... punched to precise specifications in different ranges of sizes and shapes. Material: Mild Steel, Stainless steel, Galvanized, ... Aluminum, Brass, Copper.Weave and feature: punching and etching , the thickness less than 0.5mm, ... Filters, Screens, Ventilators etc .And can also be utilized for the purpose of protection and decoration. High Quality and Low Price Perforated Metal