Hot dip galvanized steel plate is a kind of steel, which belongs to galvanized steel. The manufacturing process is to make steel and molten zinc react to produce an alloy. Rust proof, corrosion proof, strong weather resistance. Corrosion resistance is very good, the general environmental corrosion prevention effect can reach 30~50 years, beautiful appearance and easy processing. According to the type of zinc flower, it can be divided into galvanized with flower and galvanized without flower. Non-flower building materials galvanized, with high strength, super corrosion resistance, antibacterial environmental protection and other advantages.