... galvanized hole shape:diamond ,etc usage :used in filter element,machine ,etcExpanded metal: the meterials : stainless steel plate , aluminium ... plate ,Al-Mg alloy plateproducing method: made of metal plate by punching and pullingSpecifications: Thickness:0.3 ... ,galvanizing ,anodizing,painting,lacquering,plastic coatingusage : used in filter elements, medicine, paper-making, filtering, breeding, wire ...