Perforated Metal Sheet Materials:low carbon steel/ stainless steel/aluminum/Al-Mg alloy plate, etc Economical and anti-aging Detailed introduction to Perforated Metal Mesh: ... Hole: Long hole, square hole, round hole, hexagonal hole, scale hole, stretching shaped hole shaped hole punch and other stampings.Weave characteristics: stamping, outspread, Divided into: mesh, steel, aluminum, punching ...