In sectors such as photovoltaic mounting systems, high-end architectural roofing, industrial facilities, and automotive components, both aluminum-zinc coated steel coils and galvanized steel coils are widely utilized as high-performance materials. While seemingly similar, these two materials possess distinct characteristics regarding corrosion resistance, processing performance, and cost. Drawing upon years of experience in exporting new materials, Mingzhu New Materials (Shandong) Co., Ltd. provides a comprehensive analysis of the differences between the two, along with key considerations for material selection.