- 1983 Oct Found stainless nonmetallic-based SAESUN WIRE
- 1994 MayComplate construction of wonju factory
- 2002 Apr Rename company name from Kwang-In Jaesun to Kwang-In Wire
- 2003 Oct Register utility model
- 2004 Mar Add thin wire and leg wire equipments
- 2005 Dec Get patent for straight wire
- 2006 Sep Get ISO 9001 approval
- 2008 Mar Obtained INNO-BIZ qualification
- 2009 Jan Designation as Venture Compan