KOREAN STANDARD CERTIFICATION -
ELECTRICAL INSULATING OIL

KOREAN STANDARD CERTIFICATION -
MACHINE OIL

KOREAN STANDARD CERTIFICATION -
HYDRAULIC OIL

KOREAN STANDARD CERTIFICATION -
PROCESS OIL

ISO 9001

ISO 14001

PATENT FOR NATURAL ESTER -
KOREA

PATENT FOR NATURAL ESTER -
JAPAN

PATENT FOR NATURAL ESTER -
CHINA

PATENT FOR NATRUAL ESTER -
HONGKONG

UL CERTIFICATE FOR
BIOTRAN-35(EOUV)

UL CERTIFICATE FOR
BIOTRAN-35(EOVK)

MR CERTIFICATE FOR
BIOTRAN-35

FM CERTIFICATE FOR
BIOTRAN-35

UL CERTIFICATE FOR
BIOTRAN-35S(EOUV)

UL CERTIFICATE FOR
BIOTRAN-35S(EOVK)

FM CERTIFICATE FOR
BIOTRAN-35S