Dec/2010   Established R&D department
Dec/2008   Developed ultra-high voltage circuit breaker for LSIS-362KV 50KA
NOV/2008  Developed ultra-high voltage circuit breaker for Dongnam-170KV 50KA
JUN/2008   Developed ultra-high voltage circuit breaker for Hyosung new type-420/550/800KV
OCT/2007  Developed ultra-high voltage circuit breaker for Hyosung new type-145KV 40KA spring type
OCT/2007  Developed ultra-high voltage circuit breaker for LSIS (Puffer assisted self-blast beaker-170KV)
DEC/2004  Developed ultra-high voltage circuit breaker for Hyosung new type-170/200/245/300KV 50KA
OCT/2004  Began to export ultra-high voltage circuit breaker to the U.S.
NOV/2004  Selected as a venture company by Small and Medium Business Administration, Gyeonggi-do
OCT/2002  Separated low voltage parts business division into Youngjin Techmetal
MAR/2002  Developed 1 breaking point GIS for LSIS-362KV 63KA 8000A
JUN/2001  Moved to a new factory - Bibongmyeon Yangno-ri 67303, Hwaseongsi, Gyeonggi-do
JAN/2000  Selected as a promising small and medium business by the Korea Electro-technology Research Institute
JUN/1996  Developed ultra-high voltage circuit breaker for LSIS - GIS/GCB 362KV 40KA
DEC/1999  Incorporated-Youngjin Metal Co., Ltd.
OCT/1998  Developed Ag-CU ion electrode (electrode for waste water purification)
MAR/1996  Developed ultra-high voltage circuit breaker for Hyosung (registered)-GIS/GCB 170KV 50KA
MAY/1994  Developed aging brush/Developed fixed contact for air blocking in Choongju Dam
FEB/1993   Localized high voltage electric contact point-Cu-W & Ag-W (20%:80%)
MAY/1990  Founded Youngjin Metal