aluminum round hole perforated sheet thickness:0.2-10mm ISO factory and exporter Hole :0.8-10mm hole:round,square,slot key words:perforated metal mesh, perforated metal, perforated metal wire mesh, perforated mesh, perforated metal sheet, perforated metal piece ,perforated plates , pouching hole mesh, Perforated wire ,perforated metal product, punched metal sheetANPING JIASHENG METAL PRODUCTS CO ...