... steel structure buildings, like warehouse, villas, plants, etc. Corrugated metal sheet, which is rolled from galvanized steel coil, is a key ... coil or Galvanized a) Light in weight: Color corrugated roofing sheet is more light than traditional tiles, like concret and ceramic ... tiles.b) High strength: The galvanized steel sheet is hard to be cut in piece and broken.c) Long lifespan: Color ...