key supplier contributing to the safety and efficiency enhancement of plant facilities.YongkwangFlexibleInd.Co.,Ltd.isaspecializedmanufacturerofexpansionjointsandflexibletubes,establishedin1977.Acompanyfocusedonmeetingdiversecustomerneedsthroughtheapplicationofthelatesttechnologiesandmaterials.Providingvariouspipingcomponentsolutions,includingexhaustpipes,expansionjoints,supply/exhaustpipes,Teflonproducts,andbellows.Akeysuppliercontributingtothesafetyandefficiencyenhancementofplantfacilities.
Key Products/TechnologiesKeyProducts/Technologies
The main product line includes various types of expansion joints.Themainproductlineincludesvarioustypesofexpansionjoints.
A product lineup encompassing single, universal, external pressure, hinged, gimbal, pressure balanced, rectangular metal, and special types.Aproductlineupencompassingsingle,universal,externalpressure,hinged,gimbal,pressurebalanced,rectangularmetal,andspecialtypes.
Flexible hoses and quick couplings also represent core product categories.Flexiblehosesandquickcouplingsalsorepresentcoreproductcategories.
Specialization in the production of gas boiler supply/exhaust pipes and exhaust flues.Specializationintheproductionofgasboilersupply/exhaustpipesandexhaustflues.
Implementation of superior expansion absorption performance through bellows technology, especially for high-temperature and high-pressure environments.Implementationofsuperiorexpansionabsorptionperformancethroughbellowstechnology,especiallyforhigh-temperatureandhigh-pressureenvironments.
Engineering capabilities for precise analysis of actual pipe expansion and contraction, proposing optimal specifications.Engineeringcapabilitiesforpreciseanalysisofactualpipeexpansionandcontraction,proposingoptimalspecifications.
Application of a triple stopper structure in flexible hoses for enhanced airtightness and safety.Applicationofatriplestopperstructureinflexiblehosesforenhancedairtightnessandsafety.
Skilled staff specializing in pipe motion technology, enabling efficient system design.Skilledstaffspecializinginpipemotiontechnology,enablingefficientsystemdesign.
Core AdvantagesCoreAdvantages
A strong position as a major supplier in the plant industry's bellows sector, built on over 40 years of experience.Astrongpositionasamajorsupplierintheplantindustry'sbellowssector,builtonover40yearsofexperience.
Accumulation of in-depth expertise and know-how in the manufacturing of expansion joints and flexible tubes.Accumulationofin-depthexpertiseandknow-howinthemanufacturingofexpansionjointsandflexibletubes.
The ability to design and provide customized solutions to meet specific customer requirements.Theabilitytodesignandprovidecustomizedsolutionstomeetspecificcustomerrequirements.
Operation of a stringent quality control system for the production of the highest quality products.Operationofastringentqualitycontrolsystemfortheproductionofthehighestqualityproducts.
Assurance of product reliability through ISO 9001 quality management system certification and Korean Gas Safety Corporation performance certification.AssuranceofproductreliabilitythroughISO9001qualitymanagementsystemcertificationandKoreanGasSafetyCorporationperformancecertification.
Securing technological superiority through the possession of multiple patents and utility models, including a patent for bellows cover installation methods.Securingtechnologicalsuperioritythroughthepossessionofmultiplepatentsandutilitymodels,includingapatentforbellowscoverinstallationmethods.
Registration as a primary vendor for major domestic EPC (Engineering, Procurement, and Construction) companies such as GS E&C, POSCO E&C, Daelim Industrial, Hanwha E&C, and Samsung Engineering, alongside direct transaction channels with key overseas clients like Saudi Electricity Company and Kuwait National Petroleum Company.RegistrationasaprimaryvendorformajordomesticEPC(Engineering,Procurement,andConstruction)companiessuchasGSE&C,POSCOE&C,DaelimIndustrial,HanwhaE&C,andSamsungEngineering,alongsidedirecttransactionchannelswithkeyoverseasclientslikeSaudiElectricityCompanyandKuwaitNationalPetroleumCompany.
Target IndustrieTargetIndustrie
Supply of essential components for petrochemical plants and the thermal piping systems of power generation plants.Supplyofessentialcomponentsforpetrochemicalplantsandthethermalpipingsystemsofpowergenerationplants.
Application in various power generation facilities, including thermal power plants, coal gasification combined cycle power plants, and LNG terminals.Applicationinvariouspowergenerationfacilities,includingthermalpowerplants,coalgasificationcombinedcyclepowerplants,andLNGterminals.
Extensive application experience across diverse industrial sectors such as steel, chemical, refining, and renewable energy.Extensiveapplicationexperienceacrossdiverseindustrialsectorssuchassteel,chemical,refining,andrenewableenergy.
Utilization in general industrial equipment, including domestic gas boilers, warm air heater flues, and duct pipes.Utilizationingeneralindustrialequipment,includingdomesticgasboilers,warmairheaterflues,andductpipes.
A crucial role in preventing pipe cracks and damage due to earthquakes, ground subsidence, temperature changes, and vibrations.Acrucialroleinpreventingpipecracksanddamageduetoearthquakes,groundsubsidence,temperaturechanges,andvibrations.
Major MarketsMajorMarkets
Japan, Saudi Arabia, Vietnam, IndiaJapan,SaudiArabia,Vietnam,India
United KingdomUnitedKingdom
United StatesUnitedStates
Certifications/PatentsCertifications/Patents
Acquisition of ISO 9001 Quality Management System certification from EAQA UK.AcquisitionofISO9001QualityManagementSystemcertificationfromEAQAUK.
Attainment of performance certification from the Korea Gas Safety Corporation for 70mm FF type curved and integrated gas boiler supply/exhaust pipes.AttainmentofperformancecertificationfromtheKoreaGasSafetyCorporationfor70mmFFtypecurvedandintegratedgasboilersupply/exhaustpipes.
Possession of two patents related to bellows cover installation methods.Possessionoftwopatentsrelatedtobellowscoverinstallationmethods.
Holding seven utility models, including one for freely adjustable double pipe sizes, demonstrating diverse intellectual property.Holdingsevenutilitymodels,includingoneforfreelyadjustabledoublepipesizes,demonstratingdiverseintellectualproperty.
Maintenance of high quality standards through the acquisition of 100PPM quality certification.Maintenanceofhighqualitystandardsthroughtheacquisitionof100PPMqualitycertification.