we are manufacturers; POLYETHYLENE GEOMEMBRANES (HDPE Flat Geomembrane, Single End Coarse HDPE Geomembrane (we are the only manufacturer of it), Plastic Water Stoppers, PVC GEOMEMBRANES (PVC Flat Type and Signal Layer, UV Resistant PVC Geomembranes) Resistant to bacteria (polyvinyl chloride) TPO GEOMEMBRANES, in addition to the water-repellent adhesive in addition to the drain board. Contact us directly without intermediaries.