... 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 thickness0.02mm ... , etched ornament, etc.Application industry: in electronics, machinery, optical, oil, chemical, vehicle, artworks etc.Etching ...