Galvanized plate is to prevent the metal surface from being corroded, in order to extend its life, a layer of metal zinc is plated on the metal surface, this steel plate is called galvanized plate. Galvanizing is an economical and effective anticorrosion method that is often used, and about half of the world's zinc production is used in this process. Can be divided into non-alloy hot dip galvanized steel strip and alloyed hot dip galvanized steel strip two materials