The video shows an 8m ultra-width HDPE polymer calendered geomembrane/waterproof membrane extrusion line. The production line is developed and manufactured by Jwell Machinery. The waterproof sheet production line has a compact structure, excellent performance, stable extrusion, high output and long service life. Compact structure, easy operation, can produce single-layer and multi-layer according to customer requirements. The waterproof board is widely used in tunnel drainage, foundation moisture-proof, roof leakage engineering and so on.