KOSTEEL, established in 1977, is a specialized mild steel wire rod manufacturer, contributing to the development of the national steel industry. The company has diversified its business portfolio from mild steel wire rods to various processed wire rod products, including deformed steel bars, steel wires, rebars, annealed wires, and flat coils. Through continuous investment in technology development and strong customer support, it has grown into a leading mild steel wire rod company in Korea. A market leader in innovative concrete reinforcement and construction materials, including Bundrex, Superdeck, and Hybrid Fiber.KOSTEEL,establishedin1977,isaspecializedmildsteelwirerodmanufacturer,contributingtothedevelopmentofthenationalsteelindustry.Thecompanyhasdiversifieditsbusinessportfoliofrommildsteelwirerodstovariousprocessedwirerodproducts,includingdeformedsteelbars,steelwires,rebars,annealedwires,andflatcoils.Throughcontinuousinvestmentintechnologydevelopmentandstrongcustomersupport,ithasgrownintoaleadingmildsteelwirerodcompanyinKorea.Amarketleaderininnovativeconcretereinforcementandconstructionmaterials,includingBundrex,Superdeck,andHybridFiber.
Key Products/TechnologiesKeyProducts/Technologies
Mild Steel Wire Rod: Production of high-quality mild steel wire rods with diameters ranging from 5.5mm to 15.0mm, adhering to KSD3554 quality standards. Wide application in various industrial sectors such as construction, civil engineering, and automotive, as well as daily necessities like interior products, landscaping, and stationery. Enhanced product competitiveness through the use of superior raw materials from POSCO and Hyundai Steel.MildSteelWireRod:Productionofhigh-qualitymildsteelwirerodswithdiametersrangingfrom5.5mmto15.0mm,adheringtoKSD3554qualitystandards.Wideapplicationinvariousindustrialsectorssuchasconstruction,civilengineering,andautomotive,aswellasdailynecessitieslikeinteriorproducts,landscaping,andstationery.EnhancedproductcompetitivenessthroughtheuseofsuperiorrawmaterialsfromPOSCOandHyundaiSteel.
Processed Goods: A diverse range of processed wire rod products, including low carbon steel wire, annealed wire/banding wire, common nails, flat coils, and deformed wire. Manufacturing of top-quality products by processing mild steel wire rods produced according to KSD3554 standards. Operation of a strict process and quality control system in accordance with ISO and KS regulations.ProcessedGoods:Adiverserangeofprocessedwirerodproducts,includinglowcarbonsteelwire,annealedwire/bandingwire,commonnails,flatcoils,anddeformedwire.Manufacturingoftop-qualityproductsbyprocessingmildsteelwirerodsproducedaccordingtoKSD3554standards.OperationofastrictprocessandqualitycontrolsysteminaccordancewithISOandKSregulations.
BUNDREX®: A world-patented arched steel fiber concrete reinforcement material. Innovative technology that compensates for the brittleness of concrete, enhancing ductility and flexural toughness, and preventing cracking. Widely utilized as a reinforcement for various floor slab concrete structures in civil engineering and construction fields.BUNDREX®:Aworld-patentedarchedsteelfiberconcretereinforcementmaterial.Innovativetechnologythatcompensatesforthebrittlenessofconcrete,enhancingductilityandflexuraltoughness,andpreventingcracking.Widelyutilizedasareinforcementforvariousfloorslabconcretestructuresincivilengineeringandconstructionfields.
SUPERDECK®: Korea's first integrated deck plate. Application of exclusive patented technology to minimize existing defects by ensuring non-exposure of welding points, improving workability. Recognized for its safety and quality in high-rise building construction, including the Lotte World Tower. Available in N-type, W-type wide integrated deck, and A-type removable deck models.SUPERDECK®:Korea'sfirstintegrateddeckplate.Applicationofexclusivepatentedtechnologytominimizeexistingdefectsbyensuringnon-exposureofweldingpoints,improvingworkability.Recognizedforitssafetyandqualityinhigh-risebuildingconstruction,includingtheLotteWorldTower.AvailableinN-type,W-typewideintegrateddeck,andA-typeremovabledeckmodels.
SUPER WIRE MESH: A grid-type sheet/roll produced by arranging high-strength steel wires at right angles and joining intersections by electric resistance welding. Achieved high-quality welding performance through the application of a Direct Welding System to each welding unit. Minimization of material waste, reduction of labor costs, and effective prevention of concrete cracks through uniform reinforcement.SUPERWIREMESH:Agrid-typesheet/rollproducedbyarranginghigh-strengthsteelwiresatrightanglesandjoiningintersectionsbyelectricresistancewelding.Achievedhigh-qualityweldingperformancethroughtheapplicationofaDirectWeldingSystemtoeachweldingunit.Minimizationofmaterialwaste,reductionoflaborcosts,andeffectivepreventionofconcretecracksthroughuniformreinforcement.
SUPER STEEL MAT: Pre-assembled lattice mat using self-produced high-strength rebar. Precise rebar cross-sectional area and spacing achieved through state-of-the-art automated facilities. Benefits include reduced installation time, improved productivity, labor cost savings, and effective prevention of concrete cracking.SUPERSTEELMAT:Pre-assembledlatticematusingself-producedhigh-strengthrebar.Preciserebarcross-sectionalareaandspacingachievedthroughstate-of-the-artautomatedfacilities.Benefitsincludereducedinstallationtime,improvedproductivity,laborcostsavings,andeffectivepreventionofconcretecracking.
Hybrid Fiber: A product designed to optimize reinforcement effects by combining the advantages of two or more different fibers. Specifically developed to enhance spalling resistance and fire-resisting capacity of high-strength concrete.HybridFiber:Aproductdesignedtooptimizereinforcementeffectsbycombiningtheadvantagesoftwoormoredifferentfibers.Specificallydevelopedtoenhancespallingresistanceandfire-resistingcapacityofhigh-strengthconcrete.
Core AdvantagesCoreAdvantages
Over 45 years of accumulated experience and technical know-how: A company that has maintained a leading position in the mild steel wire rod sector since its establishment in 1977, securing high competitiveness in both domestic and international steel markets.Over45yearsofaccumulatedexperienceandtechnicalknow-how:Acompanythathasmaintainedaleadingpositioninthemildsteelwirerodsectorsinceitsestablishmentin1977,securinghighcompetitivenessinbothdomesticandinternationalsteelmarkets.
Diversified product portfolio and proprietary patented technologies: Possession of innovative product lines, including mild steel wire rods, processed products, the world-patented arched steel fiber Bundrex, and Korea's first integrated deck Superdeck.Diversifiedproductportfolioandproprietarypatentedtechnologies:Possessionofinnovativeproductlines,includingmildsteelwirerods,processedproducts,theworld-patentedarchedsteelfiberBundrex,andKorea'sfirstintegrateddeckSuperdeck.
Excellent quality control system and acquisition of domestic and international certifications: Proof of product reliability and excellence through the acquisition of numerous quality certifications such as ISO 9001, KS, JIS, CE, and SAE.Excellentqualitycontrolsystemandacquisitionofdomesticandinternationalcertifications:ProofofproductreliabilityandexcellencethroughtheacquisitionofnumerousqualitycertificationssuchasISO9001,KS,JIS,CE,andSAE.
Stable raw material supply chain and extensive sales network: Securing stable raw materials through long-term cooperative relationships with top domestic steel companies like POSCO and Hyundai Steel. Establishment of a strong sales network comprising approximately 300 loyal customers.Stablerawmaterialsupplychainandextensivesalesnetwork:Securingstablerawmaterialsthroughlong-termcooperativerelationshipswithtopdomesticsteelcompanieslikePOSCOandHyundaiSteel.Establishmentofastrongsalesnetworkcomprisingapproximately300loyalcustomers.
Production efficiency and customized production capabilities: Rapid delivery response and customized product manufacturing capabilities through a multi-product, small-volume production system and one-line system operation.Productionefficiencyandcustomizedproductioncapabilities:Rapiddeliveryresponseandcustomizedproductmanufacturingcapabilitiesthroughamulti-product,small-volumeproductionsystemandone-linesystemoperation.
Continuous R&D investment and innovative corporate culture: Contribution to productivity improvement and cost reduction through new product development via its Technology Product Research Center and idea management activities like 'SangSang Bank'.ContinuousR&Dinvestmentandinnovativecorporateculture:ContributiontoproductivityimprovementandcostreductionthroughnewproductdevelopmentviaitsTechnologyProductResearchCenterandideamanagementactivitieslike'SangSangBank'.
Target IndustrieTargetIndustrie
Construction industry (housing, apartments, high-rise buildings, general construction, etc.)Constructionindustry(housing,apartments,high-risebuildings,generalconstruction,etc.)
Civil engineering industry (bridges, railways, dams, and other social overhead capital projects)Civilengineeringindustry(bridges,railways,dams,andothersocialoverheadcapitalprojects)
Vietnam (KOSTEEL VINA local subsidiary), Japan, Cambodia, South Korea (domestic market), Thailand, Myanmar, Philippines, China (Beijing office)Vietnam(KOSTEELVINAlocalsubsidiary),Japan,Cambodia,SouthKorea(domesticmarket),Thailand,Myanmar,Philippines,China(Beijingoffice)
Europe (export base established through CE certification acquisition)Europe(exportbaseestablishedthroughCEcertificationacquisition)
USAUSA
AustraliaAustralia
Certifications/PatentsCertifications/Patents
Patents: Holds a world patent for arched steel fiber concrete reinforcement (Bundrex). Registered US Patent US-10414691-B2 (Arched steel fibers for reinforcing cement-based material). Holds proprietary technology patents related to integrated deck plates (Superdeck).Patents:Holdsaworldpatentforarchedsteelfiberconcretereinforcement(Bundrex).RegisteredUSPatentUS-10414691-B2(Archedsteelfibersforreinforcingcement-basedmaterial).Holdsproprietarytechnologypatentsrelatedtointegrateddeckplates(Superdeck).
Certifications: ISO 9001 (Quality Management System) certification. Compliance with KS (Korean Industrial Standards) such as KSD3554, KSD3504, and KSD3553. Acquisition of JIS (Japanese Industrial Standards) certification. Acquisition of CE (European Quality Certification). SAE (Society of Automotive Engineers) certification.Certifications:ISO9001(QualityManagementSystem)certification.CompliancewithKS(KoreanIndustrialStandards)suchasKSD3554,KSD3504,andKSD3553.AcquisitionofJIS(JapaneseIndustrialStandards)certification.AcquisitionofCE(EuropeanQualityCertification).SAE(SocietyofAutomotiveEngineers)certification.
Awards: Five consecutive years of winning the Korea Idea Management Grand Prize in the manufacturing sector from 2010 to 2013. Certified as a family-friendly company in 2012. Selected as a 'Korean Hidden Champion Nurturing Company' by the Korea Export-Import Bank in 2011.Awards:FiveconsecutiveyearsofwinningtheKoreaIdeaManagementGrandPrizeinthemanufacturingsectorfrom2010to2013.Certifiedasafamily-friendlycompanyin2012.Selectedasa'KoreanHiddenChampionNurturingCompany'bytheKoreaExport-ImportBankin2011.