Galvalume steel strip has a gorgeous silver-white surface and is composed of an aluminum-zinc alloy structure, which is solidified at 600°C by 55% aluminum, 43.4% zinc and 1.6% silicon. It is an important alloy material often used in our daily life. Galvalume steel strips have excellent adhesion to paint and can be painted without pre-treatment and weathering. And it has many excellent properties: strong corrosion resistance, 3 times that of pure galvanized strip steel. The surface has beautiful zinc flowers and can be used as exterior wall panels of buildings.