Round Perforated Metal hole:round hole Quality Certification:ISO9000 width:0.5m-3m, audited supplier length:1m-5m perforated metal meshMaterail:stainless steel board, aluminum board, cold and hot steel board,copperplate and fiberboard, plastic board and so on.Uses:be used to civil construction, mechanical device protection, handicraft manufacture, upscale sound heartcover,grain ventilates.It also ...