... restraining reflection caused by block contraction.3,It is uesd in road expansion and improvement project and prevents crack caused ... new combination position and unven sedimentation.4,It is used in soft soil base reinforcement treatment, is favorable favorable for ... 61—61—6 ISO9001, ISO14001, OHSAS18001 and CE approved Geogrid of fiberglass with EGA25kn-200kn/m, good anti-corrosive, CE,ISO approved