ISO9001

ISO 9001 certificate was acquired from SGS-ICS in November,1993 and for all business units of the company.

ISO14001

ISO 14001 certificate was acquired from SGS-ICS in February, 2001 for Anyang and Siheung Plants.

TL-9000

TL-9000 certificates were acquired from SGS-ICS and KQL in December and November, 2004 on design and manufacture of communication & optical fiber cable in Anyang Plant.