... and-pillar mining system, wire mesh or chain link material acts as roof and rib pillar support. However, ... heavy-loading material which is difficult to transport and construct, its ... requests) Elongation: 10% , 13% Width: 1-6m (can weaving width 15m-30m) Length: 50m,100m,200m,300m,360m ... Grid,Polyester Geogrid Manufacturers. Polyester Mine Grid for Roof of the Camera