1998. 08  Established Ace Instrument Co., Ltd.

 2002. 05  Authentication of ISO-9001 quality certification system

 2005. 03  Excellent enterprise selection of quality
                          competitiveness, Korea

 2010. 02  Established R & D institution.

 2011. 02  Authentication of ISO-14001
                          environmental management.

 2011. 03  Authentication of CE.

 2018. 10  5 certifications (KTC)
                          Load cell,Piezometer, displacement sensor,
                          Inclinometer, Strain gages.