1988.01 : Established CHANGMIN TECHNOLOGY
1993.10 : Established Annex R&D Institute
1995.11 : Developed High Precision Sonic Level Meter
1996.03 : Certified "New Technology" Mark (Level Meter)
1997.04 : Developed Multi-Path Ultrasonic Flowmeter
1997.07 : Awarded "Prize of Ministry of Trading&Industry"
1997.12 : Changed to CHANGMIN TECH CO., LTD.
1998.09 : Certified "New Technology" Mark (Flowmeter)
1998.10 : Awarded "Prize of President" for Superior Technology Development
1999.03 : Certified "Excellent Products" from Supply Administration
1999.12 : Certified ISO 9001 (Det Norske Veritas B. V.)
2000.02 : Appointed as Excellent Technology company from Small & Medium
BusinessAdministration
2000.03 : Established a Branch Office in Vietnam
2000.07 : Registered at KOSDAQ
2001.03 : Established Branch Offices in ShangHai & ShenYang, China
2001.08 : CE Approved
2001.08 : EM Mark acquired
2001.10: Have acquired 35 International Patens
2003.01: Established a Branch Office in US