... meet with all RAL BASE SUBSTRATEHot dip galvanized steel (HDGI),ZINCALUME STEEL COIL.GALVALUME STEEL,Cold rolled steel, Electrolytic Galvanized steelGRADESGCC,ENG10142, DX51D, ASTM A653,SECC,SEDCZINC ... TON per yearQUALITY QURANTEE10 YEARS OF OUTDOOR USING FOR PE prepainted galvanized steel coil,prepainted galvanized steel,ppgi