1989
establish
1997
Awarded as an excellent
supplier of Philips
1998
ISO9001 Management
system approval
2000
Become a partner of Thomson
earphone speaker box
2002
Obtain patent certificate
of ear drum No. 10 / 283086
2003
Become Sony global green partner
2007
ISO14001 management
system approval
2008
Become a global partner of
Brookstone and Logitech headset
2009
Become a global partner of Shure earphones
2013
MFI authorized manufacturer