Established in 1993, Kwan Kwang Co., Ltd. is a specialized manufacturer of hydraulic couplers, leading the domestic hydraulic coupler industry based on long-accumulated technological expertise. The company plays a crucial role in supplying high-quality hydraulic couplers essential for industrial, construction, forestry equipment, and various industrial machinery. Its corporate philosophy emphasizes providing optimal quality and reliability to meet customer expectations. Kwan Kwang continuously strives to enhance its market competitiveness through ongoing technological development and innovation. The company is a solution provider that improves the efficiency and safety of hydraulic systems.Establishedin1993,KwanKwangCo.,Ltd.isaspecializedmanufacturerofhydrauliccouplers,leadingthedomestichydrauliccouplerindustrybasedonlong-accumulatedtechnologicalexpertise.Thecompanyplaysacrucialroleinsupplyinghigh-qualityhydrauliccouplersessentialforindustrial,construction,forestryequipment,andvariousindustrialmachinery.Itscorporatephilosophyemphasizesprovidingoptimalqualityandreliabilitytomeetcustomerexpectations.KwanKwangcontinuouslystrivestoenhanceitsmarketcompetitivenessthroughongoingtechnologicaldevelopmentandinnovation.Thecompanyisasolutionproviderthatimprovestheefficiencyandsafetyofhydraulicsystems.
Key Products/TechnologiesKeyProducts/Technologies
The KCA series hydraulic coupler is a double shut-off quick coupler that complies with the ISO 7241-1 Series A standard, utilized in demanding hydraulic equipment across industrial, construction, and forestry sectors. Its body material includes steel and stainless steel (303, 316), available in sizes ranging from 1/4 inch to 2 inches. It boasts a maximum working pressure of up to 210 kgf/cm² for steel models, with VITON and NBR rubber seals accommodating a wide temperature range. Compatibility with major brands like PARKER 6600, FASTER ANV, CEJN X95, and NITTO 210 is a key feature.TheKCAserieshydrauliccouplerisadoubleshut-offquickcouplerthatcomplieswiththeISO7241-1SeriesAstandard,utilizedindemandinghydraulicequipmentacrossindustrial,construction,andforestrysectors.Itsbodymaterialincludessteelandstainlesssteel(303,316),availableinsizesrangingfrom1/4inchto2inches.Itboastsamaximumworkingpressureofupto210kgf/cm²forsteelmodels,withVITONandNBRrubbersealsaccommodatingawidetemperaturerange.CompatibilitywithmajorbrandslikePARKER6600,FASTERANV,CEJNX95,andNITTO210isakeyfeature.
The KCN series is a double shut-off coupling specifically designed for strong impact resistance, ensuring stable connections in high-load hydraulic environments. This model is compatible with NITTO HSP and is applied in various demanding hydraulic systems within industrial, construction, forestry equipment, and general industrial machinery. The KCB series adheres to the ISO 7241-1 Series B standard, offering broad compatibility with PARKER 60, FASTER HNV, and NITTO SP. The KJP/KJB series are hydraulic jack couplers designed for high operating pressures of 750 kg/㎠. The KFL series is a flat-face hydraulic coupler complying with the ISO 16028 standard. The KSC series is a screw-type hydraulic coupler engineered for extreme high pressure and high flow rates. The KSL and KSH series are hydraulic swivels designed to allow 360-degree rotation of piping when conveying pressurized fluids. The company also offers a range of accessories, including ISO7241-1A/B, ISO16028, and KSC type caps made from NBR, SUS, PVC, and aluminum materials.TheKCNseriesisadoubleshut-offcouplingspecificallydesignedforstrongimpactresistance,ensuringstableconnectionsinhigh-loadhydraulicenvironments.ThismodeliscompatiblewithNITTOHSPandisappliedinvariousdemandinghydraulicsystemswithinindustrial,construction,forestryequipment,andgeneralindustrialmachinery.TheKCBseriesadherestotheISO7241-1SeriesBstandard,offeringbroadcompatibilitywithPARKER60,FASTERHNV,andNITTOSP.TheKJP/KJBseriesarehydraulicjackcouplersdesignedforhighoperatingpressuresof750kg/㎠.TheKFLseriesisaflat-facehydrauliccouplercomplyingwiththeISO16028standard.TheKSCseriesisascrew-typehydrauliccouplerengineeredforextremehighpressureandhighflowrates.TheKSLandKSHseriesarehydraulicswivelsdesignedtoallow360-degreerotationofpipingwhenconveyingpressurizedfluids.Thecompanyalsooffersarangeofaccessories,includingISO7241-1A/B,ISO16028,andKSCtypecapsmadefromNBR,SUS,PVC,andaluminummaterials.
Core AdvantagesCoreAdvantages
As a leader in the domestic hydraulic coupler industry, the company possesses extensive accumulated technology and know-how in hydraulic couplers since its establishment in 1993. It has built a comprehensive product lineup that complies with various industrial standards, including ISO 7241-1 Series A, B, and ISO 16028. The company demonstrates a strong capability in producing high-quality products that meet the stringent requirements of demanding hydraulic equipment. It offers a wide range of product choices, utilizing diverse body materials such as steel and stainless steel, and special rubber materials like VITON and NBR.Asaleaderinthedomestichydrauliccouplerindustry,thecompanypossessesextensiveaccumulatedtechnologyandknow-howinhydrauliccouplerssinceitsestablishmentin1993.Ithasbuiltacomprehensiveproductlineupthatcomplieswithvariousindustrialstandards,includingISO7241-1SeriesA,B,andISO16028.Thecompanydemonstratesastrongcapabilityinproducinghigh-qualityproductsthatmeetthestringentrequirementsofdemandinghydraulicequipment.Itoffersawiderangeofproductchoices,utilizingdiversebodymaterialssuchassteelandstainlesssteel,andspecialrubbermaterialslikeVITONandNBR.
The company exhibits strong capabilities in technological innovation through continuous research and development, holding multiple patents related to hydraulic couplers, opening gates, and gas infusers. Starting with the registration of a hydraulic coupler patent (Patent No. 0315979) in 2001, it secured a patent for a hydraulic coupler opening gate (Patent No. 0331040) in 2002, and a patent for a gas infuser and hydraulic coupler (Patent No. 492926) in 2005. This demonstrates its position as a technology-leading enterprise. Its management philosophy prioritizes customer success as the company's foremost objective.Thecompanyexhibitsstrongcapabilitiesintechnologicalinnovationthroughcontinuousresearchanddevelopment,holdingmultiplepatentsrelatedtohydrauliccouplers,openinggates,andgasinfusers.Startingwiththeregistrationofahydrauliccouplerpatent(PatentNo.0315979)in2001,itsecuredapatentforahydrauliccoupleropeninggate(PatentNo.0331040)in2002,andapatentforagasinfuserandhydrauliccoupler(PatentNo.492926)in2005.Thisdemonstratesitspositionasatechnology-leadingenterprise.Itsmanagementphilosophyprioritizescustomersuccessasthecompany'sforemostobjective.
The product designs ensure high compatibility with major global brands such as PARKER, FASTER, CEJN, and NITTO. This enhances interoperability with customer's existing systems, improving ease of adoption and maintenance. The company offers the ability to customize product specifications to meet the diverse needs of various industrial sectors. It develops and produces specialized coupler series optimized for specific environments, including high pressure, high flow, and impact resistance.TheproductdesignsensurehighcompatibilitywithmajorglobalbrandssuchasPARKER,FASTER,CEJN,andNITTO.Thisenhancesinteroperabilitywithcustomer'sexistingsystems,improvingeaseofadoptionandmaintenance.Thecompanyofferstheabilitytocustomizeproductspecificationstomeetthediverseneedsofvariousindustrialsectors.Itdevelopsandproducesspecializedcouplerseriesoptimizedforspecificenvironments,includinghighpressure,highflow,andimpactresistance.
The company boasts a strong track record of supplying to major domestic corporations, including Daedong Industry Co., Ltd., Dongyang Trading Co., Ltd., and LS Mtron Co., Ltd. This serves as significant proof of its product reliability and technological prowess. A robust domestic market foundation ensures stable business operations. The company builds long-term partnerships based on customer-centric service and trust.Thecompanyboastsastrongtrackrecordofsupplyingtomajordomesticcorporations,includingDaedongIndustryCo.,Ltd.,DongyangTradingCo.,Ltd.,andLSMtronCo.,Ltd.Thisservesassignificantproofofitsproductreliabilityandtechnologicalprowess.Arobustdomesticmarketfoundationensuresstablebusinessoperations.Thecompanybuildslong-termpartnershipsbasedoncustomer-centricserviceandtrust.
Target IndustrieTargetIndustrie
Industrial Equipment Manufacturing Industry: Hydraulic system connection components for various industrial machinery and facilities. Construction Equipment Manufacturing Industry: Hydraulic line connection and control for heavy equipment such as excavators and loaders. Forestry Equipment Manufacturing Industry: Hydraulic systems for forestry machinery, including loggers and transport equipment. General Industrial Machinery Industry: Wide range of hydraulic applications in factory automation equipment and agricultural machinery.IndustrialEquipmentManufacturingIndustry:Hydraulicsystemconnectioncomponentsforvariousindustrialmachineryandfacilities.ConstructionEquipmentManufacturingIndustry:Hydrauliclineconnectionandcontrolforheavyequipmentsuchasexcavatorsandloaders.ForestryEquipmentManufacturingIndustry:Hydraulicsystemsforforestrymachinery,includingloggersandtransportequipment.GeneralIndustrialMachineryIndustry:Widerangeofhydraulicapplicationsinfactoryautomationequipmentandagriculturalmachinery.
Major MarketsMajorMarkets
Certifications/PatentsCertifications/Patents
Hydraulic Coupler Patent (Republic of Korea Patent No. 0315979) registered in 2001HydraulicCouplerPatent(RepublicofKoreaPatentNo.0315979)registeredin2001
Hydraulic Coupler Opening Gate Patent (Republic of Korea Patent No. 0331040) registered in 2002HydraulicCouplerOpeningGatePatent(RepublicofKoreaPatentNo.0331040)registeredin2002
Gas Infuser and Hydraulic Coupler Patent (Republic of Korea Patent No. 492926) registered in 2005GasInfuserandHydraulicCouplerPatent(RepublicofKoreaPatentNo.492926)registeredin2005
ISO 7241-1 Series A standard compliance (KCA Series)ISO7241-1SeriesAstandardcompliance(KCASeries)
ISO 7241-1 Series B standard compliance (KCB Series)ISO7241-1SeriesBstandardcompliance(KCBSeries)
ISO 16028 standard compliance (KFL Series)ISO16028standardcompliance(KFLSeries)
Introduction
Location
23 Gaya-daero 133beon-gil, Sasang-gu, Busan, South Korea