Mine Grid High Strength Fire Resistant,Antistatic Flexible,Lightweight Safety Support Relace Metal Mesh HockGrid® Mine Grid (Polyester Geogrid) ... weight, easy to transport and construct, which would enhance the safety of mining area.Technical Specification of HockGrid® Mine Grid ( ... ASTM,BBA,TBU,ITB,TRI,China,Australia,USA,Russia Mining Safety Test. Shandong Hock Mining Engineering Co.,Ltd Mine Grid, ...