... Process: chemical etching. Material: any sheet material or belt materials such as stainless steel, brass, steel, iron, nickel, alloy etc. Specifications ... : ItemDescriptionMaterialany sheet material or belt materials such as stainless steel, brass, steel, iron, nickel, alloy etcMaterial thickness0 ... me: Emily XIAO, 0086—13722444928. stainless steel sheets as filter