1986.03 Established
<br/>1986.07 Authorized production of Noise filters by Korean Ministry of Commerce and Industry.
<br/>1987.03 UL, CSA, VDE, TUV,SEMCOapproved for EMI/EMC Noise Filter
<br/>1991.11 Designated as a Meritorious Company by Korean Ministry of Commerce and Industry.
<br/>1992.02 China WeihaiDong iltechnology established
<br/>1997.07 Listed on KOSDAQ.(32960)
<br/>1998.07 KS A9001/ ISO9001Certified
<br/>1998.11 Ceramic business launched.
<br/>1999.10 Won a grand prize in electronic part contest by Korean Ministry of Commerce and Industry
<br/>2003.10 QS9000Certified
<br/>2008.04 ISO/TS16949Certified.
<br/>2008.10 KGMP Certified(Ultrasonic Scaler, Piezo-Surgery)
<br/>2009.01 Obtained CE Certification(Medical Devices)
<br/>2009.04 ISO 13485 Certified(SGS)
<br/>2009.12 Made Annual Avenue US$52milion