DONGDO EI Co.,LTD is a specialized company in the development and production of various ultra-precision measuring instruments, including LVDT/LVIT/HBT/digital linear sensors, electronic micrometers, and electronic inclinometers. The company has demonstrated its technological prowess by supplying reliable and high-resolution products to major domestic and international clients for over 20 years. It possesses a product line capable of micrometer-level precision measurement and exhibits strong export capabilities to global markets.DONGDOEICo.,LTDisaspecializedcompanyinthedevelopmentandproductionofvariousultra-precisionmeasuringinstruments,includingLVDT/LVIT/HBT/digitallinearsensors,electronicmicrometers,andelectronicinclinometers.Thecompanyhasdemonstrateditstechnologicalprowessbysupplyingreliableandhigh-resolutionproductstomajordomesticandinternationalclientsforover20years.Itpossessesaproductlinecapableofmicrometer-levelprecisionmeasurementandexhibitsstrongexportcapabilitiestoglobalmarkets.
Key Products/TechnologiesKeyProducts/Technologies
LVDT/HBT Standard Probes & Ultra Soft Touch Probes: Models DP-S1, DP-S2M, SC2, S2, S4, 10, 25 (HBT type) offering various measuring ranges from ±0.5mm to ±12.5mm with high resolution and linearity.LVDT/HBTStandardProbes&UltraSoftTouchProbes:ModelsDP-S1,DP-S2M,SC2,S2,S4,10,25(HBTtype)offeringvariousmeasuringrangesfrom±0.5mmto±12.5mmwithhighresolutionandlinearity.
Pneumatic Type Probes & Ultra Soft Pneumatic Type Probes: Models DP-S2A, S4A, 10A (HBT type) providing measuring ranges from ±1.0mm to ±5.0mm.PneumaticTypeProbes&UltraSoftPneumaticTypeProbes:ModelsDP-S2A,S4A,10A(HBTtype)providingmeasuringrangesfrom±1.0mmto±5.0mm.
Digital Linear Gauge: Models DL-15S, 30S, 50S (Absolute type) with measuring ranges of 15mm, 30mm, 50mm, a resolution of 0.1um, an accuracy of ±1um, and a compact size.DigitalLinearGauge:ModelsDL-15S,30S,50S(Absolutetype)withmeasuringrangesof15mm,30mm,50mm,aresolutionof0.1um,anaccuracyof±1um,andacompactsize.
Electronic Micrometer: Various 1~32 channel models (e.g., ML-CP, ML-MP, ML-LP, ML-16PT, ML-40PT) capable of measuring height, thickness, inner/outer diameter, flatness, and runout. Features include various calculation modes, Statistical Process Control (SPC) functions, and high resolution.ElectronicMicrometer:Various1~32channelmodels(e.g.,ML-CP,ML-MP,ML-LP,ML-16PT,ML-40PT)capableofmeasuringheight,thickness,inner/outerdiameter,flatness,andrunout.Featuresincludevariouscalculationmodes,StatisticalProcessControl(SPC)functions,andhighresolution.
Air Type Electronic Micrometers: Easy result viewing with 3-color LED and color LCD, various measuring modes and histogram functions, high resolution, RS232c communication, and I/O interface support.AirTypeElectronicMicrometers:Easyresultviewingwith3-colorLEDandcolorLCD,variousmeasuringmodesandhistogramfunctions,highresolution,RS232ccommunication,andI/Ointerfacesupport.
Wireless Mechanical Bore Gauge & Bluetooth Access Point development and production.WirelessMechanicalBoreGauge&BluetoothAccessPointdevelopmentandproduction.
2-Axis Electronic Digital Inclinometers development and production.2-AxisElectronicDigitalInclinometersdevelopmentandproduction.
Proprietary SPC program for establishing a data-driven precision process control system.ProprietarySPCprogramforestablishingadata-drivenprecisionprocesscontrolsystem.
Core AdvantagesCoreAdvantages
Over 20 years of proven reliability and high resolution for major domestic clients such as Samsung Electronics, LG Electronics, Hyundai Motor, and Kia Motors.Over20yearsofprovenreliabilityandhighresolutionformajordomesticclientssuchasSamsungElectronics,LGElectronics,HyundaiMotor,andKiaMotors.
Possession of ultra-precision measurement technology capable of measuring at micrometer units (1um=0.001m).Possessionofultra-precisionmeasurementtechnologycapableofmeasuringatmicrometerunits(1um=0.001m).
Provision of optimized solutions for customer environments based on nearly 30 years of accumulated skilled technology and know-how since 1999.Provisionofoptimizedsolutionsforcustomerenvironmentsbasedonnearly30yearsofaccumulatedskilledtechnologyandknow-howsince1999.
Technological strength in enhancing the speed and accuracy of full inspection at mass production sites using LVDT sensors.TechnologicalstrengthinenhancingthespeedandaccuracyoffullinspectionatmassproductionsitesusingLVDTsensors.
A dedicated engineer system allowing for close and accurate support from equipment manufacturing to modification and after-sales service without outsourcing.Adedicatedengineersystemallowingforcloseandaccuratesupportfromequipmentmanufacturingtomodificationandafter-salesservicewithoutoutsourcing.
Offering customized inspection equipment solutions tailored to manufactured products, addressing specific customer requirements.Offeringcustomizedinspectionequipmentsolutionstailoredtomanufacturedproducts,addressingspecificcustomerrequirements.
LVDT sensor technology boasting excellent durability and high-precision measurement performance.LVDTsensortechnologyboastingexcellentdurabilityandhigh-precisionmeasurementperformance.
Capability to implement precise process control based on data through its self-developed SPC program.Capabilitytoimplementpreciseprocesscontrolbasedondatathroughitsself-developedSPCprogram.
Target IndustrieTargetIndustrie
Electronics manufacturing industry: Production lines of major electronics companies such as Samsung Electronics, Samsung Electro-Mechanics, Samsung SDI, LG Electronics, LG Chem, SK Hynix, and SK On.Electronicsmanufacturingindustry:ProductionlinesofmajorelectronicscompaniessuchasSamsungElectronics,SamsungElectro-Mechanics,SamsungSDI,LGElectronics,LGChem,SKHynix,andSKOn.
Automotive parts manufacturing industry: Production lines and suppliers of major automotive companies including Hyundai Motor, Hyundai Mobis, and Kia Motor.Automotivepartsmanufacturingindustry:ProductionlinesandsuppliersofmajorautomotivecompaniesincludingHyundaiMotor,HyundaiMobis,andKiaMotor.
Semiconductor industry: Application of precision measurement and inspection equipment.Semiconductorindustry:Applicationofprecisionmeasurementandinspectionequipment.
Precision machining industry: Application of precision measurement technology to accurately detect minute defects and errors.Precisionmachiningindustry:Applicationofprecisionmeasurementtechnologytoaccuratelydetectminutedefectsanderrors.
General precision measurement field: Providing precision measurement solutions across various industrial sectors.Generalprecisionmeasurementfield:Providingprecisionmeasurementsolutionsacrossvariousindustrialsectors.
Major MarketsMajorMarkets
China, India, Japan, VietnamChina,India,Japan,Vietnam
EuropeEurope
United StatesUnitedStates
Certifications/PatentsCertifications/Patents
Acquisition of Venture Business Certification (2008).AcquisitionofVentureBusinessCertification(2008).
Establishment of a Corporate Research Institute (2009).EstablishmentofaCorporateResearchInstitute(2009).
Selection as INNO-BIZ (2012).SelectionasINNO-BIZ(2012).
History of participating in national projects (2014).Historyofparticipatinginnationalprojects(2014).
Possession of technological competitiveness through long-standing technological accumulation and know-how in the precision measurement field.Possessionoftechnologicalcompetitivenessthroughlong-standingtechnologicalaccumulationandknow-howintheprecisionmeasurementfield.
Introduction
Location
47 Cheonggye-ro 49beon-gil, Baegam-myeon, Cheoin-gu, Yongin-si, Gyeonggi-do, South Korea
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Information
47 Cheonggye-ro 49beon-gil, Baegam-myeon, Cheoin-gu, Yongin-si, Gyeonggi-do, South Korea