Plastic Drainage with Textile Composite Membrane Production Machinery HDPE Drainage Panel Production Line is Junsheng's innovative machinery in China (patent protected). Under unique mechanics design, Junsheng machine has following advantages: - Convex wall thickness of the circular convex on the drainage panel is well-proportioned. Compression strength is 50% higher than similar product, which solves the problem. Power saving 30%. Higher output Same forming roller, with changing different dimples, different sizes will be got. With changing mould, round and square shape. Drainage board thickness range is 0.2-3mm, width up to 5000mm. Double color can be produced by another model machine.