1987.3       Establishment of Daewoo Bolt Enterprise (#610-8 Guro-dong, Guro-gu, Seoul) 1994.4       Expansion of facilities and transfer (# 594-1 Bulro-ri, Geomdan-myeon,       Kimpo-gun, Gyeonggi-do) - 6,000 tons per annum       New installation of anchor bolt manufacturing facility - 1,000 tons/yr 1996.4       Expansion of facilities and transfer (#223-287 Seoknam-dong, Seo-gu,      Incheon Metropolitan City)- 10,000 tons/yr      Expansion of anchor bolt and ROD BAR manufacturing facility - 2,000 tons/yr 1997.6      Acquisition of KS A 9002/IOS 9002 Quality System Certification 1997.9      Conversion of the company into a corporation, Daewoo Bolt Co., Ltd. 1998.11       Acquisition of KS B 1002 hexagonal bolt mark License and Certification 1999.6      Expansion of anchor bolt and mass-produced bolt manufacturing      facility - 4,000 tons per annum 2000.6       Manufacturing and supply of high-strength flange bolt for 756KV       power transmission steel tower 2001.3      Expansion of nut manufacturing facility - 2,400 tons per annum 2002.6       Acquisition of KS B 1012 hexagonal nut mark License and Certification       Acquisition of KS B 1016 foundation bolt mark License and Certification       Acquisition of KS B 1062 welding stud bolt mark License and Certification 2002.7      Acquisition of KS A 9001/ISO 9001 Certification 2004.1       New construction of and transfer to Dangjin Factory       (#703-9 Geosan-ri, Shinpyeong-myeon, Dangjin-gun - 6,800 pyeong) 2004.6       KS B 1010 high-tensile bolt for friction adhesion mark License and Certification 2004.7       Expansion of facility for parts former (580SS) - 16,800 tons per annum       Total annual quantity of bolt, nut and anchor bolt production - 33,200 tons 2005.12       Expansion of continuous thermal processing furnace - 3,000 tons per annum 2007.10       Expansion of facility for bolt former (460SSL) - 18,000 tons per annum       Total annual quantity of bolt, nut and anchor bolt production - 51,200 tons