... zinc,Galvanized,Aluminum,Brass,Copper,Plywood,Fiberboard,Rubberboard,Woodboard,Pasteboard,Al-Mg.alloyplate,,Nickel-plate,Fiber.glass,PVC.plate ,Composites.SpecificationWe can manufacture ... tolerances on thickness, pitch, openings, flatness, and shearing for perforated products. You should specify a specific tolerance ,so ... not, we will according to standard tolerance. galvanized perforated wire mesh