... -like geogrid structure 3 flexible 4 geogrid extrusion line 5 highway,railway,high slope,greening geogrid extrusion line 1, It is ... and steady performance.2, It is used widely in water, highway, railway, mining, and architecture and so on.pp civil engineering ... geogrid extrusion line3, For example, strengthen the basic in highway and railway, building and protect the dam.4, With high ...