Established in 1962, Joongwon Co., Ltd. is a specialized enterprise with over 60 years of experience in power distribution electrical equipment. The company is a leading innovator, having localized switchgear and protective devices for power distribution lines for the first time in Korea, supplying them to KEPCO and major domestic clients. Furthermore, it has expanded into the etching business, producing precision metal corrosion-processed products, and consistently growing in the electrical and electronic precision components market. Beyond its heavy electrical equipment and etching divisions, the company also operates in system integration, offering factory automation solutions, and electrical construction services, showcasing a diversified business structure. Joongwon is committed to developing eco-friendly products to combat global warming, adopting sustainable growth through continuous product innovation.Establishedin1962,JoongwonCo.,Ltd.isaspecializedenterprisewithover60yearsofexperienceinpowerdistributionelectricalequipment.Thecompanyisaleadinginnovator,havinglocalizedswitchgearandprotectivedevicesforpowerdistributionlinesforthefirsttimeinKorea,supplyingthemtoKEPCOandmajordomesticclients.Furthermore,ithasexpandedintotheetchingbusiness,producingprecisionmetalcorrosion-processedproducts,andconsistentlygrowingintheelectricalandelectronicprecisioncomponentsmarket.Beyonditsheavyelectricalequipmentandetchingdivisions,thecompanyalsooperatesinsystemintegration,offeringfactoryautomationsolutions,andelectricalconstructionservices,showcasingadiversifiedbusinessstructure.Joongwoniscommittedtodevelopingeco-friendlyproductstocombatglobalwarming,adoptingsustainablegrowththroughcontinuousproductinnovation.
Key Products/TechnologiesKeyProducts/Technologies
In the field of power distribution line switchgear and protective devices, the company offers a diverse range of switchgear products including Automatic Sectionalizing Switches (ASS), 3-Way Load Break Switches (LBS), 29kV indoor gas-insulated switchgear, and air-insulated load break switches. The ASS, designed for 22.9kV-Y distribution lines, features an Air Puffer type arc extinguishing structure and convenient fuse attachment for easy maintenance. The 3-Way LBS is suitable for 24kV line branching, boasting a Magnetic Actuator operating mechanism and a mechanical endurance of 5,000 operations.Inthefieldofpowerdistributionlineswitchgearandprotectivedevices,thecompanyoffersadiverserangeofswitchgearproductsincludingAutomaticSectionalizingSwitches(ASS),3-WayLoadBreakSwitches(LBS),29kVindoorgas-insulatedswitchgear,andair-insulatedloadbreakswitches.TheASS,designedfor22.9kV-Ydistributionlines,featuresanAirPuffertypearcextinguishingstructureandconvenientfuseattachmentforeasymaintenance.The3-WayLBSissuitablefor24kVlinebranching,boastingaMagneticActuatoroperatingmechanismandamechanicalenduranceof5,000operations.
Circuit breaker products include Compact Vacuum Circuit Breakers (VCB) and Magnetic Actuator Vacuum Circuit Breakers, utilizing vacuum as an arc extinguishing medium and adhering to IEC 62271-100 standards for high performance. The Compact VCB is notably designed for small and lightweight installation in 800mm switchgear panels. Fuse products are designed for protecting extra-high voltage distribution lines and substation facilities, including COS and current-limiting fuses, with various models such as 24kV power fuses available.CircuitbreakerproductsincludeCompactVacuumCircuitBreakers(VCB)andMagneticActuatorVacuumCircuitBreakers,utilizingvacuumasanarcextinguishingmediumandadheringtoIEC62271-100standardsforhighperformance.TheCompactVCBisnotablydesignedforsmallandlightweightinstallationin800mmswitchgearpanels.Fuseproductsaredesignedforprotectingextra-highvoltagedistributionlinesandsubstationfacilities,includingCOSandcurrent-limitingfuses,withvariousmodelssuchas24kVpowerfusesavailable.
For overhead lines, the Recloser is applicable to 12kV, 24kV, and 36kV distribution systems and substations, featuring an eco-friendly air-insulated design and verified for 10,000 operations, ensuring high reliability. Protective devices include surge arresters that limit ground faults and abnormal overvoltages in AC power systems, characterized by an FRP filament winding structure for excellent pressure relief performance.Foroverheadlines,theRecloserisapplicableto12kV,24kV,and36kVdistributionsystemsandsubstations,featuringaneco-friendlyair-insulateddesignandverifiedfor10,000operations,ensuringhighreliability.ProtectivedevicesincludesurgearrestersthatlimitgroundfaultsandabnormalovervoltagesinACpowersystems,characterizedbyanFRPfilamentwindingstructureforexcellentpressurereliefperformance.
In the precision metal etching business, the company operates 'Etching Point,' Korea's largest automated production facility, equipped with smart production and quality management systems. With specialized personnel in drawing-related fields, it provides micro-scale precision processing and specializes in thick plate processing from 0.02mm to 3.0T. Chemical etching technology, utilizing chemical corrosion, allows for flexible and rapid design changes, making it advantageous for multi-product small-batch production and short-term supply.Intheprecisionmetaletchingbusiness,thecompanyoperates'EtchingPoint,'Korea'slargestautomatedproductionfacility,equippedwithsmartproductionandqualitymanagementsystems.Withspecializedpersonnelindrawing-relatedfields,itprovidesmicro-scaleprecisionprocessingandspecializesinthickplateprocessingfrom0.02mmto3.0T.Chemicaletchingtechnology,utilizingchemicalcorrosion,allowsforflexibleandrapiddesignchanges,makingitadvantageousformulti-productsmall-batchproductionandshort-termsupply.
Core AdvantagesCoreAdvantages
Over 60 years of accumulated experience and unique technological expertise in power distribution electrical equipment since its establishment in 1962. Pioneering technological development capabilities, marked by the first domestic localization of switchgear and protective devices.Over60yearsofaccumulatedexperienceanduniquetechnologicalexpertiseinpowerdistributionelectricalequipmentsinceitsestablishmentin1962.Pioneeringtechnologicaldevelopmentcapabilities,markedbythefirstdomesticlocalizationofswitchgearandprotectivedevices.
High market credibility built through stable product supply to Korea Electric Power Corporation (KEPCO) and other major domestic clients. Establishment of an extensive global supply network, exporting to power authorities in over 30 countries worldwide.HighmarketcredibilitybuiltthroughstableproductsupplytoKoreaElectricPowerCorporation(KEPCO)andothermajordomesticclients.Establishmentofanextensiveglobalsupplynetwork,exportingtopowerauthoritiesinover30countriesworldwide.
A diversified business structure encompassing heavy electrical equipment and precision metal etching, ensuring a stable revenue base. The etching division, in particular, boasts Korea's largest automated production facility and smart production management system, leading to high productivity and quality competitiveness.Adiversifiedbusinessstructureencompassingheavyelectricalequipmentandprecisionmetaletching,ensuringastablerevenuebase.Theetchingdivision,inparticular,boastsKorea'slargestautomatedproductionfacilityandsmartproductionmanagementsystem,leadingtohighproductivityandqualitycompetitiveness.
Dedicated to developing eco-friendly products to combat global warming, with existing products undergoing RoHS certification and new products incorporating eco-friendly materials in their design, demonstrating continuous technological innovation. Recognition of its technological prowess and market leadership through numerous awards, including the Prime Minister's Commendation, the Ten Million Dollar Export Tower, the Bronze Tower Industrial Medal, and selection as a World-Class Product.Dedicatedtodevelopingeco-friendlyproductstocombatglobalwarming,withexistingproductsundergoingRoHScertificationandnewproductsincorporatingeco-friendlymaterialsintheirdesign,demonstratingcontinuoustechnologicalinnovation.Recognitionofitstechnologicalprowessandmarketleadershipthroughnumerousawards,includingthePrimeMinister'sCommendation,theTenMillionDollarExportTower,theBronzeTowerIndustrialMedal,andselectionasaWorld-ClassProduct.
Target IndustrieTargetIndustrie
Power Industry: Development and construction of power supply and control infrastructure, including power distribution systems, substations, and railway electrification substations.PowerIndustry:Developmentandconstructionofpowersupplyandcontrolinfrastructure,includingpowerdistributionsystems,substations,andrailwayelectrificationsubstations.
Electronic Precision Components Industry: Supply of precision metal etched components to Japanese and domestic electronics manufacturers.ElectronicPrecisionComponentsIndustry:SupplyofprecisionmetaletchedcomponentstoJapaneseanddomesticelectronicsmanufacturers.
Environmental Industry: Contribution to environmental protection and energy efficiency through the development and supply of eco-friendly products.EnvironmentalIndustry:Contributiontoenvironmentalprotectionandenergyefficiencythroughthedevelopmentandsupplyofeco-friendlyproducts.
Diverse Precision Metal Component Demand Industries: Including hydrogen energy, automotive, aerospace, and lifestyle sectors.DiversePrecisionMetalComponentDemandIndustries:Includinghydrogenenergy,automotive,aerospace,andlifestylesectors.
Major MarketsMajorMarkets
South Korea, Japan, Vietnam, IndonesiaSouthKorea,Japan,Vietnam,Indonesia
Certifications/PatentsCertifications/Patents
ISO 9001 (Quality Management System) certification, demonstrating compliance with international standards for quality control.ISO9001(QualityManagementSystem)certification,demonstratingcompliancewithinternationalstandardsforqualitycontrol.
ISO 14001 (Environmental Management System) certification, reflecting eco-friendly management systems and product development capabilities.ISO14001(EnvironmentalManagementSystem)certification,reflectingeco-friendlymanagementsystemsandproductdevelopmentcapabilities.
RoHS testing and certification for existing products to replace with eco-friendly components, and adoption of eco-friendly materials in new product development.RoHStestingandcertificationforexistingproductstoreplacewitheco-friendlycomponents,andadoptionofeco-friendlymaterialsinnewproductdevelopment.
UL certification for semiconductor protective fuses (E148347) and the first domestic RoHS certification for power equipment.ULcertificationforsemiconductorprotectivefuses(E148347)andthefirstdomesticRoHScertificationforpowerequipment.
KS certification for MOF (Metering Out Fit) and KAS product certification (V-CHECK certification), ensuring product reliability and safety.KScertificationforMOF(MeteringOutFit)andKASproductcertification(V-CHECKcertification),ensuringproductreliabilityandsafety.
Introduction
Location
23 Sandan-ro 163beon-gil, Danwon-gu, Ansan-si, Gyeonggi-do, South Korea