... /ALUZINCPPGI/PPGLCURROGATED STEEL SHEETSCOILD ROLLEDCERTIFICATEISO9001,TUVSTANDARDASTM A653, JIS G3302 SGCC/SGCH ,GB/T 2518, European standardASTM A792, JIS G3321 JIS G3317JIS ... 1275…… JIS G3141 SPCC, GB……GRADESS grade 33-80 ; SGCC, SGCH, SGCD1-SGCD3, SGC340-SGC570, SGCC, DX51D….Grade 33-grade 80 ...