... hot-dipped galvanized or PVC coated,etc. Welded Gabion Box 1.ISO9001:2008 2.BS1052:1986 3.electric ... wire,galfan,St.St.wire 4.wire dia.2-5MMWelded Gabion Mesh Specification:1.50x50mm, 75x75mm, 50x100mm, 100x100mm 2.Aperture ... 4x4x1M, 4x4x0.5M, etc5.mainly usage:Retaining wall structuresRiver and canal training worksErosion and scour protection; Roadway protection; Bridge protectionHydraulic structures ...