1986
 Sungkwang Metal established
  Manual mold developed
 
1990
 Entered supply agreement with Yupoong Inc
1995 Entered supply agreement with Sungjin Trade
 
2000
 Entered supply agreement with Dada Co., Ltd
2001 Utility model patent for hat automatic iron registered
(No. 0255998)
  Visor automatic steam mold developed
2002 Utility model patent for hat cooling iron registered
(No. 0289198)
2003 Low temperature steam mold for spandex material developed
  Utility model patent for hat iron registered (No. 0302218)
2006 Developed mobile mold machine