PPGI 1.ISO 9001 2.ASTM A653, JIS G3302 SGCC/SGCH, GB/T 2518... 3.SS grade 33-80; SGCC, SGCH... 4.Z 30 -Z 275 PPGI 1. The detailed information of productsNAMEGALVANIZED GALVALUME/ALUZINCPPGI/PPGLCURROGATED STEEL SHEETSCOILD ROLLEDCERTIFICATEISO9001:2008STANDARDASTM A653, JIS G3302 SGCC/SGCH ,GB/T 2518, European standardASTM A792, JIS G3321 JIS G3317JIS G3312 GB/T 1275…… JIS G3141 SPCC, GB……GRADESS ...