... 8mm-20mm Material:ss sheet,GI.High Quality Perforated Metal MeshMaterial of perforated metal mesh : stainless steel plate, low carbon steel ... , nickel plate and kinds of nonmetal plates.Hole of perforated metal mesh: round, length, square, scale hole, hexagonal hole, plum ... plate, copper plate, nickel plate as raw material, are: pass: Long hole, square hole, round hole, hexagonal hole, scale hole, ...