... , Mining Grid, Mining Geogrid, Polyester Geogrid Manufacturers.Mine Grid 600kN/m for longwall recovery roof support system,got Russia,USA,Australia ... in widths of 3.00 and 5.10 m and roll lengths of 100-300 m so that overlapping can be reduced and ... in transport and installationMine Grid Specifications:60-60kN,80-80kN,100-80kN,120-120kN,200-200kN,400-400kN,600-400kN,600 ...