... Thickness:0.1mm-10mm 3) Aperture:0.3-10mm Punched Metal (factory) We are one of the manufacturers of perforated ... steel, stainless steel, aluminum steel, plywood, hipboard, density board, plastic film, etc.Hole shapes:Round, rectangular, square, triangle, hexagonal, diamond, ... . Specify the thickness of the sheet, length of perforated metal sheets, size and shape of the perforation patterns and other ...