... service based on good quality! NAME Colour Galvalume Coil CERTIFICATEISO9001;2008base materialhot-dip galvanized steel coil;galvalume steel coil JIS G3302,JIS3312,ASTM, GB ... 508mmCoil Weight3-7MTAPPLICATIOconstruction ,roofing, commercial use, household appliance, industry, decoration...... Colour Galvalume Coil