... , Mining Geogrid, Polyester Geogrid Manufacturers.Mine Grid 600kN/m for longwall recovery roof support system,got Russia,USA, ... of between 20 kN/m and 800 kN/m. Ultimate strengths over 1000 kN/m can be supplied for ... of 3.00 and 5.10 m and roll lengths of 100-300 m so that overlapping can be reduced ... ,600-400kN,600-600kN,800-800kN,1000-1000kN/m.All Products can design to product and customized. ...