Galvanized steel plate is to prevent surface from corrosion and prolong the service life of the steel surfaces, coated with a layer of metal .zinc the king of zinc coated thin plate called galvanized sheet..

Hot-dip galvanized is hot – rolled steel coils, or cold-rolled steel as a substrate, after a continuous hot-dip galvanized process and then produced. The cross-section to a rectangular plate which for supply is hot dip galvanized sheet; by the take –up in order to supply hot roll galvanized volumes. Therefore, hot-dip galvanizing can be classified into hot-rolled coils galvanized coils and cold rolled coils, which are mainly used in construction, housed hold appliances, automobiles, container, transport and family business and other fields, in particular, steel construction, automobile manufacturing, steel silo manufacturing and other industries.