1988. 09  (ÁÖ) ¼­¿ø ⸳
1988. 11  Ã»µ¿ À×°íÆ®(bronze ingot) »ý»ê°³½Ã
1989. 02   ¹Ý¿ù°øÀå ½ÅÃà
  °©·ù ¹«¿ª¾÷Çã°¡
1989. 09  ¹Ý¿ù°øÀå Áذø
1989. 11  È²µ¿À×°íÆ®(INGOT) »ý»ê°³½Ã
1989. 12  È²µ¿ºô·¿Æ®(BILLET) »ý»ê°³½Ã
 
1992. 11   Á¦29ȸ ¹«¿ªÀÇ ³¯ ¡°1¹é¸¸ºÒ ¼öÃâž¡± ¼ö»ó
1993. 11  ÁÖ½ÄÀå¿Ü½ÃÀå µî·Ï
1995. 08  È²µ¿À×°íÆ® KSÇ¥½Ã ȹµæ
1995. 12  ±â¾÷°ø°³
 
1996. 01   À¯°¡Áõ±Ç »óÀå
2000. 01  ¡°ÁÖ¹°¿ë Ȳµ¿ÇÕ±Ý ¹× ±× Á¦Á¶¹æ¹ý (castable brass alloy and the
 method of manufacturing the same)¡± ƯÇãµî·Ï
 2000. 12  È¯°æ¸¶Å©ÀÎÁõ ȹµæ
 
2001. 07   ISO9001, ISO14001 ÀÎÁõ ȹµæ
2002. 07  (ÁÖ) ¼­¿ø ±â¼ú¿¬±¸¼Ò ¼³¸³
2003. 07  ¡°±Ý»öÀ» À¯ÁöÇϴ Ȳµ¿ÇÕ±Ý ¹× ±× Á¦Á¶¹æ¹ý (Brass alloys which
 maintain a golden color and manufacturing method thereof)¡±
 Æ¯ÇãÃâ¿ø
2003. 08  ½½¶óºê(SLAB) »ý»ê°³½Ã
2003. 11  Á¦40ȸ ¹«¿ªÀÇ ³¯ ¡°1õ¸¸ºÒ ¼öÃâž¡± ¼ö»ó
2004. 02  ¡°¹«¿¬ Äè»è ûµ¿ÇÕ±Ý ¹× ±× Á¦Á¶¹æ¹ý (Lead-free cutting bronze
 and manufacturing method thereof)¡± ƯÇãÃâ¿ø
2004. 11  Á¦ 41ȸ ¹«¿ªÀÇ ³¯ "3õ¸¸ºÒ ¼öÃâž" ¼ö»ó
2005. 04  ºÎǰ¼ÒÀçÀü¹®±â¾÷ ÀÎÁõ
2005. 09  "±Ý»öÀ» À¯ÁöÇϴ Ȳµ¿ÇÕ±Ý ¹× ±× Á¦Á¶ ¹æ¹ý(Brass alloys which  malntain a golden color and manufacturing method thereof)"
ƯÇãÃëµæ
2005. 11  Á¦ 42ȸ ¹«¿ªÀÇ ³¯ "5õ¸¸ºÒ ¼öÃâž" ¼ö»ó