material: HDPE, plastic width: <2.5m length:50m-100m certificate: ISO9000 The single-directional draw and extend plastics geogrid is a kind of high synthetic gecmaterical , which is widely used to dam , cavity, high-way, construction and so on. The main function as follows:1. reinforce the base , efficiently allot and diffuse the pressure , prolong the using time;2. increase the load-bearing ...