... advanced machine,professional product line 2,Competitive price and best quality 3,25.4*25.4mm 12.7*12.7mm ... surface bearing stress, the extension road surface service life, the high tensile strength low elongation ratio, not long-term slow change, the ... , restrains sedimentation effectively, distributes stress uniformly and improves overall strength of road base.5,It is used for preventing contraction ...