... factory) galvanized perforated sheets Hole:round,triangle,square,long hole thickness: 0.2-12mm perforated hole mesh(factory)Marterial: stainless ... aluminum plater,copper plateHole:round,triangle,square,long hole,fish scale hole,thickness: 0.2-12mmwidth 0.1-1. ... >metal thickness3>hole shape4>hole arrangement5>hole size6>pitch7>margin8>dimensionAbout the sample:1,small samples are free,large samples need ...