... -100mm 5width0.1-1.5M center dis:1.4-70 perforated metal :Materials: stainless steel mesh, aluminum, copper, steel ... plate, horn, speakers, mesh, filtering, and its shape stamping composition design, and can accomplish thickness in pore diameter, punching ... by plate, aluminum, copper, plastic, wood. Weave characteristics: stamping, According to the hole hole, rewards points: square hole, round ...