... Detailed information :galvalume steel coil used for roofing sheet:1.Entity Factory 2.Never failed in SGS ... 0.135-3.0mmtype:steel coil/sheet/stripsurface treatment:aluzinc coatedapplication:roofing sheet,construction,sandwich panel,metal wall ... door, rainwater drainage pipe, retailer booth InsideDoor, doorcase, light steel roof structure, folding screen, elevator, stairway, vent gutterELECTRICAL ...