Galvanized steel coils : steel coil, steel sheets/ plates, corrugated steel sheets/plates hot rolled-cold rolled-galvanized 1.Galvanized steel coilsCERTIFICATEGalvanized steel coils : ISO9001:2008STANDARDGalvanized steel coils : ASTM A653, JIS G3302 SGCC/SGCH ,GB/T 2518, European standardGRADEGalvanized steel coils : SS grade 33-80; SGCC, SGCH, SGCD1-SGCD3, SGC340-SGC570, SGCC, DX51D….MODEL NO. ...