The production line is developed by assimilating the state-of-the-art technology. It is suitable for extruding of polyene materials of PE,PP,PB,PE-RT,ABS,PPR. The production line is of good exterior design, high automation, giving stable extruding production, famed as production line of performances of European lines at Chinese prices. The company also offers lines large-caliber pipes of multiple layers, which are best substitutes of imported lines. To meet market demand, the company has developed a line capable of extruding pipes of ∮1200 mm at maximum. The pipes this large are often used as HDPE water supply pipes, natural gas supply pipes, in coal mines and other trenchless fields. In addition, the line can produce thin-wall pipes for irrigation and cable gland.