History & Major Business Achievements
1991
Established Kyeongwon Engineering (Gocheok-dong, Guro-gu, Seoul) / Signed Korean agency agreement with Sensorex (USA)
1993-1997
Developed pH & ORP Meters / Signed Korean agency agreement with KEI (USA) / Developed residual chlorine controllers and dissolved oxygen meters / Began production of conductivity meters and conductivity electrodes
1999-2000
Conducted emergency water inspection in Seoul in cooperation with Korea Rural Community Corporation / Developed conductivity electrodes
2001
Jointly developed rock-type conductivity electrodes and measuring instruments with Korea Rural Community Corporation
2002
Developed Saemangeum unmanned water treatment equipment (pH, DO, COD, Temp, conductivity meters) / Developed program-type pH meters
2005-2006
Developed MLSS meters / Developed portable on-site measuring devices (pH, ORP, DO, Temp, MLSS) / Developed program-type residual chlorine controllers
2007-2009
Developed high-concentration chlorine meters with Rural Development Administration / Developed conductivity meters with RS-485 communication / Acquired factory registration certificate
2014
Developed conductivity electrodes (Cell constant 1.0, Temp 1k type)
2016-2019
Produced residual chlorine on-site commissioning and calibration equipment / Obtained certification as an R&D department / Developed 1-mount holder for residual chlorine
2020-2023
Developed DC 12V battery-type chemical leakage detector / Developed salinity sensor (for measuring salt concentration in cement mixtures) / Developed wireless system
2024
Expanded operations and relocated production line (Ace Camp, Guro-gu, Seoul)
2025
Developed high-concentration residual chlorine meter (max. 100 mg/L)



















