History
- 1985 The company starts with 16 employees and 3m NT$ capital. Main product are electronic ballasts.
- 1987 OEM business for Philips starts.
- 1991 New plant in Gushan starts operation.
- 1994 First UL (US) and CUL (Canada) certificates.
- 1996 Digital electronic ballast designed and company moved to new location.
- 1998 ISO 9002 certified, first corkscrew bulbs.
- 2001 First CNS certificate.
- 2002 S-JET and ISO 9001 certified.
- 2003 40W corkscrew bulb manufacture starts.
- 2005 80W corkscrew bulbs are manufactured.
- 2006 Full T3 sortiment added.
- 2007 12/24V DC CFLs added.
- 2008 T2 taken into sortiment, continuously dimmable CFLs developed.
- 2009 115W is now Yuehsin's most powerful CFL.
- 2010 Development of LED bulbs started.
