Cov hlau thiab yas grating yog hu ua steel-yas composite geogrilles, yog siab zog steel hlau (los yog lwm yam fiber ntau), tom qab kev kho tshwj xeeb, nrog polyethylene (PE), thiab ntxiv lwm yam additives, los ntawm extrusion los ua ib tug composite siab tensile sawb. , nrog ntxhib compression, tseem hu ua siab zog reinforced geostrip.