1980. 10. 1 Founded in 207-5 Noryangjin 1 dong, Dongjakgoo, Seoul
1980. 11. 1 First in Korea to produce a thermal protector (ST-1) for hair dryers
1999. 8. 20 Obtained UL, cUL certification for a thermal protector (ST-12)
1999. 10. 1 Reconverted to a corporation
1999. 11. 10 Obtained VDE certification for a thermal protector (ST-12)
2005. 03. 3 Received a 'Commissioner of the National Tax Service' Award for being an outstanding taxpayer on the 39th Day of Taxpayer
2005. 08. 8 Obtained ISO 14001 Environmental Management System Certification
2005. 11. 30 Received a '3 Million Dollar Tower of Export' Presidential Award on the 42nd Day of Trade