... About the Perforated Metal Mesh :1.Materials : stainless steel plate ,low carbon steel plate,galvanized sheet plate, cold-rolled coil, hot rolled coil ,aluminum copper ... perforated metal, micro hole mesh, perforated metal wire cutting, laser perforated metal, etc. 3.Hole Types : square hole, diamond hole, round hole, slotted holes, hexagonal hole, the hole, triangle hole, long waist hole ...