1999 Nov. Establishment of Samhung System
1999 Nov. Development of electronic controller switchgear for road lighting (SH-800)

2000 Apr. Development of Photoelectric Controller for Public Lighting (Sh-500E)
2000 Oct. Appointed as a housing company in the Youngjin Business Incubating Center
2000 Nov. Membership in the Korea Illuminating industry cooperative

2001 June. Gained Utility model No. 0235542
2001 June. Gained Utility model No. 0237509
2001 July. Development of electronic controller for public lighting (SH-600)
2001 Sep. Registration of Utility model No. 0246852

2002 Oct. Registration of factory
2002 Nov. Gained Q mark
2002 Dec. Authentication of ISO 9001

2003 Mar. Appointed as innovative technology company
2003 Dec. Development of infrared remote controller for public lighting (SH-600IR

2004 Jan. Appointed as a major exporting company
2004 May. Development of GPS Controller switchgear for road lighting (SH-1000)