... Manufacturer for 10 years Perforated and punched sheet Black sheet ironIn our factory, Black sheet iron is made by high speed ... medical material, fine chemicals and oil, control noise in public.MaterialBlack sheet iron can be made of Stainless steel, Carbon steel ... , Galvanized steel, Aluminum, Brass, nickel sheets, ect.Available shapeBlack sheet iron can be Round, square, long round, triangle, scale, ...