... Thickness:0.1mm-10mm 3) Aperture:0.3-10mm Round Perforated MetalWe are one of the manufacturers of perforated ... steel, plywood, hipboard, density board, plastic film, etc.Hole shapes:Round, rectangular, square, triangle, hexagonal, diamond, lightly pull scale, cross ... battery, filtering to engine oil and diesel, indoor and outdoor decoration, making the crafts, production of steel and wood furniture ...