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ISO 9001/2008

ISO is international standard about quality management system which is established by ISO(international standard organization )

ISO 14001/2004

Environment management system certification

Korean (Industrial) Standards (KS)

SPEC STANDARD NO. TYPE, GRADE
HIGH ALUMINA AND FIRE CLAY CASTABLE REFRACTORIES KS L 3511 1category, 2category, 3category, 4category
LIGHT WEIGHT CASTABLE REFRACTORIES KS L 3521 B Type 4Category