1990.02 Started diamond tools manufacturing company.     1993.03 Moved / extended to Mapo district in Seoul.     1994.05 Boosted facilities for exporting relative tools.     1994.09 Virgin export to advanced countries USA, GERMANY, FRANCE, ENGLAND and ITALY.     1996.11    Affiliated Korea Tools Industry Cooperation.     1997.01   Advanced to stock investment sole named of Dongshin Diamond Industrial Co., Ltd.     1997.12   Newly moved / extended to current address.     1998.03   Enlisted brand DIASAW and character as patent and exported with them.     1999.02 Acquired das the certificated from GERMANY.     1999.03~05 Participated in Stone Fair held in ITALY, GERMANY.     1999.09 Boosted production lines for serving laser welded blade.     2000.04 Selected bright prospect medium company by Kookmin bank.     2000.05~10 Participated in Stone Fair held in UK, SPAIN, FRANCE.     2003.04 Acquired utility model registration NO.0312626 & NO.0312327.     2003.07 Selected bright prospect medium size company by KSBC.     2003.11 Acquired patent NO.0407196.     2003.12 Acquired patent NO.0414181.     2004.02 Participated in World of Concrete in USA.     2004.04 Acquired ISO 9001,14001 certification.     2004.05 Participated in Piedra in SPAIN.     2004.08 Selected bright prospect medium size company by Kyounggi-do. Assigned as a member of industrial family cluster.     2004.10 Participated in 39th Marmomacc in ITALY.     2004.10 Acquired utility model registration NO.0366567.     2005.01 Participated in World of Concrete in USA.     2005.01 Acquired patent NO.0466692.     2005.02 Acquired utility model registration NO.0383869.     2005.05 Participated in Stone+tec in GERMANY.     2005.08 Acquired patent NO.2005-78568     2005.10 Participated in 40th Marmomacc in ITALY.     2006.01 Participated in World of Concrete in USA.