Standard:ANSI/TIA-222-G-2005
Certification:ISO9001:2008 SGS COC
Galvanizing standard:ASTM A123/ ISO 1461
Material:Hot roll Steel Q235,345,ASTM A36 A572 Gr50 or customized
Certification:ISO9001:2008 SGS COC
Galvanizing standard:ASTM A123/ ISO 1461
Standard:ANSI/TIA-222-G-2005
Material:Steel
Certification:ISO9001:2008 SGS COC