Aluminium Diamond Grille， 7mm diamond security grille,aluminium grill mesh factory . ------Hebei general metal netting Co.,ltd 1.material:Aluminium Alloy 6063 2.thickness:5mm,6mm，7mm,7.5mm,etc. 3.width:0.5--1.2m 4.length:0.5--5.0m 5.aperture: 50x50mm,52x55mm,68x 83mm, 67mmx84mm, 60 x 60mm,70 x 70mm, 126 x 165mm,35x 35mm,32x 32mm etc. 6.panel size : 750 x 2450mm 750 x 2050mm 750 x 3050mm 750 x 6150mm 835 x 2050mm 835 x 6000mm 920 x 2450mm 920 x 2050mm 920 x 3050mm 920 x 6000mm