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- 2013. 05Transfer business of construction material division
(the exterior insulation system), Hyosung Corp
- 2012. 12Astex, acquired the certificate of Low carbon emission
- 2012. 10Low thickness Isopink board, acquired KS certificate
(the first in the industry)
- 2011. 03Mineral wool JIS A 9504 (artificial mineral textile lags)
– a certificate acquired
- 2011. 01Glass wool JIS A 9521 (housing artificial mineral insulator)
– a certificate acquired
- 2011. 01Glass wool JIS A 9504 (artificial mineral textile lags)
– a certificate acquired
- 2010. 08Selected as an outstanding business for reducing industry wastes
- 2009. 07Merger between Byucksan paint and Sinkwang paint Industry
- 2008. 04(Co) Haatz M&A
- 2007. 08Acquire Sinkwang paint Industry
- 2006. 01HB/Environmental Low thickness Isopink board
- 2003. 01Conducted the 'buisiness innovation activities based on
Six Sigma principles' for making a strong company
- 2002. 11The President’s Award in Company Innovation Grand Prize
- 2000. 11The industry medal of the steel tower
- 1998. 10Established a strategic alliance with Lafarge (France) :
Yeosu Plant (Gypsum board) Applied for the workout program
- 1996. 12(Interior materials) Built the Iksan factory (Interior materials)
- 1990. 12Yeongdong Plant Completed (Mineral Wool)
- 1986. 07Merged Dongyang Fiberglass Co.,Ltd
- 1985. 12Yeocheon Plant completed (Gypsum Board)
- 1984. 04Completed the Busan factory (Interior materials)
- 1983. 02Renamed as Byunksan Corporation
- 1981. 02Jeongnam Plant completed (Isopink)
- 1977. 04Gypsum boards produced and distributed for the first time
- 1972. 01The nation’s first listed company on Korea Stock Exchange
- 1970. 04Daejeon Plant completed (Interior materials)
- 1958. 11Founded Korea Slate Ind.,Co.,Ltd.