Corrugated Pipes, Waterstops, Expansion Joints manufacturer / supplier in China, offering HDPE Rough Surface Geomembrane Enhances Friction, Customized for Slope Protection Engineering, HDPE Geomembrane for Water Conservancy Engineering, Geomembrane for Oxidation Pond Biogas Digester Landfill Site, PVC Composite Geomembrane Is Resistant to Freezing and Wear, and Is Preferred for Channel Anti-Seepage in Cold Regions and so on.