... carbon steel, s.s plate, copper plate,ec galvanized perforated mesh sheet1.Galvanized Perforated Mesh Sheet 2.Material: low-carbon steel, s.s ... of nonmetal plates. Hole of perforated metal mesh: round, length, square, scale hole, hexagonal hole, plum blossom and so on. ... material, are: pass: Long hole, square hole, round hole, hexagonal hole, scale hole, stretching and other special-shaped hole size ...