We only make high quality products and never cut corners on customers. The error of zinc layer is about plus or minus 5g. The zinc layer has uniform thickness and strong adhesion. No peeling and good corrosion resistance. The zinc layer has uniform thickness and strong adhesion. Processing and forming without peeling, corrosion resistance is very good, after 20 years without corrosion, the surface is very smooth and clean, zinc flower is symmetrical, beautiful.