... Round hole perforated metal1,Feature:Perforated Metal with various designs with good permeability and decorative effects. Mainly ... special patterns according to customer needs.3,Material:Stainless Steel,Carbon Steel, Galvanized, Aluminium, Brass, Copper, Plywood,Fiberboard ... according your requirement.7,Used : widely used in filter, medicine, filtering, breeding, battery, mechanical protecting, making ...