What Uisys does

Uisys (UISYS Co., Ltd.) is a South Korean industrial equipment manufacturer founded in 2001 and incorporated as a legal firm in 2006, headquartered in Cheonan, Chungcheongnam-do. The company designs, manufactures, and sells temperature profiling and process monitoring systems for SMT (Surface Mount Technology) and IMT (Interconnect Manufacturing Technology) soldering processes used in electronics manufacturing. Its core product portfolio is organized into eight groups: Real-Time Profiling (UI-501S/D, UI-510 with up to 32-channel thermocouple support and remote network monitoring), Reflow and Wave/Selective Checkers (UI-351 series, UI-354), Conveyor Width/Vibration Measurement (UI-WVT, UI-WVT-R1), O2 Analyzers (UI-O210KTV, UI-O21KTV using zirconia sensors), In-Line High-Temperature Cameras (UI-HiCAM with HD video capture), and Process Monitoring Systems (UI-L01 line monitoring, UI-EMS grounding, UI-SMS surge monitoring, UI-SSM solder-iron state). The technology stack relies on K-type thermocouples, proximity/photo sensors, and zirconia-based oxygen sensors rather than AI/ML. Uisys is described by its CEO as the largest supplier in Korea for IMT and SMT temperature profiles.

Uisys generates revenue primarily through one-time capital equipment sales (hardware systems), supplemented by recurring replacement-parts revenue from batteries, chargers, thermocouples, and sheath sensors. Pricing is not publicly disclosed; quotations are handled directly through dedicated domestic and overseas marketing personnel. The go-to-market is enterprise B2B with field sales teams split between Korea (Cheonan HQ) and a separate operations facility in Anseong-si (CS, A/S, and Production), plus an international channel partner network of 11 distributors covering Japan, EU, China, Hungary, India, Taiwan, Vietnam, Singapore, Malaysia, USA, and Turkey. No external funding has been disclosed and the company appears to be founder-owned and operated under CEO Jung JungKeun, who has led the organization since its research origins in 2001. Certifications include CE marking for multiple product lines, ISO 9001:2008 (November 2013), INNOBIZ SME (April 2015), Korean Venture Company status (September 2009), Exclusive R&D Department recognition (October 2013), Prospective Export SME designation (December 2016), and a patent for an oxygen measurement device (December 2011).

Name

Uisys

Legal name

UISYS Co., Ltd.

Website

https://uisys.co.kr

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

1–10 employees

Short description

Uisys is a Korean industrial equipment manufacturer specializing in temperature profiling and process monitoring systems for SMT and IMT soldering in electronics manufacturing, serving as the largest domestic supplier in Korea.

Ownership category

akta.pro rank

Product category

Electronics Manufacturing Test & Measurement Equipment

NAICS

Other Measuring and Controlling Device Manufacturing (334519), Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513)

SIC

Laboratory Analytical Instruments (3826)

akta.pro primary industry

Thermal Management Components (Heat sinks, TIMs, fans/blowers, thermal pads) (IMAGAJAL)

Keywords

• Soldering temperature profiling
• SMT process monitoring
• Reflow checker systems
• Wave soldering measurement
• Electronics manufacturing equipment

Headquarters

HQ city

Cheonan

HQ country

South Korea

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain, Infrastructure

Revenue model

1. Industrial Temperature Profiling Equipment Sales: Sale of hardware systems including reflow checkers, wave checkers, selective checkers, conveyor measurement devices, O2 analyzers, in-line cameras, and monitoring systems. Products appear to be sold as one-time capital equipment purchases with associated consumable parts (thermocouples, batteries, sensors) and support services.
2. Replacement Parts and Accessories: Sales of replacement batteries (various models), chargers, thermocouples (glass fiber, teflon types), and sheath sensors for solder temperature measurement.
3. Technical Support and After-Sales Services: Customer support, A/S (after-sales service), and technical support provided through dedicated personnel. Software and operational support documentation provided through support info pages.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Uisys designs, manufactures, and sells industrial temperature profiling and process monitoring equipment for electronics soldering manufacturing. Its product lines include real-time temperature profiling systems for reflow, wave, and selective soldering, O2 analyzers, high-temperature in-line cameras, and worker/equipment safety monitoring systems (grounding, surge, solder-iron state). Products are sold primarily as one-time capital equipment purchases to electronics manufacturers and EMS providers, with consumable replacement parts (thermocouples, batteries, sensors) and technical support generating additional revenue.

Product overview

Uisys is a Korean industrial technology company specializing in temperature profiling and monitoring systems for soldering and manufacturing processes. The product portfolio is organized into distinct groups: Real Time Group (UI-501S/D, UI-510) provides continuous temperature profile monitoring for reflow and wave processes; Reflow Group covers reflow soldering temperature profiling; Wave Group (UI-351A6, UI-351C, UI-351A/F) handles wave soldering measurement; Selective Group (UI-354) addresses selective soldering; Conveyor Group (UI-WVT-R1, UI-WVT) manages width and vibration measurement; O2 Analyzer Group (UI-O210KTV, UI-O21KTV) measures oxygen concentration; In-line Camera (UI-HiCAM) provides visual process monitoring; and Monitoring Group (UI-L01, UI-EMS, UI-EMS-L, UI-SMS, UI-SSM) offers line, grounding, surge, and solder-iron monitoring systems. The portfolio is complemented by accessory products including rechargeable batteries, chargers, thermocouples, and sheath sensors. Uisys positions itself as Korea's largest supplier of SMT/IMT temperature profiling solutions, serving electronics manufacturing with industrial measurement and process control products.

Differentiator

Problem solved

Functional benefit

Brands

• UI-EMS: EarthRing Monitoring System for managing worker grounding connection conditions
• UI-SMS
• UI-SSM
• UI-L01

Products and services

• UI-501S/D Real-time temperature profile system (RTTPS) for reflow processes with up to 32-channel temperature sensor support; uses proximity and photo sensors to measure conveyor speed and detect PCBs, and judges temperature changes as normal or abnormal in real time. Designed for SMT/IMT production lines in electronics manufacturing.
• UI-510 Real-time temperature profile system for wave soldering machines with automatic profiling, built-in fire detection sensors, and network remote monitoring capability. Targets large-scale electronics manufacturing facilities requiring continuous process supervision and fire prevention.
• UI-351A6 / UI-351C Wave Checker Wave checker instruments for wave soldering processes supporting up to 6 channels; measure dip time by depth, left/right balance, and solder/preheat temperatures. Used by electronics manufacturers to profile wave soldering machines.
• UI-351A/F Wave Checker Customized-size wave checker with adjustable dimensions (95mm fixed, from 125mm) compatible with multiple ZIGs for wave soldering temperature profiling.
• UI-354 Selective Wave Checker Selective wave checker supporting up to 6 channels for selective soldering processes with dip-time measurement by depth and balanced side analysis. Targets selective soldering operations in PCB assembly.
• UI-WVT-R1 Reflow Width Checker with Vibration Reflow width checker integrated with vibration measurement across X, Y, and Z axes; capable of measuring under normal operating temperature conditions. Designed for conveyor systems in reflow soldering lines.
• UI-WVT Wave Width Checker Wave width checker with LCD display for quick measurement data verification during wave soldering processes.
• UI-O210KTV In-Line O2 + Temperature + Vibration Analyzer Combined inline analyzer measuring oxygen concentration (100ppm–10,000ppm), temperature, and vibration in soldering processes using zirconia sensor technology. Targeted at nitrogen-filled reflow soldering operations.
• UI-O21KTV Precision In-Line O2 Analyzer Precision in-line O2 analyzer for refined oxygen measurement covering 10ppm–1,000ppm using zirconia sensor technology. Companion product to the UI-O210KTV for applications requiring higher-precision low-O2 monitoring.
• UI-HiCAM Reflow Inline Camera System High-temperature in-line camera system with 3-channel temperature measurement and vibration sensor; features close-up and wide-angle modules with HD video capture (1280x760) and separable memory card storage. Targets visual process monitoring in reflow soldering.
• UI-L01 Line Monitoring System Line monitoring system for managing training curriculum completion and worker certification by process, ensuring only qualified personnel operate specific processes.
• UI-EMS EarthRing Monitoring System EarthRing monitoring system that controls and visualizes worker grounding connection conditions within production processes; provides statistical functions by interval, worker, and time units. Addresses worker safety in electronics manufacturing environments.
• UI-EMS-L Wired EarthRing Monitoring System Wired variant of the EarthRing monitoring system for section-by-section production line grounding monitoring with visualization and statistics functions.
• UI-SMS Surge Monitoring System Surge monitoring system that manages equipment grounding protection with visualized grounding status by equipment and position. Targets equipment safety in SMT production environments.
• UI-SSM Solder-Iron State Monitoring System Solder-iron state monitoring system with central monitoring capability for individual temperature control across multiple networked soldering stations. Targets hand-soldering operations in PCB assembly.
• UI-301A6V Vibration Reflow Checker Reflow checker with integrated vibration measurement, extending the standard reflow temperature profiling capability with mechanical vibration sensing for reflow soldering processes.
• Reflow Checker (UI-301 series) Original reflow checker product line for temperature profiling in reflow soldering processes; CE certified (models 301, 302, 351) in July 2008.
• Rechargeable Battery Pack Replacement rechargeable battery packs for various Uisys profiler models including UI-301A6V, UI-301A6, UI-301A, UI-351A, UI-O210KA, UI-O210KTV, UI-301A10, and UI-HiCAM. Consumable accessory for capital equipment.
• Battery Charger Dedicated battery chargers for UI-301A, UI-351A (AC100-240V), and UI-O210KA/O210KTV (AC 220V specific) models.
• Thermocouple Sensors K-type thermocouple sensors in glass fiber (0.2mm/32AWG, 0.127mm/36AWG, 0.254mm/30AWG) and teflon (0.127mm/36AWG, 0.254mm/30AWG) materials for solder temperature measurement across the Uisys product range.
• Sheath Sensor SUS304 sheath sensor for solder temperature measurement, compatible with UI-301A6V and UI-301A6 models; 1mm diameter K-type sensor rated 0-400°C.

Quantifiable outcome

• Productivity increase through real-time monitoring
• +2 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eleven partnerships are on record, tiered minor.

• Japan - Bonkote (Link to bonkote.co.jp)minorChannel Partner/ Reseller/ DistributorJapanese distribution partner represented in the International Partnership section with a direct link to Bonkote's website.
• EU - Thermal-Profiling.eu (Link to thermal-profiling.eu)minorChannel Partner/ Reseller/ DistributorEuropean Union market partner with dedicated website for temperature profiling solutions.
• China - JMT (Link to jmt.net.cn)minorChannel Partner/ Reseller/ DistributorChinese market partner with international English website.
• HungaryminorChannel Partner/ Reseller/ DistributorHungary market partner with logo displayed on International Partnership page.
• IndiaminorChannel Partner/ Reseller/ DistributorIndian market partner with logo displayed on International Partnership page.
• TaiwanminorChannel Partner/ Reseller/ DistributorTaiwan market partner with logo displayed on International Partnership page.
• VietnamminorChannel Partner/ Reseller/ DistributorVietnam market partner with logo displayed on International Partnership page.
• Singapore, MalaysiaminorChannel Partner/ Reseller/ DistributorSoutheast Asian market partner covering Singapore and Malaysia regions.
• United States of AmericaminorChannel Partner/ Reseller/ DistributorUS market partner with multiple logos displayed indicating potentially multiple distribution partners.
• Turkey - ProSMT (Logo: prosmt)minorChannel Partner/ Reseller/ DistributorTurkish market partner with logo displayed on International Partnership page.
• China - Additional PartnerminorChannel Partner/ Reseller/ DistributorSecond Chinese market partner (JMT) with English website, distinct from main China partner.

Scale indicators3 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• KIC: KIC is the established global leader in reflow and soldering temperature profiling, offering profilers and software for SMT lines. It is the most direct head-to-head competitor to Uisys's RTTPS and reflow checker products.
• ECD (Electronic Controls Design): ECD specializes in oven and reflow process monitoring, including thermal profiling tools used in PCB assembly, competing with Uisys's reflow checkers and wave machine profilers.
• SolderStar: SolderStar provides soldering process monitoring and profiling solutions for reflow, wave, and selective soldering, directly overlapping with Uisys's temperature profiling and selective checker offerings.
• Datapaq (Fluke Process Instruments): Datapaq, part of Fluke Process Instruments, offers temperature profiling systems for thermal processes including soldering and heat treatment, competing in the same temperature profiling niche as Uisys.

Broad incumbents

• Koh Young Technology: Koh Young is a Korean inspection and process control vendor serving SMT lines worldwide. It overlaps with Uisys at the same EMS customers on the process monitoring side but at much greater scale.
• Saki Corporation: Saki is a Japanese-headquartered provider of automated optical inspection and solder process inspection, addressing overlapping customer pain points (SMT quality control) but with a broader portfolio than Uisys's thermal-focused tools.
• Test Research Inc. (TRI): TRI is a Taiwanese test, inspection, and process control provider for electronics manufacturing, serving the same EMS and SMT customers as Uisys with a wider product portfolio.
• CyberOptics: CyberOptics manufactures 3D optical inspection and sensors for electronics assembly, addressing solder joint inspection and process control adjacent to Uisys's monitoring scope.
• Omron Corporation: Omron provides industrial sensors, vision systems, and automation components for SMT lines, including temperature and process sensors that compete broadly with Uisys's instrumentation portfolio.

Others

• SICK AG: SICK AG is a German manufacturer of industrial sensors and process instrumentation, including oxygen and gas analyzers that compete conceptually with Uisys's O2 analyzer line for nitrogen-filled soldering environments.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Uisys