국일인토트

ISO 9001-2015

ISO 14001-2015

ISO 45001-2018

IR52 Jang Young-sil Award

KHNP qualified company registration certificate (Class A)

Certificate for standards of private sectors

Certificate for standards of excellent private sectors

Certificate of Inno-Biz

Certificate for Packing maintenance qualified company

Certificate for Gasket maintenance qualified company

PED MM

SRK-036-20_L035-20

Certificate of designating as a Global IP Star Company

Certificate of affiliated research institute in KUKIL