... stainless steel, Aluminum thickness:0.1-10mm perforated metal mesh:ISO 9001:2000meterial:carbon steel, stainless steel, ... area: 0.3%-63%Process: punchUse: Filter part, metal filter panelHole: round, square, diamondCharacter: winding-resisting, Ageing ... stainless steel, stainless steel, aluminum steel, plywood, hipboard, density board, plastic film, etc. Hole shapes:Round, rectangular, square, triangle ...