rustless, self-cleaning, high-intensitive, maintenance-free, pollution-free, environmentally-safe burglar mesh 1.Material: Hot-dip Galvanized steel ,stainless steel ,aluminum alloy.2.Technology Procedure - Four layers surface coating treatment: 1. Hot-dip galvanizing: Extra protection against rust, corrosion; 2 Zinc phosphate: Promote the adhesion between the steel and coating film; 3. Zinc-rich ...