... 70% 3.width:0.5m-3m 4.shape:Round, Square Galvanized Iron Perforated Metal Screen Punch Metal /Punched Metal/perforated metalMaterialCarbon steel, Aluminum, Brass, Copper.FinishPowder coated ... Plate, etc.· Hole shape: Long hole, square hole, round hole, hexagonal hole, scale hole, stretching and other special-shaped hole.· Hole style: circular hole, hexagonal hole, fish scale hole, etc. Production ...