... 50A470,50A600,50A800,50A1000,50A1300Certificate:ISO9001:2008Packing:Standard export sea-worthy packing2.Oneding-SANZHOU We are also manufacturing Cold-rolled silicon ... -640mmGrade:50SZW700,50SZW800,50SZW1000,50SZW1300Certificate:ISO9001:2008Packing:Standard export sea-worthy packingOur plant Cold Rolled Steel Sheets