... :1.4-70 perforated metal :Materials: stainless steel mesh, aluminum, copper, steel board, PVC filmType: long, round hole hole ... nails, and other special hole hole and push.Classification: steel nets, micro hole boards, sound-absorbing board, punching, ... error, good quality. Material: low carbon steel, stainless steel by plate, aluminum, copper, plastic, wood. Weave characteristics: stamping, According ...