Composite Geomembrane, Filament Geotextiles, Waterproof Board manufacturer / supplier in China, offering Waterproof Material for Construction with Smooth HDPE Liner Sheet, Waterproof Material for Construction with Custom Length Options Geomembrane HDPE 0.5mm/1.0mm/1.2mm/1.5mm, High Polymer Waterproof Roll for Construction Applications and so on.