GWANGMOO광무금속 since 1990 brass material
YOUNGWOONGSA영웅사 since 1990 press parts
SEONGHWASA성화사 since 2000 rass pipe
DAEDOO Co.대두기업 since 1985 Plastic hairs pin
SHINJINJUNGMIL신진정밀 since 1997 Decorative parts for leather
SEDONG INDUSTRY세동산업 since 2001 etching>epoxy>corrosion
YEONGSEOG CO. 영성상사 since 2002 press part product
TAEINSA태인사 since 1998 Wire-product , brass casting
YOOSEONGSA 유성사 since 2012 pipe working
DAEHANG METAL 대항금속 since 1991 rings>free rings>end cap>
