... .,Ltd Mine Grid, Mining Grid, Mining Geogrid, Polyester Geogrid Manufacturers.Mine Grid 600kN/m for longwall recovery roof support system,have Russia ... and material waste kept to a minimum.Mine Grid Feature: 1. High tensile strength at low elongation 2. Low tendency to ... 800kN,1000-1000kN/m.Mine Grid Applications: Mine Grid for Long wall face recovery systems.Roof protection on the tunnels(together with ...