... .material:aluminium iron sheet 3.function:filter,construction 4.professional factory,low price Expanded metal,Expanded Metal MeshThickness: 0.3 to ... holes of diamond shape, square, round, triangle, scale hole. 4.General Use:Used in agriculture, industry, fencing, outdoor furniture, speaker grills ... -311-86673909 Contact Person:Tony Cheng Expanded Metal Mesh (own factory production)