... ISO9001:2008 Byname:sieving plate,the hole has round ,length,square,scale hole, hexagonal hole.Material: ... , round hole, square hole, triangle hole, scale hole, bridge hole, diamond hole, pentagonal holes, hexagonal holes, character holes, cross holes, nail holes, ... 23 other type perforated metal sheet for your reference:packaging: certification:name card: punched metal mesh with green PVC coated ...