... Accord with ISO9001:2000 5. Screen, filter, shield... punching hole wire meshThere are different material, mainly:steel liate, stainless steel ... to acid,alkali,abrasion,pressure and bending.The mesh surface is flat and artistic with high brightness. ... according to the requests of the customersFactors for quotation1) material2) metal thickness3) Hole shape4) Hole arrangement5) Hole size6) Pitch7) ...