Factory Price Waterproof HDPE Film Smooth/Textured Geomembrane Pond Liner Membrane for Agriculture Lanfill Dam Lake Road Mine Chemical Tank Water Reservoir US $0.53-1.86 / Square Meter Factory Price 0.2mm-m ASTM GM13 Anti-Seepage Waterproof Impermeable HDPE Geomembrane Pond Liner for Aquaculture/Dam/Landfill/Tunnel/Mining/Biogas/Fish Farm