... 1.ISO 9001 2.ASTM A653, JIS G3302 SGCC/SGCH, GB/T 2518... 3.SS grade 33-80 ... GALVALUME/ALUZINCPPGI/PPGL PICTURE CERTIFICATEISO9001:2008STANDARDASTM A653, JIS G3302 SGCC/SGCH ,GB/T 2518, European standardASTM A792, JIS ... ; SGCC, SGCH, SGCD1-SGCD3, SGC340-SGC570, SGCC, DX51D….Grade 33-grade 80.;SGLCC SGLCD SGLCDD SGLC400-SGLC570;SZACC, SZACH, SZAC340R,….CGCC, CGCH ,CGC340-CGC570, CGCD1-CGCD3; ...