1.perforated metal 2.meterial:low carbon steel board 3.feature:the surface is flat ... other special patterns according to customer needs.3,Material:Stainless Steel,Carbon Steel, Galvanized, Aluminium, Brass, Copper, Plywood,Fiberboard,Rubberboard ... special specification according your requirement.7,Used : widely used in filter, medicine, filtering, breeding, battery, mechanical protecting, making the ...