GL gabion 1.ISO9001;SGS certificate 2.material:hot GL,pvc coated,galfan wire 3.wire dia:2--4.5mm 4.mesh opening:6x8;8x10... hot-dipped galvanized gabion Gabion box/ hexagonal wire netting is made of low carbon Iron Wire, the mesh is firm in structure and has flat surface.Material:High quality low carbon steel wire, stainless steel wire.Weaving:Straight twist, reverse twist, double-direction twist ...