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 zinc flower category, it can be divided into flower galvanized and non-flower galvanized, mainly used in color coating/spraying substrate, square/elliptical air duct, solar support, distribution cabinet, ventilation pipe, floor bearing plate, is the best partner of prefabricated building & new infrastructure.