- 1990
- - Sungsil Elec. Co.,LTD. established (Sep.1)
- 1991
- - Precision resistor (accuracy 0.01%) launched
- 1993
- - Slot type RTD used for large motors launched
- 1994
- - High power slim type resistor launched Acquisition of patent for resistor (No 157721)
- 1995
- - Stator winding RTD used for generators of power plant launched
- 1996
- - Aluminum housed resistor launched Acquisition of patent for resistor(No 186165)
- 1997
- - Selected as prospective medium industry firm by Korea administration
- 1998
- - Selected as high technology industry firm by Korea administration Ceramic printed resistor (UHR type),
high voltage resistor (HVR type) launched
- 1999
- - Converted into Corporation (Sungsil Electronics Co., Ltd.)
- - Selected as a development firm for bulk ceramic resistors by the Korea administration
- 2000
- - Bulk Ceramic Resistor launched
- - ISO 9001 certification acquired (ICL Korea)
- - Stator Winding RTD UL approved (FX Type)
- 2001
- - ISO 9001 (ICL Korea) acquired
- - Bulk ceramic resistor launched
- - UL approval for stator winding RTD(FX type)
- 2002
- - Designated as a prospective exporting medium industry firm
- 2003
- - Patent for high voltage electric discharge resistor and its manufacturing method acknowledged
(No 0370610) - Commissioner of Korean Intellectual Property Office - - Became a member company of the Korea Institute of Ceramic Engineering and Technology
- - Head office and factory relocated to Shihwa Industrial Complex
- 2004
- - CLEAN workplace certificate acquired - Labor Minister
- 2005
- - Acquired the membership of the Korea Measuring Instruments Research Association
- - Company-affiliated research center established
- - Venture business re-certified
- - Designated as an industry family firm - Gyeonggi SMB Support Cente
- - Patent for thick film metal plate resistor and its manufacturing method certified
(No 0516859) - Commissioner of Korean Intellectual Property Office
- 2006
- - BV classification certificate acquired BUREAU VERITAS
- 2007
- - Moved to new Factor(Hwaseong lndustrial Comples)
- 2008
- - Acquisition the CE MARK of Kapton & Epoxy Heater
- - issued by VDE Globak Services Gmbh
- 2009
- - R & D Center Acquisition - Pre / 3rd Gasan 303 Ace High-End
- - Fixed explosion-proof certified temperature sensor (FX Type)
- 2010
- - Factory Registration Application - Approval (Mars Market)
- - New product development: development with Samsung 3D TV heaters /
Hyundai Heavy Industries Co., Ltd. - Explosion-proof bushing development
- 2010
- - Small family business innovation (INNO-BIZ) selected
- - Mica heater for the production of large-vacuum hydraulic press production
- 2011
- - ISO 14001 certification - Acquisition (ICL Korea)
- - Explosion-proof bushing - British bar separation-explosion-proof certification
- 2012
- - Stator Winding RTD (FX155 Type) - Explosion-proof Certification
- - Localized Ribbon Heater / RTD Sensors - Silicon Cotting method development
- 2015
- - Moved in the Sihwa MTV(Multi Techno Valley) with New Headquarter Office & Factory.
- 2016
- - GE POWER Certified supplier
