2003.11	ISO/TS 16949
2003.10	Korea Standard Grand Award(Cutting oils for two years on end)
2002.11	Quality Management Award
2002.10	ISO 14001
2000.08	QS 9000
2000.05	Excellent corporation in productivity improvement
1999.08	Excellent 50 corporation certificate in quality competitiveness
1997.06	Korea Standard Grand AwardISO 14001
1994.08	ISO 9001
1986.08	KS certificate ( Yangsan plant )
1984.10	KS certificate ( Si Hwa plant )

2001.04	A certificate of authentication of new and old labor culture
2000.06	Confirmation document of venture corporation    (Excellent corporation for technology evaluation)
1999.01	Written confirmation document for Excellent corporation    in the technology competitiveness field.
1998.12	Confirmation document of Venture corporations    (Development of the patent technology)
1997.03	A certificate of authentication    (Promising small and medium sized firms in Kyonggi province) selected as the excellent corporation for the new culture

2001.12	A certificate of commendation of industrial cooperation
2001.03	A certificate of commendation of industrial development
2000.05	A certificate of commendation in the field of information
1999.11	A certificate of commendation of national economy contribution
1998.05	A certificate of commendation of small business corporation