증명서
API, Ce, KS, JIS, ISO9001
가공 서비스
용접, 펀칭, 절단, 벤딩, Decoiling
Certificate
UL Listed / FM Approved
Standard
ASTM A795, Type E, Grade B / UL 852
End
Plain / beveled / roll grooved/NPT thread/BSPT
Surface
FBE /polyester resin / hot dip galvanized /red paint / black paint