... SGS&SONCA Detailed information :galvalume steel coil used for roofing sheet1.Entity Factory 2.Never ... 10 years export Product:aluzinc steel coil/galvalume steel coil for construction 1.standard:AISI,ASTM, ... BS,DIN,GB,JIS2.grade:dx51d3.thickness:0.135-3.0mm4.type:steel coil ... spangle,minimum spangle,regular spangle,big spangle11.coil weight:2-20 tons12.full hard: ...